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C_sharp : Basically I 'm doing is converting from Exception to GenericFaultException class ( The below code snippet uses C # as a language.See the below details I have created a faultExceptionObject using the below line of codeI have a Error handling layer which do not have any idea about ValidationFault class , only i... | Generic conversion |
C_sharp : I am using windows forms.My C # application contains 100 user controls . I show/hide one of those 100 user controls at a time when I need to and hide the rest . Each one of those user controls has 30 buttons and I subscribe to button event as following in the constructor : So when I run the Application all th... | Do I have to unsubscribe from button events after using it in c # ? |
C_sharp : I have just posted an answer to this question but I 'm not entirely convinced of my answer.There are two things I 'm wondering , consider this code : According to C # Specification 5.0 , there are two different kinds of conversion of as operator . If the compile-time type of E is not dynamic , the operation E... | How is `` as '' operator translated when the right-side operand is generic ? |
C_sharp : In a recent question of mine I learned that if there are more than one extension methods with constraints that match the given type , the most specific one will be chosen . This got me thinking - how does the compiler determine which one is `` more specific '' ? And what will the outcome be ? Let 's say I hav... | Generic extension methods in C # : what will happen in this edge case ? |
C_sharp : I am trying to filter the results from an explicit load in EntityFramework.The explicit loading works when I do not apply any filter but it does not load results once the filter is applied.ClassesFluent API MappingUsageThis works and populates the student.Grades property.The SQL that is generated looks like t... | Explicit Loading N : M with Filtering |
C_sharp : In olden days , you often had a data module that was `` low level '' , did not depend on any other modules , but could be referenced by them , for example to get enums that were used throughout the system.Now we have object oriented interfaces between modules , with calls and events . My question is , should ... | Re-defining the same enum on every object oriented interface in C # |
C_sharp : I am new to c # . I have text file with data in it but I want to read particular block line data.Here address can occur multiple times in text file . but i want to capture within thisI want to capture this ip from the block : I tried this code : Expected Output : my expected output is to capture the ip addres... | Fetch particular string from particular block |
C_sharp : SAMPLE CODE : VS : Why is it that I always see people creating assigning PropertyChanged to a `` handler '' instead of just using it ? <code> public event PropertyChangedEventHandler PropertyChanged ; private void OnPropertyChanged ( String propertyName ) { PropertyChangedEventHandler handler = PropertyChange... | Events - Handler vs direct access ? Why ? |
C_sharp : So I have this code here : What is the best method for me to call the Calculate ( n , time ) function for multiple n values ( given one after the other ) , but the same time . I already thought of using an array to store multiple n values , but is there a better option.Also I would like to pass multiple n 's ... | C # Calling a function with multiple values |
C_sharp : I have a string array . What is the simplest way to check if all the elements of the array are numbers <code> string [ ] str = new string [ ] { `` 23 '' , `` 25 '' , `` Ho '' } ; | Easiest way to check numbers |
C_sharp : I 'm running into a generics issue while working on a generic Dependency Injection handler ( a base Service Locator ) .Edit 1 ( for clarity ) Okay so I 'm actually using SimpleInjector as a DI resolver and it has the class constraint on it 's GetInstance method , so here is some more complete code : Edit 2 - ... | How can you cast T to a class to match a `` where T : class '' constraint ? |
C_sharp : I have the following code for a compiled Linq2sql query to count rows in a table . The query throws an exception despite the same uncompiled query running smoothly : ServiceCustomContext inherits from DataContext and has only ( besides a constructor ) Tables including a table named Current used in the example... | Compiled query fails - Query was compiled for a different mapping source than the one associated with the specified DataContext |
C_sharp : The root of my question is that the C # compiler is too smart . It detects a path via which an object could be undefined , so demands that I fill it . In the code , I look at the tables in a DataSet to see if there is one that I want . If not , I create a new one . I know that dtOut will always be assigned a ... | How to avoid creating unneeded object in an elegant way ? |
