Recent questions tagged C#

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c# - How do I prevent a form object from disposing on close?

I am using an MDIParent Form. When I close its child, the object of the child disposes. Is there a ... to false instead of disposing? See Question&Answers more detail:os...

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

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223 views

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c# - Weird "assembly not referenced" error when trying to call a valid method overload

I'm using method overloading in Assembly A: public static int GetPersonId(EntityDataContext context, string name) ... ctor overloads added. See Question&Answers more detail:os...

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

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202 views

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c# - Access a Model property in a javascript file?

Is it possible to access a Model property in an external Javascript file? e.g. In "somescript.js" file var ... Is there any way around 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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237 views

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c# - Why Logging doesn't use string interpolation

I have been following Logging in ASP.NET Core Which is working just fine. I have a question about this line ... log properly in .net core. See Question&Answers more detail:os...

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

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186 views

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c# - Serializing WITHOUT xmlns

I have a couple extension methods that handle serialization of my classes, and since it can be a time ... RemoveAllNamespaces(el))); } See Question&Answers more detail:os...

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

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198 views

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c# - Coloring instance variables in Visual Studio

Is it possible to color instance (and static) variables in C# code in Visual Studio 2010, perhaps using a lightweight ... test = "XYZ"; } } See Question&Answers more detail:os...

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

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813 views

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c# - Add Multiple Contract Resolver in Newtonsoft.Json

Blueprint for data structure: public class Movie { public string Name { get; set; } } Using Newtonsoft. ... to the Contract Resolver. 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

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c# - Map System.Uri using Entity Framework Fluent Api

Pretty simple question. I have a model that has a property which is a System.Uri type. Uris don't have a ... to make a wrapper like that. See Question&Answers more detail:os...

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

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401 views

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c# - Set cell value using Excel interop

Ok, so I'm trying to set the value of a cell with the excel interop library. I am able to do it with ... on what I'm missing? 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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238 views

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c# - Splitting/Combining Partial Methods

I understand partial methods can be used to split the definition of a method across multiple files. I'm ... surprised if this were permitted. See Question&Answers more detail:os...

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

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474 views

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c# - EF Core 'another instance is already being tracked'

I have a problem updating an entity in .Net Core 2.2.0 using EF Core 2.2.3. An error occurred while saving ... ==> With NO tracking on the RIGHT See Question&Answers more detail:os...

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

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313 views

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c# - Is it possible to share a ResourceDictionary file between multiple projects?

If I have a ResourceDictionary in one project, is it possible to create another project that uses resources ... not ControlLibraries. 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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708 views

1 answer

c# - Is it okay to attach async event handler to System.Timers.Timer?

I have already read the SO posts here and article here. I have a timer event that fires every once in a ... still attach async void to 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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468 views

1 answer

c# - Passing a task as parameter

I am not sure whether this is possible, so here me out: I have a sequence of action to perform multiple async ... Method() body, and not before. 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# - Split string into list of N-length strings using LINQ

I know the concept of String.Split has been addressed before with a multitude of different approaches, but I ... all the excellent 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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256 views

1 answer

c# - What is the difference between using a delegate and using Func<T>/Action<T> in a method signature?

I have been trying to get my head around delegates in C#, but I just don't seem to get the point ... a pretty straight forward type deduction. See Question&Answers more detail:os...

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

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334 views

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c# - GroupBy and count the unique elements in a List

I have a list that contains only strings. What I would love to do is group by and return a count. For instance: ... up, can't figure the 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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447 views

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c# - left shift an entire byte array

In C#, is there a way to right/left shift an entire byte array (and subsequently adding a byte to a particular ... /or how to begin doing 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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166 views

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c# - How to allow sorting of a gridview?

I have a gridview and enabled sorting. When running the application I click on the first column to sort. ... GridView> Any help is 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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254 views

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c# - What does Trusted = yes/no mean in Sql connection string?

What does Trusted = yes/no mean in Sql connection string? I am creating a connection string as below : string ... 600", _sqlServer); 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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416 views

1 answer

c# - How to continue executing code after calling ShowDialog()

the Form.ShowDialog() method causes the code to be halted until the newly called form is closed. I need the ... ().Continue would be cool. See Question&Answers more detail:os...

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

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201 views

1 answer

c# - How can I display the Build number and/or DateTime of last build in my app?

I know that I can do this to get the app's official (release/publish) version number: string version = Assembly. ... (7/17/2012 16:22)" See Question&Answers more detail:os...

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

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645 views

1 answer

c# - How to insert element in first index in dictionary?

Is there a method or technique that allows you to insert an element into a Dictionary<TKey, TValue> guaranteeing that the ... foo = baa a = b See Question&Answers more detail:os...

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

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296 views

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c# - Need some advice for trying to mock a .NET WebClient or equivalent

I've got some code which downloads some RSS feeds. I've been using WebClient or Argotic.Syndication.RssFeed ... .. suggestions on 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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343 views

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c# - CloudConfigurationManager does not pick up ApplicationSettings from app.config

I have a library containing some Azure helper classes. Inside these helper classes I obtain settings such ... .Settings> </applicationSettings> See Question&Answers more detail:os...

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

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288 views

1 answer

c# - How do I capture the enter key in a windows forms combobox

How do I capture the enter key in a windows forms combo box when the combobox is active? I've tried to listen ... seems to work. Any ideas? /P See Question&Answers more detail:os...

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

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278 views

1 answer

c# - Editing XAML leads Visual Studio's Designer to crash

Original Question I'm working on a WPF application with Visual Studio 2010, using Telerik. I have been dealing ... exception occurs is below. See Question&Answers more detail:os...

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

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415 views

1 answer

c# - How can I set the value of auto property backing fields in a struct constructor?

Given a struct like this: public struct SomeStruct { public SomeStruct(String stringProperty, Int32 intProperty) { ... explicit backing fields? See Question&Answers more detail:os...

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

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