Recent questions tagged C#

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c# - Namespace Manager or XsltContext needed. This query has a prefix, variable, or user-defined function

I am trying to call SelectNode from XmlDocument class and trouble due to this error: Namespace Manager or ... template> </xsl:stylesheet> See Question&Answers more detail:os...

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

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183 views

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c# - How to capitalize names

Basically if I want to transform a name from stephen smith to Stephen Smith I can easily do it with come CSS ... Is there a function for 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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367 views

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c# - Can I check if a variable can be cast to a specified type?

I am trying to verify whether a variable that is passed can be converted to a specific type. I have tried ... here.... return isCorrectType; } 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# - ASP.NET Core - The name 'JsonRequestBehavior' does not exist in the current context

In my ASP.NET Core (.NET Framework) project, I'm getting above error on my following Controller Action ... or IActionResult works 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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c# - Start Debugger in Code

I need to debug an application that is started from a one-click install. (VS 2010, Excel VSTO with ... the deployed application? Thanks. Randy See Question&Answers more detail:os...

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

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524 views

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c# - How can I allow ctrl+a with TextBox in winform?

I'm asking the question already asked (and even answered) here: Why are some textboxes not accepting Control + ... your browser's address bar). 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 read-only auto-implemented property possible?

I found a topic on MSDN that talks that yes, this is possible. I did a test that seems to break this statement: ... } } } Where am I wrong? 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 to construct a Task without starting it?

I want to use this Task<TResult> constructor. I can't seem to get the syntax right. Could someone correct my code? ... // ... return someInt; } 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# - AsNoTracking() and Include

I have a?Linq query that fetches an entity and?some of its navigation properties. context.MyEntity .AsNoTracking() . ... ==1) .FirstOrDefault(); 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# - UrlEncode through a console application?

Normally I would just use: HttpContext.Current.Server.UrlEncode("url"); But since this is a console application, ... thing that I could use? See Question&Answers more detail:os...

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

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283 views

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c# - How can I create a new instance of ImmutableDictionary?

I would like to write something like this: var d = new ImmutableDictionary<string, int> { { "a", ... immutable dictionary with static content? See Question&Answers more detail:os...

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

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495 views

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c# - No executables found matching command 'dotnet-aspnet-codegenerator'"

When trying to add a Controller in an ASP.NET Core project using Visual Studio 15 Enterprise with Update 3 ... 'dotnet-aspnet-codegenerator'" See Question&Answers more detail:os...

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

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547 views

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c# - Fit Image into PictureBox

using (SqlConnection myDatabaseConnection = new SqlConnection(myConnectionString.ConnectionString)) { myDatabaseConnection.Open(); ... removed. See Question&Answers more detail:os...

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

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2.2k views

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c# - Configuration.GetSection always returns null

Every time I call Configuration.GetSection, the Value property of the returned object is always null. My ... those are completely unrelated. See Question&Answers more detail:os...

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

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417 views

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c# - Preventing a dialog from closing in the button's click event handler

I have a dialog that I show with <class>.ShowDialog(). It has an OK button and a Cancel button; the OK ... the last part (preventing the close). See Question&Answers more detail:os...

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

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349 views

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c# - What is SUT and where did it come from?

I see many people talking about the term SUT, but do not understand why they use that term. SUT is what you ... ().ToAction("Index"); } 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# - Mocking a method to throw an exception (moq), but otherwise act like the mocked object?

I have a Transfer class, simplified it looks like this: public class Transfer { public virtual IFileConnection source ... unit test for NUnit? See Question&Answers more detail:os...

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

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338 views

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c# - How to remove a ConnectionString using Config Transformations

I have a Web.config with several ConnectionStrings <connectionStrings> <add name="connStr1" connectionString="... <add ... you get my drift... 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# - Expression-bodied members vs Lambda expressions

A lambda expression is a block of code (an expression or a statement block) that is treated as an object. It can be ... => First + " " + Last; 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# - IPP .NET SDK for QuickBooks v3.0 Create Invoice Error - Bad Request

I am having a hard time figuring out what exactly is going wrong here - I do not get alot of insight form ... have a working example of 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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292 views

1 answer

c# - Receiving MSMQ messages with Windows Service

I'm creating a Windows Service in C#. What is the best way to listen for messages?? How do I code this properly?? See Question&Answers more detail:os...

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

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354 views

1 answer

c# - Creating tree view dynamically according to json text in Winforms

I am building an application that gets in run-time JSON message from external source. I don't know anything ... to start..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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228 views

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c# - UWP: Resource file for languages is not deployed correctly

I have a problem with my Universal-Windows-App: I'm giving the user the option to change the language of the ... system: How can I avoid 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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154 views

1 answer

c# - Connecting Windows Phone 8 to Sql server

As I'm not that skilled in Windows Phone 8 development I would like to discuss/ask what is the best way to ... this and answers/comments. M.S. See Question&Answers more detail:os...

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

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358 views

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c# - How do I draw transparent DirectX content in a transparent window?

I want to draw DirectX content so that it appears to be floating over top of the desktop and any other ... using Managed DX with C#. See Question&Answers more detail:os...

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

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421 views

1 answer

c# - Html.DropDownList in ASP.NET MVC RC (refresh) not pre-selecting item

In my controller, I have the following: ViewData["myList"] = new SelectList(itemRepository.GetAll(), "Id", "Name" ... RC/RC(refresh). Any ideas? See Question&Answers more detail:os...

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

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261 views

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c# - Handling a Button's Click event in XAML?

This feels like a terribly basic question but I am sure there is a better way to do this. I have a Button in ... " /> </TabControl> </DockPanel> See Question&Answers more detail:os...

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

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303 views

1 answer

c# - iBeacon support for Windows Phone devices

iBeacon in Windows Phone devices -: We need to develop a windows phone application with iBeacon support similar ... on Windows Phone Devices?" See Question&Answers more detail:os...

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

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