C_sharp : I need to perform a check based on a string value whether its a date or decimal but date parse always return true for decimal.It returns a valid date 3/5/2019.How to validate string to know its a valid date when date format is not known ? <code> string val = `` 3.5 '' ; DateTime oDate = DateTime.Parse ( val )... | Decimal values recognized as DateTime instead of returning false from DateTime.Parse |
C_sharp : I have a grid which , when hovered over with the mouse , makes one of its child elements come to life ( opacity from 0 to 1 ) but that grid also can be disposed of ( that grid is part of a listbox that can be remove via a close button on the grid ) .When the user clicks the remove button it also launches the ... | Block MouseLeave trigger if object is disposed of |
C_sharp : I can not understand why the code below compiles.At the compile time it is obvious that ( s+1 ) is not a Int16 anymore as we know the value of s.And CLR allows casting to : To its own typeOr any of the base-types ( because it is safe ) As Int32 is not Int16 and Int16 is not base type of Int32.Question : So wh... | Why does C # compiler does not complain with Overflow for this obvious 'bad ' casting ? |
C_sharp : Reading the Jon Skeet book , I have found ( some time now ) the use of the `` Named arguments '' in the function call . Here is a fast and easy example : After using it and later see the compiled code I see that the use of this name actually create variables before the call of the function . And this is the c... | Why the use of name arguments in a function actually generate more code ? |
C_sharp : I 'm running CultureInfo 1031 ( german ) . IndexOf matches 'straße ' or 'strasse ' with defined 'strasse ' and returns 18 as position . Neither Remove nor Replace got any overload for setting a culture.If I remove 6 chars using Remove 1 character will be left if input-string is 'strasse ' and 'straße ' will w... | ArgumentOutOfRangeException using IndexOf with CultureInfo 1031 |
C_sharp : Am stuck with small problem.I want to add multiple setConditions for the same Name that is for PublicationTarget . This is using interops dll.For this PublicationTarget , I want to filter with staging & live target and I tried all the ways but no use.Please suggest,1 . Passing xis possible , what is the best ... | Tridion 2009 - Using Interops - Is there a possibility to add multiple setConditions for the same Name |
C_sharp : FSharp code is structured as following ( I 'm not in control of the source ) .C # calling code is as follows <code> namespace FS [ < AbstractClass ; Sealed > ] type TestType ( ) = static member IrrelevantFunction ( ) = 0 [ < AutoOpen > ] module Extensions = type TestType with //How do we call this from C # st... | How to call F # type extensions ( static member functions ) from C # |
C_sharp : I 'm converting some application code to use NodaTime classes instead of System.DateTime . Part of my application uses the PropertyGrid control to allow a user to edit a class containing both a LocalDate and an Instant . Without changing anything , the PropertyGrid displays the properties okay , but they are ... | How do you use NodaTime Classes in a PropertyGrid ? |
C_sharp : I 'm looking at the MSDN docs about List.GetEnumerator.They say the C # method signature is : I was expecting this much simpler signature : What does their signature mean , with all the punctuation and the `` Of '' keyword ? Edit : Well , I guess if no one has seen that syntax , then the MSDN docs are just a ... | public List < ( Of < ( < 'T > ) > ) > .. : :..Enumerator ? |
C_sharp : I am either going crazy or missing something entirely here . I have a time entry I am trying to submit with a `` TimeWorked '' attribute whose data type in the SQL server is decimal ( 4,2 ) .When I try to add a time entry with 10.00 as the value for TimeWorked , I get the following error.ErrorCode To InsertDa... | Argument out of range exception for decimal SQL Server EF C # |
C_sharp : I 'm trying to work with the optgroup dropdown helper from Serge Zab that can be found here.This is my category table : As you can see I have a category and a category can also be categoryparent from a category . I want to have the parentcategorys as optgroup and the children as options of the optgroup . ( On... | Error using Serge Zab 's helper for optgroup dropdowns |
C_sharp : I have a hypothetical question about the efficiency consequences of using exception handling in situations where no exceptions are thrown . First take a look at this C # : I am confident that Dave 's code will be the fastest/most efficient ; while Simon will incur a large penalty for throwing an exception.But... | Exception efficiency when nothing is thrown |
