Recent questions tagged C#

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c# - Implement Classic Async Pattern using TPL

I'm trying to implement a custom TrackingParticipant for WF 4. I can write the Track method, but my implementation ... code to be called } } 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# - Libsodium-net - Unable to load DLL 'libsodium.dll

I installed Libsodium-net through NuGet and am able to include Sodium in my classes, but when I try ... .Strength.Medium, OUTPUT_LENGTH); 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# - MVVM update of calculated properties

I'm just learning MVVM, and I'm trying to work how to display changes to a calculated property as a result ... faced with an either/or choice? 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 gridview row onclick

I'm attempting to have an onclick event added to a row once the data is bound to a gridview webcontrol. The ... ){ document.write(counter); } 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# - Dynamic override of ToString() using Reflection

I generally override the ToString() method to output the property names and the values associated to them. I ... to produce the desired output. 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# - Why does the Task.ContinueWith fail to execute in this Unit Test?

I have come across a problem with a unit test that failed because a TPL Task never executed its ContinueWith(x ... thread, the test should pass. 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# - EF Core 2.0 connection string in Azure Functions .NET Core

I'm using EF core 2.0 in Azure Functions using .net core. I'm trying to read db ConnectionString from ... the connection string from the 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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c# - The request failed with HTTP status 401: Unauthorized IN SSRS

My Application is in Asp.Net MVC3 coded in C#, i have a SSRS solution in SQL Server Business Intelligence ... HTTP status 401: Unauthorized. 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 force windows phone 8 app to be run in light theme

I have developed a windows phone application, i want that app to be run in light theme, irrespective of what user ... the windows phone 8 app. 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 does SqlDbType.Structured mean?

From msdn website I get the following: A special data type for specifying structured data contained in table-valued ... it from the definition. See Question&Answers more detail:os...

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

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372 views

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c# 4.0 - How do I use WS-Addressing in WCF and set the wsa:replyto header?

I'm calling a BizTalk service using WCF. The service requires the wsa:replyto address to be set in the SOAP ... replyto in the (SOAP) header? 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# - Writing custom sections into app.config

I want to save some custom data into application configuration file and I need to create some custom ... -custom-configuration-sections.aspx See Question&Answers more detail:os...

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

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226 views

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c# - Is there an easy way to make an immutable version of a class?

Is there an easy way to make an instance immutable? Let's do an example, I have a class holding a lots of ... a bad idea (too much parameters). See Question&Answers more detail:os...

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

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205 views

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c# - Response is not available in this context

I have problem. Locally everything works fine but in the production server it always throws exception 'Response ... context) +4842149` 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

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c# - Retrieve Windows Experience Rating

I'm looking to retrieve a machine's windows experience rating in C#. If possible I would also like to retrieve ... RAM etc.) Is this possible? 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 set Supported orientations property in Windows Phone 8.1

I wrote an application for WP 8 some time ago, I'm currently working on updating it for WP 8.1. My XAML and ... per page in Windows Phone 8.1? 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# string interning

I am trying to understand string interning and why is doesn't seem to work in my example. The point of the ... Done"); Console.ReadLine(); See Question&Answers more detail:os...

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

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259 views

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c# - Create ADO.NET DataView showing only selected Columns

In C# & .NET, can one create a DataView that includes only a proper subset of the DataColumns of a given ... "projection" operation (π)? See Question&Answers more detail:os...

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

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427 views

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c# - Connection Pooling in .NET/SQL Server?

Is it necessary or advantageous to write custom connection pooling code when developing applications in .NET with an ... built into ADO.NET? See Question&Answers more detail:os...

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

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370 views

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c# - XML deserializing only works with namespace in xml

The most simple way I get ServiceStack xml deserialization to work is when the xml contains a namespace. However, ... in the incoming xml. See Question&Answers more detail:os...

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

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316 views

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c# - strange out-of-memory exception during serialization

I am using VSTS2008 + C# + .Net 3.5 to run this console application on x64 Server 2003 Enterprise with 12G ... ; } thanks in advance, George 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# - HttpClient with .Net Core 2.1 hangs

Given the following .Net Core 2.1 Console App... using System; using System.Diagnostics; using ... /corefx/issues/30166#issuecomment-395489603 See Question&Answers more detail:os...

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

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490 views

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c# - How to remove 3d border (sunken) from MDIClient component in MDI parent form?

I am developing WinForms MDI app in VS2010 (.NET 4.0) and I just hate 3D border in MDI parent form. So any ... or just no border it all) ? 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 to add SQL Server database file (.mdf) in Visual Studio without installing SQL Server Express Edition?

I have an error below adding an .mdf file (SQL Server Database) in a Visual Studio 2010 project ... using Visual Studio 2010 Ultimate See Question&Answers more detail:os...

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

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365 views

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c# - Background worker exception handling

I am slightly confused on how to deal with an exception. I have a background worker thread that runs some long ... you should just use "throw"? See Question&Answers more detail:os...

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

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222 views

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c# - MVC 3 Area route not working

I created a Area in my MVC 3 application called 'Blog'. In global.asax I have the following code. public static ... .vbhtml How do I solve 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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383 views

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c# - Wiring up Simple Injector in WebForms in .NET 4.7.2

With the changes in .NET 4.7.2, constructor injection is now possible in Web Forms. I have gotten Simple ... there to be any scoped containers. See Question&Answers more detail:os...

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

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331 views

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c# - Generating Interfaces from entity framework database first auto-generated code

I am using MVC3, C# 4.0 and Entity Framework in Visual Studio 2010. I am generating my edmx and ... regenerate the interfaces. 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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