Recent questions tagged C#

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c# - Find window with specific text for a Process

I'm trying to find if a window with specific has been open by a Process. That process spawns multiple windows, ... in the taskbar or so. 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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174 views

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c# - Type member support in LINQ-to-Entities?

I have an MVC3 project using the Entity Framework model in which I've marked up a class like this: public ... everyone for the valuable input. See Question&Answers more detail:os...

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

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190 views

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c# - How can I pass string value for "asp-for" in asp net 5

I want to write a Edit.cshtml file for an entity with many properties to edit, so I have to write the following ... do? Is it possible in razor? 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# - drag and drop cell from datagridview to another

I have 2 datagridviews and i want to copy cells from the datagridview1 to datagridview2 (a cell at a ... (this.dataGridView2_DragEnter); // See Question&Answers more detail:os...

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

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205 views

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c# - How to know if a field is numeric in Linq To SQL

I need to select the rows of a table where a column value is numeric, any Help? EDIT: I have a varchar ... it cannot be translate to SQL. See Question&Answers more detail:os...

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

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256 views

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c# - ValidationRule for WPF Textbox

I am newbie to WPF.In my UserControl,I have 8 labels and its respective 8 textboxes as follows: 1.Label : ... each textbox?? Any you inputs?? 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# - Programming Contest Question: Counting Polyominos

Please see my own answer, I think I did it! Hi, An example question for a programming contest was to write a program ... ]; } } return ret; } } See Question&Answers more detail:os...

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

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394 views

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c# - Eager load a self-referencing table

I have a standard self referencing table of Categories. In my entity model I have made associations Children and Parent. ... 't do what I want. 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

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c# - poor performance with sqlparameter

I have a web service, so the handler is called multiple times concurrently all the time. Inside I create ... where to investigate the problem. See Question&Answers more detail:os...

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

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467 views

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c# - selecting combobox item using ui automation

how do I select ComboBox's SelectedIndex = -1? I wrote a code to automate testing: AutomationElement ... I use this SelectionItemPattern? See Question&Answers more detail:os...

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

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360 views

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c# - 32 bit dll importing in 64 bit .Net application

I'm having a problem, I've been trying to solve it since yesterday but no luck. I have a 32-bit Delphi ... 32-bit) or maybe another solution? See Question&Answers more detail:os...

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

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332 views

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c# - How can I set and get the value of a dropdownlist in a grid in Kendo UI MVC?

I'm working with KendoUI MVC in MVC3. I managed to get a dropdown in a grid column. But I have ... ") .BindTo(ViewBag.CommunicationTypes)) See Question&Answers more detail:os...

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

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237 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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365 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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335 views

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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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320 views

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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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260 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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354 views

1 answer

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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236 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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313 views

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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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289 views

1 answer

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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202 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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244 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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201 views

1 answer

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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402 views

1 answer

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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311 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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265 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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280 views

1 answer

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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