C_sharp : In case the title is not completely self-explanatory , here 's the code that puzzles me : I 'm suprised this compiles with no error . It feels like I 'm exposing a private type . Should n't this be illegal ? Maybe your answers will simply be `` There 's no rule against that , so why would n't it be OK ? '' Pe... | Why is it not `` inconsistent accessibility '' to use a private nested type inside a generic type in the interface list ? |
C_sharp : I am working on a project where the game world is irregularly shaped ( Think of the shape of a lake ) . this shape has a grid with coordinates placed over it . The game world is only on the inside of the shape . ( Once again , think Lake ) How can I efficiently represent the game world ? I know that many worl... | Representing a Gameworld that is Irregularly shaped |
C_sharp : I am facing a problem with UpdateSourceTrigger property . I have a UserControl named LabelWithTextBox , where UpdateSourceTrigger ( On Text Property ) is not defined ( therefore has default value ) . This should stay like this because of performance ( Text should update when Focus is out of the TextBox ) .But... | How to hand over the value of UpdateSourceTrigger to UserControl or update it at runtime ? |
C_sharp : Looking for a some help with Ef Core and Linq.Lets say I 'm making big request to receive all support tickets with info about product , company , and so on . It 's quite simple , just joining things : However I have issues with last 4 joins . In project I 'm using Ef Core . That is how I made it ( partially )... | How to map complex linq to object |
C_sharp : Why the Linq expression IL results in omission of the Select projection whereas the corresponding method expression keeps the Select projection ? I suppose these two pieces of code does the same.Then why the difference in IL ? EDITED : then why result in SELECT projection even inside IL . it can also be omitt... | Differences in LINQ vs Method expression |
C_sharp : I want to understand how chain query is processed . For example , let us consider the following querywhere e.g . numbers= { -1 , 4 , 9 } .Is this what happends behind the scene:1 . Getting all enumerators ( forward pass ) numbers calls GetEnumerator ( ) which returns ( let us denote it with ) IEnum0 instanceI... | Linq : Order of execution chain query |
C_sharp : This is not really a question , but an answer which would hopefully help other people.Those who 've written a windows service before , know what a mission it could be to find a bug in it , particularly if it only happens on the live environment . In my case , I had a service that ran smoothly for a couple of ... | Debugging Stack overflow errors on background services |
C_sharp : Is there any downside to a class like : If I always want to set this value is there any downside to Example1 ? UPDATE : Session [ `` user '' ] is set in the Global.asax Session_Start . So if this fails . Nothing should work anyways . <code> class Example1 { protected string UserId = ( string ) Session [ `` us... | C # - Downside to Setting Initial Value in Declaration |
C_sharp : http : //msdn.microsoft.com/en-us/library/1x308yk8.aspxThis allows me to do this : Rather than : Seems unusual , so I looked at the reflection : Three things struck me : Why does it bother to do the limit check only on the upper bound ? Throwing an ArgumentOutOfRangeException , while index below 0 would give ... | Why does every Char static `` Is ... '' have a string overload , e.g . IsWhiteSpace ( string , Int32 ) ? |
C_sharp : I have created the following to expose some data as a regex match string as well as a StringDictionary . It feels like I could do this using LINQ with fewer lines . <code> private const string STREETTYPES = @ '' ALY|Alley|AVE|Avenue|BLVD|Boulevard|CIR|Circle|CT|Court|CTR|Center|DR|Drive|EXPY|Expressway|FWY|Fr... | Looking for a slicker way to convert delimited string to StringDictionary |
C_sharp : I have a command as below . I find if I use a file pattern of *.csv it also picks up items with a .csvx extension . Maybe it 's a throwback to the 8.3 filename days - anyone know a way that would return them properly , preferably without rolling our own ? <code> files = ( from file in Directory.EnumerateFiles... | .Net file pattern picks up unwanted files ( C # ) |
C_sharp : Possible Duplicate : Can I customize automatic event handler generation in Visual Studio ? Can I configure VS2010 Intellisense so that it does this : instead of this : when adding an EventHandler via += and pressing the Shift key ? I understand that this does n't make any difference as far as the generated IL... | Configure VS 2010 so that it does n't add new EventHandler ( ... ) ; when adding an EventHandler via += |
