Recent questions tagged C#

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c# - <system.web> globalization in .net core

I have been using the following setting the the web.config of my previous application. <system.web> <globalization ... for your help, Nikolai 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# - Why am I getting wrong results when calling Func<int>?

I have the following code snippet in C#: var actions = new List<Func<int>>(); IEnumerable<int> values = ... not getting the result I expect? 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# - Insert Image at Cursor Position in Rich Text box

I know there are various questions like this but i'm asking because i couldn't understand all the answers give. I ... any better way to do 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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c# - Deserialize part of a binary file

Is it possible to deserialize part of a binary file? Basically I have an object similar to below, which ... freely in a commercial environment. 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# - Why do I get a thrown exception when I run Response.Redirect()?

I am learning ASP.NET and was looking at QueryStrings. One of the examples I was looking at hooks a button up ... was alarmed when I saw 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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c# - Azure download blob part

I would be very grateful if anybody has experience with the function DownloadRangeToStream. Here they say that the ... Thank you for any 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# - Linq to SQL: Why am I getting IDENTITY_INSERT errors?

I'm using Linq to SQL. I have a DataContext against which I am .SubmitChanges()'ing. There is an error ... even show any queries being run. 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# - Add filter to all query entity framework

I want add CompanyID filter to my all entity framework request.Because each user must see just their records.I dont ... >x.CompanyID==_cID); } 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# - Stopping all thread in .NET ThreadPool?

I am using ThreadPool in .NET to make some web request in the background, and I want to have a "Stop" button to ... the job. 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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c# - Code or command to use embedded resource in Visual Studio

Can somebody provide me a starting point or code to access an embedded resource using C#? I have successfully ... either C# or Visual Studio. 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# - How to write functionality using DDD / CQRS

I have a bank account domain as listed below. There can be SavingsAccount, LoanAccount, FixedAccount and so on. ... repository for each object? 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# - Date formatting yyyymmdd to yyyy-mm-dd

I'm trying to convert a date in yyyymmdd format to yyyy-mm-dd with the following code: tdrDate = ... happening, any help is 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# - Why does Entity Framework 6 generate complex SQL queries for simple lookups?

I have this LINQ query dbContext.Customers.Where(c => c.AssetTag == assetTag).Count(); or (from c in ... SQL for a simple where statement? 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# - Rotate photo with SkiaSharp

I'm trying to rotate photo with SkiaSharp to 90 degrees with following code: public SKBitmap Rotate() { var bitmap ... . What am I doing 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# - Can't access Roles in JWT Token .NET Core

I have an application made with .NET Core API, Keycloak and JWT Token. The older version of Keycloak that I've been using ... ") )) ); }); } See Question&Answers more detail:os...

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

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590 views

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c# - SignIn for Blazor Server-Side app not working

I am building a sample login razor component for an Asp.net core 3.0 Blazor Server-Side app. Whenever the code ... errorMessage { get; set; } } 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# - how to send binary data within an xml string

I want to send a binary file to .net c# component in the following xml format <BinaryFileString fileType='pdf'> ... it sending the data in 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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368 views

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c# - how to grant write permissions to an web api application in IIS?

I simply have a web api application on IIS server that simply writes to text file on C:FileStorageest. ... errorCode, String maybeFullPath) at See Question&Answers more detail:os...

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

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690 views

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c# - Getting Position of mouse cursor when clicked out side the form's boundary

It is very easy to get the position of cursor out side the form's boundary by just dragaging the mouse it ... clicked outside the form. like: 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# - Why does PLINQ use only two threads?

Say I have an IO-bound task. I'm using WithDegreeOfParallelism = 10 and WithExecution = ForceParallelism mode, but still ... return n%2 == 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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234 views

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c# - Global Hook Keylogger problem

It logs the keys to textbox currently so its safe. PROBLEM The problem is when i run this at virtual machine, or ... () { unhook(); } #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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c# - Reading a file with FileStream and FILE_FLAG_NO_BUFFERING

A little background: I've been experimenting with using the FILE_FLAG_NO_BUFFERING flag when doing IO with large files ... } 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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187 views

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c# - Cannot convert from generic type to interface

I'm getting an error when trying to add generic object to a List<>. Its probably related to Covariance and ... similarly on _blocks.Add(block2); See Question&Answers more detail:os...

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

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489 views

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c# - Linear Gradient Brush Fade WPF

I have a brush that colors the background of a header. I like the way the brush looks but would like it to ... ="0.5"/> </LinearGradientBrush> 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# - Session containing items implementing IDisposable

In ASP.NET if items are left in the session state that Implement IDisposable but are never specifically removed and ... Dipose() will execute? 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# - Async with WPF properties

I have a bound property like this: public string MyPath { get { return _mypath; } set { _mypath = value; ... I have to use a property. See Question&Answers more detail:os...

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

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476 views

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c# - Calling a class in the same project from T4 template

I'm attempting to create some scaffolding for CRUD classes and would like use T4 to assist in building ... direction would be 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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511 views

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c# - How to implement an inherited Dictionary over WCF

I'm trying to implement a dictionary for use with WCF. My requirements are: actual (private variable or ... one dictionary to another. 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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