Recent questions tagged C#

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c# - PostSharp on assemblies I don't have source for

In the examples on their website, PostSharp has a demo of intercepting calls in main system assemblies. I have ... runtime injections... 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# - Progress bar in parallel loop invocation

I am trying to update a progressbar in a multithreaded environment. I know that a lot of questions already ... runs a BackGroundWorker on 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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409 views

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c# - Convert.DateTime throws error: String was not recognized as a valid DateTime for "06-13-2012"

I am inserting a date into my database, the value which comes from: s.theDate = Convert.ToDateTime("06-13-2012"); ... ". How do I resolve 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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357 views

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c# - ASP.NET app to send an mail with a hyperlink

MailMessage message = new MailMessage(); message.From = new MailAddress("[email protected]"); message.Subject = "Subject"; ... How can I do 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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485 views

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c# - Get finger position on touchpad

Is there any way to get the location that touch pad is touched? also I need capture module that is ... what technology/language it is written See Question&Answers more detail:os...

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

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213 views

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c# - Frustrated with Json Response

So here is my problem. I'm using Jquery's $.ajax to pass back a series of values to a web ... ?undefined ?undefined ?undefined ?undefined 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# - Determine current domain controller programmatically

I need to query current domain controller, probably primary to change user password. (P)DC name should be fully ... it be done using 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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241 views

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c# - How to make a render loop in WPF?

How can I create a loop that will be continuously executed whenever the message loop is idle in WPF? The goal ... uint flags); #endregion } } See Question&Answers more detail:os...

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

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342 views

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c# - Get SynchronizationContext from a given Thread

I seem not to find how to get the SynchronizationContext of a given Thread: Thread uiThread = UIConfiguration. ... am I completely wrong? 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 dispose BitmapImage cache?

I'm facing a memory leak issue. The leak comes from here: public static BitmapSource BitmapImageFromFile(string ... correctly during unloading? See Question&Answers more detail:os...

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

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466 views

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c# - Prevent winforms UI block when using async/await

I'm fairly new to async/await programming and sometimes I feel that I understand it, and then all of a ... proper way to handle this scenario? See Question&Answers more detail:os...

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

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406 views

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c# - StackOverflowException is thrown when serialising circular dependent ISerializable object with ReferenceLoopHandling.Ignore

I have a legacy application that used binary serialisation to persist the data. Now we wanted to use Json.net 4 ... all for answering, voting... See Question&Answers more detail:os...

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

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327 views

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c# - How to Convert a Negative String to Decimal value?

Im trying to convert a negative string like "-23.27" to a decimal point value, And the problem ... .Globalization.NumberStyles.AllowThousands)); See Question&Answers more detail:os...

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

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386 views

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c# - How to get rid of CORS in .net core 2.2?

I've updated my project to .net core 2.2 and it seems like CORS is making problems that weren't there ... in order to completely remove CORS? See Question&Answers more detail:os...

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

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207 views

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c# - Many-to-many collection of same entity, with two-way relationship

Suppose I have a widget entity, and I want to track other widgets that are adjacent to each. If ... or separate relationship 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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250 views

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c# - Sorting a composite collection

So WPF doesn't support standard sorting or filtering behavior for views of CompositeCollections, so what would be a ... in a more elegant way? See Question&Answers more detail:os...

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

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403 views

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c# - Flushing System.Console.Read()

I'm learning C# for one of my classes and for my assignment I need to get user input from the console. In ... how to use Read() with newlines See Question&Answers more detail:os...

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

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469 views

1 answer

c# - Get variable value from code behind and use in aspx page control

I got a web user control where I have controls that needs to be fed with some data from variables or ... get property value from code behind See Question&Answers more detail:os...

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

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189 views

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c# - How to define a connection string to a SQL Server 2008 database?

I'm using MS Visual Studio 2010 to create an application with SQL Server 2008 database access, but what I did ... me that the login failed. See Question&Answers more detail:os...

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

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388 views

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c# - Identity 2.0 Reset password by Admin

How can I reset password as a admin for other users? I have tried using the code below var code = await ... . Can someone please enlighten 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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868 views

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c# - System.ArgumentOutOfRangeException: startIndex cannot be larger than length of string

I have this code. I am trying to retrieve just the text "first program". Considering that i know the index ... be larger than length of string" 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

1 answer

c# - .Net Core MySql

I've just started coding in Visual Studio Code with .NET Core, on Ubuntu 14.04.4 I'm used to both using ... Thank you very much for your time. See Question&Answers more detail:os...

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

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500 views

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c# - ASP.NET long running task. Thread is being aborted exception

An ASP.NET 3.5 webapp has to start several tasks that takes hours to complete. For obvious reasons the pages ... long running work to be done. See Question&Answers more detail:os...

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

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258 views

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c# - How to invoke (non virtually) the original implementation of a virtual method?

I have the following situation: In a 3rd party library (can not be modified): class A { public virtual ... the complexity of reimplementing 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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558 views

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c# - Bitmap.Lockbits confusion

MSDN reference: [1] http://msdn.microsoft.com/en-us/library/5ey6h79d.aspx#Y1178 From the link it says that the ... . How does this work out? See Question&Answers more detail:os...

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

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820 views

1 answer

c# - Get handle to desktop / shell window

In one of my programs I need to test if the user is currently focusing the desktop/shell window. Currently I'm ... it will work all the time See Question&Answers more detail:os...

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

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293 views

1 answer

c# - Get the coordinates of a WM_NCHITTEST message?

How do I get the coordinates of a WM_NCHITTEST message in C# code? I'd love to get the fastest way, because performance is a requirement. See Question&Answers more detail:os...

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

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395 views

1 answer

c# - How can can I throttle bandwidth on an application domain level in Windows (in user mode)?

I would like to make the following happen: My application runs on a Windows machine (call it application A). ... on an application domain level? See Question&Answers more detail:os...

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

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