C_sharp : I asked this question . This code does n't compile ( `` Can not convert Generic < T > to T '' ) because of the reason explained here ( even if I 'd expect an InvalidCastException at run-time instead of a compile-time error ) .Accepted solution gave this workaround : My question is : why ? as operator should b... | Unexpected behavior of `` as '' operator , it differs from plain cast |
C_sharp : I 've recently started a project that involves using data from a London Ungerground dataset , in order to find routes that are n amount of minutes from a given station . So far I have been able to parse in the data from the dataset , and create possible routes between each station . I have now a list of route... | How do I do list traversal ? |
C_sharp : I am not able to figure out the Valid points which can justify that I broke encapsulation or may be otherwise . As per my understanding I am breaking encapsulation as a private method is getting called from another class , Is this enough for justifying that I broke on the laws of OOP . Need to gather some mor... | Did I break Encapsulation ? |
C_sharp : I have an array of PropertyInfo representing the properties in a class . Some of these properties are of type ICollection < T > , but T varies across the properties - I have some ICollection < string > , some ICollection < int > , etc.I can easily identify which of the properties are of type ICollection < > b... | How can I find the type of T in a c # Generic collection of T when all I know is the type of the collection ? |
C_sharp : I have a datatable with the following information : I only need to remove the next matched items , like this : I tried : Result : Any ideas ? <code> 365.00370.00369.59365.00365.00 - > match with previous item365.00 - > match with previous item 365.00370.00369.59365.00 ( from articlespricehistory in dt.AsEnume... | Linq Distinct only in next rows match |
C_sharp : Consider the following code : What does this accomplish that having the public members alone would not ? <code> private string _text = null ; private string [ ] _values = null ; public string Text { get { return _text ; } } public string [ ] Values { get { return _values ; } } | What is the purpose of this approach to access modifiers ? |
C_sharp : I Created a Listview with some items.When I click at one , I 'm navigating to new page.When I press back , l 'm going back to the old page ( Main menu page - > item page - > backing to main menu by Frame.GoBack ( ) ) andI see all last clicked items are having gray background.I tried to set background to trans... | How to remove broken background of ListViewItem In UWP ? |
C_sharp : I have been reading some C # interview questions and found a permutation of a popular one about delegates the code of which puzzles me.The question was : Predict the output of the code below.The normal version of this question I 've seen declares the i variable before the for loop , thus making it method-wide... | Why is this for iteration variable still around after the for loop ? |
C_sharp : Some iterators are faster . I found this out because I heard from Bob Tabor on Channel 9 to never copy and paste.I was in the habit of doing something like this to set array values : This is a simplified example , but in order to not copy and paste , or not type things out again , I suppose I should use a loo... | Why are some iterators faster than others in C # ? |
C_sharp : The following snippet evaluates to zero : Whereas , if you do this : The result is ( would you even guess this ? ) int.MinValue . That fact alone is weird enough [ see below ] , but I was under the impression that unchecked was meant to force the compiler into emitting code that pretends not to know that a co... | Weird result from unchecked ( ) , possible compiler bug ? |
C_sharp : I am currently trying to implement history tracking on all of my tables in my app in a generic way by overriding the SaveChanges method and making use of reflection . As a simple case , let 's say I have 2 classes/dbsets for my domain objects and a history table for each like the following : The CatHistory cl... | Implementing history tracking in SaveChanges override |
C_sharp : There are a few other questions concerning this on SO , but I felt none of them really provided a solid answer.I 'm messing around with reflection a lot lately , and I wanted to check for types contained within a few assemblies that implement a certain interface.So I have a class called BESCollector that impl... | Why are my types not marked as equal ? |
C_sharp : It seems like .NET goes out of its way to make strings that are equal by value equal by reference.In LINQPad , I tried the following , hoping it 'd bypass interning string constants : but that returns true . However , I want to create a string that 's reliably distinguishable from any other string object . ( ... | Is it possible to create a string that 's not reference-equal to any other string ? |
