Recent questions tagged C#

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c# - 'Model' conflicts with the declaration 'System.Web.Mvc.WebViewPage<TModel>.Model

I have a view to Display the below Customer Object. public Class Customer { public long Id { get; set; } ... Thanks & Regards, Saravanakumar R. 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# - Error (HttpWebRequest): Bytes to be written to the stream exceed the Content-Length bytes size specified

I can't seem to figure out why I keep getting the following error: Bytes to be written to the stream exceed ... .Show(exp.Message); } } See Question&Answers more detail:os...

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

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274 views

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c# - System.Convert.ToInt vs (int)

I noticed in another post, someone had done something like: double d = 3.1415; int i = Convert.ToInt32(Math. ... ToString(), but not the rest. See Question&Answers more detail:os...

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

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493 views

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c# - Convert an angle in degrees, to a vector

I'm doing some game programming. FWIW I'm using XNA, but I'm doubtful that this is relevant. I'd like to ... to path? Many thanks in advance. 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# - Checking multiple contains on one string

So I have a conditional that currently looks like this... if (input.Contains(",") || input.Contains("/") ... this without adding lots of code? 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 can I convert WriteableBitmap to BitmapImage?

BitmapImage bitmapImage = new BitmapImage(new Uri("arka_projects_as_logo.png", UriKind.Relative)); Image uiElement = new ... to make it work? 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# - How do I use Microsoft Application Insights with NLog (Target cannot be found: 'ApplicationInsights')

I am using Microsoft Application Insights for my Web Application. I used the Application Insights TraceListener ... either. Any suggestions? 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# - How can I receive OutputDebugString from a service?

I'm trying to catch all OutputDebugString messages (including those from services) using the following code. It ... has many followers :) See Question&Answers more detail:os...

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

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452 views

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c# - How to ensure UWP app is always full screen on launch?

Is there a way (either C# or XAML) I can maximize a UWP app window even after I resized and closed it ... and covers the Windows Taskbar too. See Question&Answers more detail:os...

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

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576 views

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c# - Reflection says that interface method are virtual in the implemented type, when they aren't?

I have the following code in an unit test public bool TestMethodsOf<T, I>() { var impl = typeof(T) ... wrong with my TestMethodsOf logic? Cheers See Question&Answers more detail:os...

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

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981 views

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c# - login to website using HTMLAgilityPack

In the below code, I can set the value of the username and password using the HTMLAgilitypack but I cannot invoke ... ("value", "MyPassword"); See Question&Answers more detail:os...

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

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541 views

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c# - Adding null to a List<bool?> cast as an IList throwing an exception

Using .NET 3.5 and C# 3.0, IList list = new List<bool?>(); list.Add(null); This throws an ArgumentException, ... >>("[true, false, null]"); See Question&Answers more detail:os...

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

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323 views

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c# - Checking if a file is in use without try catch?

Is there a way I can check if a file is in use or is not opened by other process without just trying to ... service method to test such a thing? See Question&Answers more detail:os...

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

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435 views

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c# - Disadvantage of making class to Serializable

I'm using Azure Cache preview and need to make some classes Serializable. Is there any disadvantage of ... as Serializable Thank in advance See Question&Answers more detail:os...

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

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339 views

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c# - What concrete type does 'yield return' return?

What is the concrete type for this IEnumerable<string>? private IEnumerable<string> GetIEnumerable() { yield return "a"; ... yield return "a"; } See Question&Answers more detail:os...

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

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489 views

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c# - P/Invoke dynamic DLL search path

I have an existing app which P/Invokes to a DLL residing in the same directory as the app itself. Now ... subdirectory and debugged from there? See Question&Answers more detail:os...

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

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482 views

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c# - What collection to store a tree structure?

I want to store an organisation chart in a collection. I think a tree data structure will be best suited ... ? Any suggestion please? 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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328 views

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c# - How to make a phone call in Xamarin.Forms by clicking on a label?

Hello I have an app i'm working on in Xamarin.Forms that gets contact info from a web service and then displays ... } } } Thanks in advance! See Question&Answers more detail:os...

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

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655 views

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c# - MVC Razor need to get Substring

I have the following inside of my view @Html.DisplayFor(modelItem => item.FirstName) I need to get the first ... 'Substring' and no extension See Question&Answers more detail:os...

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

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397 views

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c# - CellContentClick event doesn't always work

CellContentClick event doesn't always work - it sometimes works and sometimes not, randomly. My code is below, I ... } dataGridView1.Focus(); } See Question&Answers more detail:os...

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

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279 views

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c# - convert string[] to int[]

Which is the fastest method for convert an string's array ["1","2","3"] in a int's array [1,2,3] in c#? 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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312 views

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c# - Does using ConditionalAttribute also remove arguments computation?

I tried the following code: class Magic { [Conditional("DEBUG")] public static void DoMagic( int stuff ) ... . Is such behavior guaranteed? See Question&Answers more detail:os...

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

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936 views

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c# - .NET Core 3.1 - Could not load file or assembly System.Runtime, Version=4.2.2.0

.NET Core 3.1 console app generates error during build - System.IO.FileNotFoundException: Could not load file or ... </ItemGroup> </Project> See Question&Answers more detail:os...

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

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578 views

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c# - Best way to wait for TcpClient data to become available?

while (TcpClient.Client.Available == 0) { Thread.Sleep(5); } Is there a better way to do this? See Question&Answers more detail:os...

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

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413 views

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c# - Loop through constant members of a class

I have a class with constant strings in it. I'd like to throw all of those strings into a drop down ... past. Any help is greatly appreciated! See Question&Answers more detail:os...

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

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362 views

1 answer

c# - Details on what happens when a struct implements an interface

I recently came across this Stackoverflow question: When to use struct? In it, it had an answer that said ... treated like a reference-type? See Question&Answers more detail:os...

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

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477 views

1 answer

c# - Regex taking surprisingly long time

I have a search string entered by a user. Normally, the search string is split up using whitespace and then an ... six seven" eight "nine ten" See Question&Answers more detail:os...

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

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521 views

1 answer

c# - How to set canvas ZIndex WPF button control in Click Event?

I have three buttons lying one by one. I want to show top of all button, which i click. So that I have ... in WPF button control in Click Event? See Question&Answers more detail:os...

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

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