Recent questions tagged .NET

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.net - Standard Windows menu bars in Windows Forms

I noticed that adding a MenuStrip (from the Toolbox) to my form design doesn't yield a menu bar like ... either.) Screenshot for illustration: See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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.net - How to use Default column value from DataBase in Entity Framework?

I have a Date column in table which has default value or binding as getutcdate(). I want to use this ... default value specified in database. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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.net - Are static variables thread-safe? C#

I want to create a class which stores DataTables, this will prevent my application to import a list of details ... } return currencyTable; } } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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.net - What does a single exclamation mark do in YAML?

I'm working with the YamlDotNet library and I'm getting this error when loading a YAML file: While parsing a tag, ... , the file is parsed fine. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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.net - How to read assembly attributes

In my program, how can I read the properties set in AssemblyInfo.cs: [assembly: AssemblyTitle("My Product")] ... komponent assemblies I'm using. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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460 views

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.net - 'IsNullOrWhitespace' in JavaScript?

Is there a JavaScript equivalent to .NET's String.IsNullOrWhitespace so that I can check if a textbox on the client- ... I will do that as well. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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.net - Can I pass non-string to WCF RESTful service using UriTemplate?

Can I do the following? [OperationContract] [WebGet(UriTemplate = "/foo/{id}")] string GetFoo(int id); I'd ... , and not do parsing by hand. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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.net - How to get the current ProcessID?

What's the simplest way to obtain the current process ID from within your own application, using the .NET Framework? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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.net - How to uniquely identify computer using C#?

How to uniquely identify computer (mainboard) using C#(.Net/Mono, local application)? Edition. We can identify mainboard in ... I don't know :( See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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.net - Default ContextMenu Style - WPF

I am trying to modify the default style of the ContextMenu in WPF. Normally you can creat a copy of the ... how to access this default style. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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677 views

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.net - Detect if headphones are plugged in or not via C#

There is no example how to detect if headphones are plugged in or not via C#. I assume should be some event ... to provide it? Thank you! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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245 views

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.net - Why do both the abstract class and interface exist in C#?

Why do both the abstract class and interface exist in C# if we can achieve the interface feature by making ... abstract class. Please clarify See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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419 views

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.net - What's the different between ASP.NET AJAX pageLoad() and JavaScript window.onload?

I'm working with ASP.NET AJAX and want to understand the difference between these two snippets: function pageLoad( ... and the another not? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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244 views

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.net - Understanding Covariance and Contravariance in C# 4.0

I watched a video about it on Channel 9 but I didn't really understand it much. Can someone please give me a ... it would be used in practice? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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335 views

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.net - How to authenticate against a proxy when using the HttpClient class?

I have a console app built on .NET 4 that uses the HttpClient library (obtained via NuGet) to ... client.PostAsync(RequestUri, MyContent); See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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219 views

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.net - Does it make sense to define a struct with a reference type member?

Is there any sense in defining a struct with a reference type member (and not defining it as a class)? For ... right? Can someone explain this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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438 views

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.net - OperationContext.Current is null after first await when using async/await in WCF service

I am using async/await pattern in .NET 4.5 to implement some service methods in WCF. Example service: Contract: ... it down the stack manually? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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454 views

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.net - How to add the custom nuget feed to TeamCity build?

I have created a Nuget Server using Teamcity (running on a virtual machine in internet) and created the build that ... feed to TeamCity build?" See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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362 views

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.net - Difference between HttpContext.Request and Request

What is the difference between the three ASP.NET objects: HttpContext.Current.Request HttpContext.Request Request Are these ... End If End Sub See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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194 views

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.net - Custom JavaScriptConverter for DateTime?

I have an object, it has a DateTime property... I want to pass that object from an .ashx handler back to ... that I can have clean Javascript? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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422 views

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.net - Drawing Pixels in WPF

how would I manage pixel-by-pixel rendering in WPF (like, say, for a raytracer)? My initial guess was ... requires a block of unmanaged memory) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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324 views

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.net - Using SharpZipLib to unzip specific files?

I'm trying to use SharpZipLib to pull specified files from a zip archive. All of the examples I've seen ... through the entire zip by hand? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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323 views

1 answer

.net - What should be the lifetime of an NHibernate session?

I'm new to NHibernate, and have seen some issues when closing sessions prematurely. I've solved this temporarily ... makes any difference...) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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360 views

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.net - Service has zero application (non-infrastructure) endpoints

I recently created a WCF service (dll) and a service host (exe). I know my WCF service is working correctly ... , ANY help would be appreciated. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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292 views

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.net - How to conditionally deploy an app.config based on build configuration?

I have three custom build configurations { Dev, Qs, Prd }. So, I have three app configs { Dev.config ... hard code too many conditional strings. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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187 views

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.net - How do I create a hierarchy of lognames in the Windows event system?

I am logging messages using Enterprise Library. I want some of these (typically errors and ... ApplicationName Installation1 Installation2 See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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221 views

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.net - Why should I NOT use the GAC?

There have been a few questions asked along this line stackoverflow such as What are the advantages and disadvantages of ... I NOT use the GAC? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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341 views

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.net - How do I test an async method with NUnit (or possibly with another framework)?

I have an ASP.NET Web API application, with an ApiController that features asynchronous methods, returning Task< ... in learning best practices. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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