C_sharp : I have a text file and I am reading it line by line.I want to split a single line with ' , '.But I want the commas which are inside quotes `` '' to be skipped.I have tried following regex and it is not working correctly.How to do it.The contents of file areThe regex is as followsThis regex is outputting the f... | Regex split while reading from file |
C_sharp : A bit of domain knowledgeI 'm writing a POS ( Point Of Sales ) software which allows to pay goods or to refund them.When paying or refunding , one need to specify which money transfer mean to use : cash , EFT ( ~=credit card ) , loyalty card , voucher , etc.These money transfer means are a finite and known se... | Mapping the same entity to different tables |
C_sharp : In C++ , ' > > ' and ' < < ' are used for cascading during performing the Input/Output Operations.Is there any way in which such things can be done in C # ? Till now , I know that I can take one input at a time and assign it to a variable , for eg , in the following code snippet : whereas in C++ , the same th... | I/O Cascading in c # |
C_sharp : When I decompile String.IndexOf ( String ) method , I see this ; In the second parameter definition : if string.LegacyMode is true , StringComparison.Ordinal is evaluated.if string.LegacyMode is false , StringComparison.CurrentCulture is evaluated.But what does String.LegacyMode exactly mean ? When I decompil... | What is String.LegacyMode property for exactly ? |
C_sharp : This is something I have n't ever noticed before , but recently ran into . When I encountered this situation , I was surprised at what the compiler considered was correct , and what it forced me to do . I think it is easiest described through example.Let 's say we have a generic base class with a single metho... | Why is my subclass still generic when I supply a type argument to the base class ? |
C_sharp : I just wrote this code : It seems very repetitive . Is there a way to generalize this ? So I do n't have to have 4 lines that are the same except a different sign ? ( Note : if there is a better way that does not use the OperationEnum that is great ) <code> private double PerformOperation ( OperationEnum oper... | Can operations be generalized ? |
C_sharp : I have a user control that hosts other controls . The way I implemented this is via data templates that define the control that should be associated with a specific view-model . These view-models have similar properties and interaction triggers . Please see XAML snippet below.The problem with this approach is... | Is there anyway of consolidating similar data bindings and/or triggers in XAML ? |
C_sharp : First I give a simple example where I know the answer . Consider : and then somewhere the code : We see that am and gm are not considered equal , which is entirely fair ( the latter is an override of the former ) . However , with the last line we can determine that these two methods are related ; one is a `` ... | Determine if two MethodInfo instances represent the same ( non-virtual ) method through inheritance |
C_sharp : If I convert single s into decimal d I 've noticed it 's bit representation differs from that of the decimal created directly.For example : Returns ( middle elements removed for brevity ) : Both of these are decimal numbers , which both ( appear ) to be accurately representing 0.01 : Looking at the spec sheds... | Explicit conversion from Single to Decimal results in different bit representation |
C_sharp : Now filed on Microsoft Connect ; please upvote if you feel it needs fixing . I 've also simplified the test case a lot : Looking at the IL , as far as I can tell , the C # compiler did everything right , and the bug lies in the JITter.Original question : What is going on here ? This test requires a 64-bit OS ... | Why does this addition of byte* and uint fail to carry into the higher dword ? |
C_sharp : I want to perform data-binding to Room.ToNorth.ImageName while ToNorth may be null.I 'm trying to write my own text adventure and have images next to each of the directions a player can go ( ie . open/closed door , pathway ) . When there is n't a room in a given direction I have the controls bound to show a '... | Data binding to a nested property with possibly null parent |
C_sharp : Occasionally I find I need to process a list by inserting a new item after each item , except the last one . Similar to how you might put a comma between each item of a list of strings.I got fed up of coding the special case for the last ( or first ) item every time , so I captured the pattern in a Linq-style... | In functional list manipulation , what do we call `` inserting something between each item '' ? |
