Recent questions tagged C#

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c# - Finding the number of places after the decimal point of a Double

I have a Double value: double a = 4.5565; What is the easiest way to calculate the number of digits after the ... . But is there an easier way? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - Infinite loop in release mode

When I run the following code in debug mode, it'll successfully finish and exit. However, if I run the ... get stuck in an infinite loop? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - Best implementation for an isNumber(string) method

In my limited experience, I've been on several projects that have had some sort of string utility class with methods ... (str, out bob); } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - xUnit theory test using generics

In xUnit I can have a Theory test that uses generics in this form: [Theory] [MemberData(SomeScenario)] public ... of a variable as parameter See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - Why does short-circuiting not prevent MissingMethodException related to unreachable branch of logical AND (&&)?

While performing a check if there's a camera present and enabled on my windows mobile unit I encountered ... the difference in behaviour? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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485 views

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c# - How to open a link in webBrowser control in external browser?

I have a textBox and a webBrowser control in my Windows Forms application. Whenever a user enters a HTML ... that handles link clicking? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - Can I Add ConnectionStrings to the ConnectionStringCollection at Runtime?

Is there a way where I can add a connection string to the ConnectionStringCollection returned by the ConfigurationManager at ... 'm all for it. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - What is the complexity of OrderedDictionary?

No one said that OrderedDictionary is having two copies of elements, one in a hashtable and other in a list, ... at MSDN for OrderedList. thanks See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - WPF two-way binding not working

I have a data context (UserPreferences) assigned to my main window, and a textbox that binds two-way ... manual assignment. Is there something wrong with my INotify implementation...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - System.BadImageFormatException caused by NUnit project

Good day everyone. I have been having the same problem all day at work and am struggling to find any new ... give equal credit to each option. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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626 views

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c# - When using LINQ, what is the difference between && and multiple where clauses?

I am new to LINQ and discovered yesterday that you can have multiple where clauses such as: var items = ... the difference between the two? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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444 views

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c# - Exception when using Shell32 to get File extended properties

I am trying to use Shell32 to get extended file properties in c#. My code for this is as follows. var file = ... ) How to fix this? Thanks. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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456 views

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c# - Disable caching on a partial view in MVC 3

I have an issue with a partial View being cached when it shouldn't be. This partial View is used to ... for the partial view in question? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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263 views

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c# - Nuget version not correct?

I have a project that i cannot compile. When i try to do so I get the following error: The 'Microsoft.Bcl. ... . How can I fix this problem? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - What is happening in an "If(..||..)" and "If(...&&...)" construct internally?

I was just wondering what happens inside of an "if OR" and "if AND". I have a feeling that it's just ... Added the else to the || case See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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630 views

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c# - SemaphoreSlim.WaitAsync before/after try block

I know that in the sync world the first snippet is right, but what's about WaitAsync and async/await magic? ... { _semaphore.Release(); } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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172 views

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c# - Breaking single thread

Is it possible to break a single thread in Visual Studio, while other threads will continue their execution? I ... code in some other thread. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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262 views

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c# 4.0 - creating simple excel sheet in c# with strings as input

I am working on creating EXcel sheet in C#. No Of columns:4 Name of columns: SNO, Name, ID, Address There ... like dlls needed etc. Thank you See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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161 views

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c# - textboxes lose value on postback

i have about 4 textboxes on my webpage...some are asp:textboxes while others are input type="text". the input textbox ... ......... please help See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - Is this PInvoke code correct and reliable?

In this question I have searched for a simple solution to unblock files. Thanks to all the comments and answer, ... corrected this now, sorry. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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255 views

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c# - Is it possible to log who started or stopped a windows service?

I have some windows services written in C#. When somebody stops or starts the service, I would like to be ... running on Windows 2000 server. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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341 views

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c# - Why doesn't Array class expose its indexer directly?

something to mention for answering: Don't worry about variance, while the item in question is Array rather than ... are there exposing issues? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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170 views

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c# - Find references to the object in runtime

I have an object, which lives forever. I am deleteing all references I can see, to it after using it, but it ... have? Why is it not collected? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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295 views

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c# - What do I need to further qualify the DataContext for a binding?

The files I have created and will be referring to in this question are: TechnicainSelectionView.xaml TechnicianSelectionView. ... at the start. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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254 views

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c# - How can I change an int ID column to Guid with EF migration?

I'm using EF code-first approach and want to change the Id field to guid but can't seem to get past ... ideas why this might be happening? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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508 views

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c# - MVC4 Razor difference in @model and @inherit in view header?

To make a view strongly typed we can use @model and @inherit. Can you please tell me what the difference is ... Edit: Please see this example. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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683 views

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c# - Why can't I read Http Request Input stream twice?

I was putting in some debugging code to test some things, and then the debug code didn't behave as expected. ... .OK, testOutput); } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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162 views

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c# - Form and designer files not linking in Solution Explorer

I can't seem to get the form and the designer files to link in my project. They look like this in the ... .Controls.Add(this.FDatePicker); } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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