Recent questions tagged C#

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c# - HTML Agility Pack get all anchors' href attributes on page

I am trying to add links extracted from an HTML file to a CheckBoxList (cbl_items). It works so far but ... cbl_items.Items.Add(link); } 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# - 'dotnet build' specify main method

I am using dotnet to build a .NET Core C# project from the command line. The project has multiple classes ... switch to the dotnet command? See Question&Answers more detail:os...

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

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270 views

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c# - Can I stop .NET eating IDs?

I'm an Information Architect and JavaScript developer by trade nowadays, but recently I've been getting back into ... less sleepless nights... See Question&Answers more detail:os...

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

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513 views

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c# - InvalidCastException for two Objects of the same type

I have this weird problem that I cannot handle myself. A class in the model of my mvp-project designed as ... to use it within my project. See Question&Answers more detail:os...

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

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308 views

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c# - How to check if a named capture group exists?

In my regex the pattern is something like this: @"Something(d+, ""(.+)""(, .{1,5}, d+, (?<somename>d+ ... It's not going to be for public 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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409 views

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c# - Failure on HttpWebrequest with inner exception Authentication failed because the remote party has closed the transport stream

Using C#, .Net 4.5, I'm trying to send out a web request through HttpWebRequest on a remote server. ... .GetResponse() Thanks in advance. 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

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c# - How to disable TabIndex?

Is there a way to disable TabIndex for controls in a Form (C# winForms) that never need focus? 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# - Automapper: complex if else statement in ForMember

Assuming the Date is a nullable DateTime: Mapper.CreateMap<SomeViewModels, SomeDTO>() .ForMember(dest => dest.Date, ... not be very readable? 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# - TimeSpan FromMilliseconds strange implementation?

I recently encountered some weird behaviour in the .NET TimeSpan implementation. TimeSpan test = TimeSpan. ... this implementation)? See Question&Answers more detail:os...

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

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333 views

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c# - How to Conditionally Format a String in .Net?

I would like to do some condition formatting of strings. I know that you can do some conditional formatting of ... , itemList, valueList); } See Question&Answers more detail:os...

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

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392 views

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c# - How to URL encode periods?

I need to URL encode some periods since I have to pass some document path along and it is like this http ... replace all periods with that 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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633 views

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c# - Using Moq to override virtual methods in the same class

We are using Moq to unit test our service classes, but are stuck on how to test situations where a service ... Moq to make this simpler? See Question&Answers more detail:os...

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

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282 views

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c# - How can I set a WPF control's color to a system color programmatically, so that it updates on color scheme changes?

How can I do this in WPF's code-behind? <Grid Background="{DynamicResource {x:Static SystemColors.DesktopBrushKey}}"/> See Question&Answers more detail:os...

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

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697 views

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c# - Each Dictionary entry must have an associated key attribute

I am programming w Windows 8.1 App using C# and the MVVM-Light Toolkit from GalaSoft. All I have is the code ... me what the problem here is? See Question&Answers more detail:os...

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

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1.3k views

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c# - Cannot consume scoped service 'MyDbContext' from singleton 'Microsoft.AspNetCore.Hosting.Internal.HostedServiceExecutor'

I've build a background task in my ASP.NET Core 2.1 following this tutorial: https://docs.microsoft.com/en-us/ ... poweruser, "xxx"); } } } See Question&Answers more detail:os...

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

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485 views

1 answer

c# - yield return with try catch, how can i solve it

I've a piece of code: using (StreamReader stream = new StreamReader(file.OpenRead(), Encoding)) { char[] ... File.OpenRead() stream.Read() 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# - Map collection of objects

I am trying to introduce Automapper into an application for the first time, but I keep getting an error saying I ... me in the right direction? See Question&Answers more detail:os...

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

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393 views

1 answer

c# - MVC Razor Radio Button

In partial view I work with textboxes like this. @model Dictionary<string, string> @Html.TextBox("XYZ", @Model[" ... ) { //Something Something } See Question&Answers more detail:os...

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

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322 views

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c# - Strongly-Typed ASP.NET MVC with Entity Framework

This code fails to actually save any changes: // // POST: /SomeType/Edit/5 [AcceptVerbs(HttpVerbs.Post ... MVC controllers with EntityObjects? See Question&Answers more detail:os...

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

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442 views

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c# - Using XPath and WebBrowser Control to select multiple nodes

In C# WinForms sample application I have used WebBrowser control and JavaScript-XPath to select single node and change that node ... ul')" }); ? See Question&Answers more detail:os...

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

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312 views

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c# - Problem with Efficient Gridview paging without datasource control

I am trying to do efficient paging with a gridview without using a datasource control. By efficient, I mean I only ... something I want 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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290 views

1 answer

c# - How to make text be "typed out" in console application?

Just like the way the computer does it in War Games. I've started, but I don't know where to go from ... completed code if you feel like 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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255 views

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c# - Message Pumps and AppDomains

I have a a C# (FFx 3.5) application that loads DLLs as plug-ins. These plug-ins are loaded in ... callee still respond and paint 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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325 views

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c# - Predict the position of a Rigidbody Object in x second

Let's say that you have a Rigidbody Object that moves. Force is added to this Object via Rigidbody.AddForce ... defaultPos; return futurePos; } 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# - HTTP Request with Oauth2 to Google App Script Web App

List item I have created a Google App Script REST - Application (starting with "script.google.com/"), that works ... to anyone in the future. See Question&Answers more detail:os...

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

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525 views

1 answer

c# - Connection string to connect to Active Directory using LDAP

my system admin gave me this: Domain : capp.net USER : cappdhr2 Pass : admin@12345 what will the connection string ... dont know how to fix 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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296 views

1 answer

c# - Configuring an Autofac delegate factory that's defined on an abstract class

I'm working on a C# project. I'm trying to get rid of a Factory class that has a large switch ... there another way to accomplish 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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246 views

1 answer

c# - Getting Window from view model

I have created a custom messageBox Window to replace the typical MessageBox. My custom messageBox (child Window) needs ... to the view model?? See Question&Answers more detail:os...

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

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