C_sharp : Why does taking the address of a variable eliminate the `` Use of unassigned local variable '' error ? ( Why can we take the address without initialization in the first place ? ) <code> static unsafe void Main ( ) { int x ; int* p = & x ; //No error ? ! x += 2 ; //No error ? ! } | No `` Unassigned Local Variable '' error ? |
C_sharp : I get a list of projects using following : Refer following link for more details.But it gives me each and every item in the solution like Directories , projects , etc.I require only projects.How can I get only projects from the solution ? <code> var solution = ( IVsSolution ) Microsoft.VisualStudio.Shell.Pack... | How can I get only projects from the solution ? |
C_sharp : I 'm writing a small game in C # using Test Driven Development approach . I 'm facing a problem : I have a class CheckersBoard : And a class BoardGenerator : BoardGenerator allows me to initialize CheckersBoard in a very readable way . So , I really would like to use BoardGenerator in my unit tests to avoid u... | How can I keep my unit tests independent of each other in this simple case ? |
C_sharp : Possible Duplicate : Nested using statements in C # I 'm a big fan of the using statement in C # . I find this : ... very much more readable than this : Not only is it more readable , it also prevents accidental use of the foo variable after the using statement ( i.e . after it has been disposed ) , whereas i... | Is it OK to use ` using ` like this ? |
C_sharp : In a WCF client application , there are a number of parameterless methods for which we 'd like to cache the results - GetAllFoo ( ) , GetAllBar ( ) . These are used to populate dropdowns and the like , and the results do n't change during the running life of the client.These results are currently being cached... | Is it safe to cache the results of a parameterless method using the method 's MethodHandle as a key ? |
C_sharp : I need to generate this simple looking XML , looking for a clean way to generate it . <code> < order > < user > 2343 > < /user > < creditcardtype > 2333 > < /creditcarttype > < country > USA < /country > < orderDetails > < amount > 23434 < /amount > < shipping > 32 < /shipping > < /orderDetails > < /order > | How would you build this xml in c # |
C_sharp : I am using a basic State Management system found here : ( code below ) https : //github.com/xDelivered-Patrick/Xamarin.Forms.Essentials/blob/master/Essentials/Controls/State/StateContainer.csWhen implementing , my XAML View looks like the below.The problem is the StackLayout CenterAndExpand is not working . A... | Xamarin Forms State Container View not Respecting Layout Options |
C_sharp : I have two classes A & B , where B is derived from A . Both the classes have a method with same signature . They are called in the following manner in Java & c # -- > In case of JAVA : This program generates the following output : -In case of C # : This program generates the following output : -Why does the o... | Why this difference of handling method ambiguity in Java & c # ? |
C_sharp : I want to check if any of the items in a list has a field set to trueat the moment I do this : How can I do this using Linq might be trivial to some but ca n't figure if now . <code> bool isPaid = visit.Referrals.Exists ( delegate ( AReferral r ) { return r.IsPaidVisit ; } ) ; | Do List.Exist using Linq |
C_sharp : I have a Silverlight app with several graphs and a date control on the top which allows the user to set the date range ( e.g . July 1 - Sep 30 ) . Basically , when a user modifies the date range , a command is executed which sets the ViewModel 's DateRange property to the new value . The DateRange 's setter c... | How to defer data querying in Silverlight ViewModel class ? |
C_sharp : This might be really simple but i have a service that returns a string that has a number preceded with zeros . The count of zeros is not predictable but i need to extract the number out of the value . The length of the value is also not constant . For ex . 00001234 , 002345667 , 0000000 , 011 , 00000987 - in ... | extracting integer from string |
C_sharp : After considerable measurement , I have identified a hotspot in one of our windows services that I 'd like to optimize . We are processing strings that may have multiple consecutive spaces in it , and we 'd like to reduce to only single spaces . We use a static compiled regex for this task : and then use it a... | How to outperform this regex replacement ? |
C_sharp : We have a lot CanExecute tests for a various commands in our project.All tests passed properly when we use Visual Studio testing or AxoCover.We tried to add some previous object initialization , before executing 'CanExecute ' and sometimes it worked ( or we thought that ) .I have a test : Sometimes ( NOT ALWA... | Jenkins failed unit CanExecute test 's methods nondeterministic |
