Recent questions tagged C#

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c# - At least one object must implement IComparable calling OrderBy()

I already saw this question, but i didn't find my happiness with the answers... I'm trying to do that: var coll ... <string> tags { 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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225 views

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c# - Playing a .WAV file in .NET

I'm trying to write a SAMPLER program, where each key has a different sound (a WAV file). Can someone ... Visual C# and using WinForms. See Question&Answers more detail:os...

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

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399 views

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c# - Calling MailChimp API v3.0 with .Net

I'm trying to access our MailChimp account via the new 3.0 REST API. I've done the following: using ... trouble with the authentication piece. 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 convert FlowDocument to rtf

I have used a WPF RichTextBox to save a flowdocument from it as byte[] in database. Now i need to ... RichTextBox only takes rtf. Thanks Arvind 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# - Test run errors with MSTest in VS2010

When I run my Unit Tests, all tests pass, but instead of "Test run succeeded" or whatever the success message ... ...stack trace in absurdum. See Question&Answers more detail:os...

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

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148 views

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c# - How to insert spaces between characters using Regex?

Trying to learn a little more about using Regex (Regular expressions). Using Microsoft's version of Regex in C# ... would be most 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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c# - Connecting to ACCDB format MS-ACCESS database through OLEDB

I've recently made another question about connecting to MS-ACCESS database with .NET in C# or VB.NET. It worked ... actually, a lot of) fields. 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# - How to load a class from a .cs file

Is it possible to load a class and create Instance of it from It's .cs file? I want to open a custom ... instance of it in my application 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 process multiple connections simultaneously with HttpListener?

In the application that I build, there is a need for webserver that can serve, simultaneously, multiple clients. For ... "); } the output 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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189 views

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c# - Is it ok to bubble up the exception to the top of the stack?

Is it ok to let exception bubble up to the top of the stack instead of catching it in every method?. ... bubble up to the OperationContract. See Question&Answers more detail:os...

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

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160 views

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c# - How can I save first frame of a video as image?

I want to extract first frame of uploaded video and save it as image file. Possible video formats are mpeg, ... creating an ASP.NET website. See Question&Answers more detail:os...

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

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212 views

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c# - Add query string as route value dictionary to ActionLink

I'm trying to create an ActionLink to export data from a grid. The grid is filtered by values from the ... Object%5D 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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222 views

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c# - How to catch ConfigurationErrorsException for violating maxRequestLength?

I am limiting file size users can upload to the site from Web.config. As explained here, it should throw a ... . What can be done here? See Question&Answers more detail:os...

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

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419 views

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c# - How to check whether a driver is installed?

I am working on a VPN project.. I have a small doubt regarding TUN/TAP. How do I programmatically check/detect ... installed on a system in 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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419 views

1 answer

c# - Rotating Cursor According to Rotated TextBox

I have a TextBox that I allow my users to rotate. But what I would LOVE for my users is to have their ... be greatly appreciated. Thank you :) See Question&Answers more detail:os...

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

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294 views

1 answer

c# - TimeZoneInfo from timezone minutes offset

From JavaScript I have passed, to the controller, the number of minutes that the user's client date time ... timezone using the minutes offset? 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# - String to Enum with Description

I am currently implementing an associacion of strings and enums based on this suggestion. That being, I have a ... but it throws an exception. See Question&Answers more detail:os...

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

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436 views

1 answer

c# - Using Simple Injector with Castle Proxy Interceptor

I'm using Simple Injector in my asp.net mvc 4 project. I can't figure out how can I use Simple Injector with castle proxy interceptor. 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

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c# - SerialPort UnauthorizedAccessException

Occasionally some of my integration tests are failing with the above message. I'm using the code below to ready ... it again? Thanks, Richard See Question&Answers more detail:os...

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

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183 views

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c# - Format DropDownList.TextValue

My stored procedure is like this SELECT Id, StudentName FROM xyz I have a drop down list in asp.net, which I ... StudentName. How can I 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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343 views

1 answer

c# - Entity Framework Core - Customise Scaffolding

In Entity Framework 6 we can add the T4 templates the scaffolding uses by running Install-Package EntityFramework. ... output from the scaffold? See Question&Answers more detail:os...

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

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351 views

1 answer

c# - Windows 7 Taskbar Icons Highlight Color

Can anyone explain how to calculate the highlight color based on dominant color in images like Windows-7 taskbar when ... item? Any c# 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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216 views

1 answer

c# - EF - Update multiple rows in database without using foreach loop

My test code: using (var db = new MyDbContext()) { string fromUser = ""; //sender string toUser ... ? Update multiple rows without looping See Question&Answers more detail:os...

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

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268 views

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c# - Regex to extract attribute value

What would be a quick way to extract the value of the title attributes for an HTML table: ... <li><a href="/ ... . I'm using C#. Thank you. See Question&Answers more detail:os...

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

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298 views

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c# - Understanding AttachThreadInput - detaching lose focus

i got a little problem fully understanding AttachThreadInput. I know it's "connecting" the message queue of 2 threads ... myself as by the user. 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# - Save Icon File To Hard Drive

I know that this must be incredibly easy - It's unbelievable how long I have searched for an answer to this ... figure it out. Thank you! See Question&Answers more detail:os...

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

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699 views

1 answer

c# - How to send page cut command to Epson printer

I'm trying to cut the paper pragmatically by sending paper cut command to the printer (Epson TM U220 with USB port). ... 't know how 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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307 views

1 answer

c# - how to get the last record number after inserting record to database in access

i have database in access with auto increase field (ID). i insert record like this (in C#) SQL = "insert ... how to use it 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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