Recent questions tagged C#

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c# - MVVM SimpleIoc, how to use an interface when the interface implementation requires construction parameters

Using MVVM's SimpleIoc, I would like to register an implementation for a given interface, but the implementation requires ... Hello World"); }); 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# - Stop/Start service in code in Windows 7

I am trying to write a app and service which monitor a given set of services and a) makes sure ... assistance would be 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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c# - How can i detect if the request is coming from a mobile browser in my asp.net MVC 3

what i am trying to achieve is simple; Among all the view which i have in my web application, i have only ... most of the mobile devices? 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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c# - Easiest way to generate P/Invoke code?

I am an experienced .Net programer, but have not compiled a C/C++ program in my life. Now I have this C-dll, ... don't know much about C/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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635 views

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c# - Entity Framework with LINQ aggregate to concatenate string?

This is easy for me to perform in TSQL, but I'm just sitting here banging my head against the desk trying to ... care to take a crack at 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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232 views

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c# - What would I lose by abandoning the standard EventHandler pattern in .NET?

There's a standard pattern for events in .NET - they use a delegate type that takes a plain object ... that is enabled for contravariance. 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 MVC - Should I use AutoMapper from ViewModel to Entity Framework entities?

I am currently using AutoMapper to map my Entity Framework entities to my View Model: public class ProductsController : ... at this point??? } 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# - MVC Razor Hidden input and passing values

I am pretty sure I am doing something wrong here. Over the last 2 months we have been developing a web app ... Thanks in advance for your 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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c# - ASP.NET Core 2.0 HttpSys Windows Authentication fails with Authorize attribute (InvalidOperationException: No authenticationScheme was specified)

I am trying to migrate an ASP.NET Core 1.1 application to ASP.NET Core 2.0. The application is fairly ... answers do not seem to generalize). 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 set width for PdfPCell in ItextSharp

i want set width for PdfpCell in Table, i want design this i Write this code PdfPCell cell; PdfGrid tableHeader; ... the cell, please help me. See Question&Answers more detail:os...

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

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216 views

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c# - Why does the Entity Framework generate nested SQL queries?

Why does the Entity Framework generate nested SQL queries? I have this code var db = new Context(); ... rewriting the application layer. See Question&Answers more detail:os...

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

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557 views

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c# - MimeKit: How to embed images?

I am using MailKit/MimeKit 1.2.7 (latest NuGet version). I tried to embed an image in the HTML body of my ... such a great toolset!!). Ingmar See Question&Answers more detail:os...

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

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883 views

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c# - System.IO.Exception: Pipe is broken

I have two .NET applications that talk to each other over a named pipe. Everything is great the first time ... to listen again, it poops. See Question&Answers more detail:os...

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

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918 views

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c# - Thread-safety of System.Timers.Timer vs System.Threading.Timer

In this article: http://msdn.microsoft.com/en-us/magazine/cc164015.aspx the author states that System.Threading. ... more thread-safety? 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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c# - How to handle custom Properties in AutoMapper

I've got a ViewModel that takes some Model data and slightly alters it. The way I'm doing it "works" ... the custom processing you see above? See Question&Answers more detail:os...

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

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532 views

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c# - How to setup password expiration using ASP.NET Identity Framework

I have a ASP.NET project using Identity. For Identity Configuration regarding passwords, the PasswordValidator is being ... after N days? See Question&Answers more detail:os...

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

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390 views

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c# - HtmlAgilityPack replace node

I want to replace a node with a new node. How can I get the exact position of the node and do a ... ?); item.ParentNode.ReplaceChild( ) } 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

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c# - How to load entire stream into MemoryStream?

Like in the topic: I want to read data from a file (from stream) into memory (memorystream) to improve my app speed. How to do 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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493 views

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c# - How can I redirect the "bin" and "obj" directories to a different location?

Is there a way to tell Visual Studio to use a different location for the bin and obj directories? For ... relative paths? 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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506 views

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c# - "await Task.Yield()" and its alternatives

If I need to postpone code execution until after a future iteration of the UI thread message loop, I could do ... .Yield() is actually useful? See Question&Answers more detail:os...

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

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583 views

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c# - WPF Toolkit DataGrid scrolling performance problems - why?

I have a performance problem with the (WPF Toolkit) DataGrid. It contains about 1.000 rows (only eight columns) ... the problem? Thanks a lot! See Question&Answers more detail:os...

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

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559 views

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c# - How to Load Form inside panel other form in win app

I Create a Windows Forms application with C#. I have a general Form and a panel on it. I show subForm into this ... I dont know how to do 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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220 views

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c# - how can I change the font open xml

How can I change the font family of the document via OpenXml ? I tried some ways but, when I open the document, it's ... .Save(); w.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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443 views

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c# - MiniProfiler not showing up on asp.net MVC

I added this to my Global.asax.cs: protected void Application_BeginRequest() { if (Request.IsLocal) { MiniProfiler. ... hidden="false"></script> See Question&Answers more detail:os...

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

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181 views

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c# - Entity Framework 4 and caching of query results

Say I have a table or 2 that contains data that will never or rarely change, is there any point of trying to ... a few hundred rows of data. See Question&Answers more detail:os...

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

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264 views

1 answer

c# - AspNet WebApi POST parameter is null when sending XML

I have a web api service originally using beta bits which I've rebuilt using the release candidate bits and I'm ... > </Metadata> </AimiRequest> See Question&Answers more detail:os...

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

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191 views

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c# - What is the Humble Object pattern and when is it useful?

I was reading an article by Dino Esposito on how to test AsyncConrollers in ASP.NET MVC and in there he uses the ... ? When would it be useful? See Question&Answers more detail:os...

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

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551 views

1 answer

c# - DataGridView Validation & Changing Cell Value

I would like to manipulate a cell in my DataGridView when it is validating so that if the user enters a value that ... what I expect it to do. See Question&Answers more detail:os...

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

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