C_sharp : Lets say a FIFO ( one which is thread safe ) has items being added to it ( we dont care how ) Now lets say the items ( one by one ) should be inserted to another concurrent collection .The rate of data insertion is dynamic.I want to do it in the fastest way . ( transfer all the elements from the Fifo to the c... | To MultiThread or not to MultiThread ? |
C_sharp : What I need to do : I need to capture all shortcut key presses such as Ctrl+S from a specific application . Any key combo , even if it 's not a shortcut for that application.Then my midway application that capture these keys need to validate those key combination and check if another of our apps that are runn... | Capture keyboard shortcuts and forward |
C_sharp : We 're writing a diagnostic tool that needs to run for many hours at a time , but we 're running into a mysterious Out of Memory Exception when we try to remove items from a CheckedListBox after the application has run for a couple of hours.We initially tried using checkedListBox.Items.Clear ( ) ; , and after... | CheckedListBox memory leak |
C_sharp : I have a custom AuthorizeAttribute in a legacy MVC5 project : We noticed while looking through the logs , that in addition to being to applied to controllers with [ AuthorizeWithLogging ] , it was being called explicitly elsewhere in the code , generating spurious logs : Is there a way to tell ( via StackTrac... | Detecting if AuthorizationAttribute manually called |
C_sharp : I have an issue where I 'm using the same template to render some content on a page and the same template is used to render additional content on the page using an AJAX request.The following code renders the partial razor view : The following code makes the AJAX request : So what you get is the same partial r... | TagBuilder not generating unqiue id attribute values across ajax requests |
C_sharp : I have the following code : .This code compiles just fine ( why ? ) . However when I try to use it : I get : i.e . MethodToImplement is not visible from outside . But if I do the following changes : Then Main.cs also compiles fine . Why there is a difference between those two ? <code> // IMyInterface.csnamesp... | c # interface question |
C_sharp : I 've had a search round the internet and can not find anything that directly matches what I 'm after ... .I have a stored procedure that returns a fixed set of columns ( let 's say ColumnA , ColumnB and ColumnC ) and then additionally returns an indeterminate number / signature of additional columns ( maybe ... | How can I return variable column lengths via LINQ to SQL |
C_sharp : I had some verbose code : ... that Resharper offered to elegantize with a LINQ expression like so : ... but the subsequent Resharper inspection says about the code it generated ( above ) : `` Type cast is redundant '' ( referring to the `` c as ComboBox '' part ) , so that it ends up as : Should n't Resharper... | Resharper yanks its own tail ; Is it right the first time or the last ? |
C_sharp : Similar question : Passing int list as a parameter to a web user controlIs there any similar example for enum type ? I am creating a asp.net custom control in which I want to pass comma separated list of enums as property.I am writing a TypeConverter for converting comma separated string values to List of Enu... | How to create InstanceDescriptor for List of enum ? |
C_sharp : I have a Dictionary data type . My question is , is Dictionary.Keys.ToList ( ) [ i ] always correspond to Dictionary.Values.ToList ( ) [ i ] ? That is , will the following test always passes <code> public void DictionaryTest ( int i , Dictionary < U , T > dict ) { var key = dict.Keys.ToList ( ) [ i ] ; Assert... | Does Dictionary.Keys.List ( ) [ i ] correspond to Dictionary.Values.ToList ( ) [ i ] ? |
C_sharp : I 've encountered something quite surprising when using generic constraints with inheritance . I have an overloaded methods Foo that differ with parameter - either base or derived class instance . In both cases it 's generally just passing the instance to the second pair of overloaded methods - Bar.When I cal... | Two-step method resolution with inheritance and generic constraints |
C_sharp : I wrote the following method to remove the namespace in brackets from strings.I would like to make this as fast as possible.Is there a way to speed up the following code ? <code> using System ; namespace TestRemoveFast { class Program { static void Main ( string [ ] args ) { string [ ] tests = { `` { http : /... | How can I speed up this method which removes text from a string ? |
C_sharp : So , in visual studio , if you type something like this : Then a little tooltip thing pops up saying that you can press TAB to turn it into this : Then if you press TAB again , it generates : Of course , this is very useful . But I find myself more often needing a construction like so : So , is there anyway t... | C # event subscription in Visual Studio 2010 |
C_sharp : We have an internal app ( Thick Client ) that relies on our central SQL server . The app is a Desktop app that allows the users to work in `` Offline '' mode ( e.g . Outlook ) . What I need to accomplish is a way to accurately tell if SQL is available or not.What I have so far : I currently use the following ... | How to Implement Exchange like availability monitoring of internal SQL Server |
C_sharp : On some machines but not on others I get System.ObjectDisposedException using this class . After modifying GenerateDiff ( ) to : I ca n't reproduce the exception.Interesting thing is that this is not working : I 'm using an instance of this class diff here for example . No using or Dispose anywhere . No tasks... | IEnumerable < string > System.ObjectDisposedException |
C_sharp : I 'm curious to know if there is such an operator that will allow for the followingInitial line : Desired Line : ( Variable repetition assumption ? ) Im looking to educate myself a little on how these operators work at a lower level , explanation as to why not would be much appreciated.Thanks , <code> if ( fo... | In c # is there such an operator to mean 'AndAlso ' with reference to the first variable ? |
C_sharp : I have to strip a file path and get the parent folder.Say my path is I need to getFile Name = File.jogFolder it resides in = FolderBAnd parent folder = FolderAI always have to go 2 levels up from where the file resides.Is there an easier way or is a regular expression the way to go ? <code> \\ServerA\FolderA\... | Do I use a regular expression on this file path ? |
C_sharp : I 'm looking for a serializer which could take an instance , and serialize it to a string which would contain c # code , representing the contents of the graph.The class would function similar to SerializeObject in JSON.NET.I know only a very narrow set of structures will work , but the ones I 'm interested i... | Is there a serializer for .net which will output c # code ? |
C_sharp : I have a project where I have to take in input of names , weights , and heights and put them into arrays and display them into a TextBox like thisI have been able to populate my arrays but I do not understand how to it output it like the example above . Currently my output is all names , THEN all weights then... | Displaying Multiple Arrays |
C_sharp : I am looking for ways of making the following more concise.In particular specifying the type again when creating the mock seems redundant . For example I can write it this way and use reflection to get the type and create the stub automatically : This would work but the compiler can no longer detect that pres... | Getting DRY with Rhino Mocks |
C_sharp : How can I find the set of items that occur in 2 or more sequences in a sequence of sequences ? In other words , I want the distinct values that occur in at least 2 of the passed in sequences.Note : This is not the intersect of all sequences but rather , the union of the intersect of all pairs of sequences.Not... | The union of the intersects of the 2 set combinations of a sequence of sequences |
C_sharp : Between these two : With Property : With Field : Apparently I 'm supposed to pick the first one . Why ? I 've heard the argument that the point here is to allow interface changes , butif I have the second one , and change it to the first one , no other code shouldever have to change . When recompiled everythi... | Why should I use an automatically implemented property instead of a field ? |
C_sharp : I have started to learn c # . I am trying to declare a class and some variables and trying to do a simple concatenation of strings . But i am getting some error - the code is belowThe error i am getting is - a field initializer can not reference the non-static field , method , property 'ConsoleApplication1.Cl... | Need some explaination with beginner C # code |
C_sharp : I have a Linq DataContext as a database for the application . I have set up the MVVM pattern and am able to insert new records into the database . However when I load these records and try update them a new instance of the record is being created in the background and being updated with the property changes .... | Windows phone 8 MVVM Linq table Creates new instance on NotifyPropertyChanging |
C_sharp : In a website , if I have a class : In a page I have : How many times the query will be compiled ? Every time the page loads ... ? Once in the application ... ? <code> public class Provider { static readonly Func < Entities , IEnumerable < Tag > > AllTags = CompiledQuery.Compile < Entities , IEnumerable < Tag ... | How many times does a compiled query have to recompile during the lifecycle of an application ? |
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