Recent questions tagged C#

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c# - HttpWebRequest Unable to download data from nasdaq.com but able from browsers

I am trying to download this website csv file, the file small only take like 2 seconds to download with ... = client.DownloadString(address); } See Question&Answers more detail:os...

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

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846 views

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c# - PictureBox - Handle Click Event on Non-Transparent Area of Image

I have to make a windows form in C# where two PictureBox are overlapping. TopPictureBox is containing a transparent ... ; Thank You for 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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366 views

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c# - Getting the index of the selected RadioButton in a group

I have got a reference to a RadioButton rb1. How can I get the index of the selected RadioButton in rb1 ... Any help will be greatly 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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388 views

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c# - Read data from Excel files

I'm having some trouble reading from an Excel spreadsheet in C#. I have this code which I read every cell from A to X. ... a a a a a a a a See Question&Answers more detail:os...

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

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380 views

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c# - Run code on WPF form close

How can I automatically run some code when a WPF form is closed? See Question&Answers more detail:os...

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

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559 views

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c# - ListBoxFor not letting me select multiple items MVC

When I run the code, I can only select one item at a time, that's weird because 'ListBoxFor()' is used to select ... () }; return 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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718 views

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c# - The type or namespace name 'Windows' could not be found

I am trying to use filepicker for my hololens app. But I can't use it because my project can't add the ' ... anyone help me on this? 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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284 views

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c# - Entity Framework One-to-Many with Default

I'm trying to do a one-to-many relationship in Entity Framework where one of the many items is optionally ... Any ideas? 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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c# - Read line by line a large text file and search for a string

I am currently developing an application that reads a text file of about 50000 lines. For each line, I need to ... time to read a single line? 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 handle downloading in GeckoFX 29

How can I handle downloading in GeckoFx I'm using version 29 I've found some ways like adding event of ... handle downloading in GeckoFx 29? 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

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c# - Generate RegEx from matches

I want to generate RegEx Pattern from a given matches for example i want to get <b>d+<> from the following array of ... b>5</b> ... any ideas? See Question&Answers more detail:os...

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

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631 views

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c# - .NET equivalent of Java's BufferedReader

I have that code in Java public void read() throws IOException { BufferedReader in = new BufferedReader(new ... (with UTF8) 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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382 views

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c# - EntityFramework 6 Code-based configuration of connection string for database-first

I'm attempting to make an existing application work without an app.config (it is required due to a very specific ... Why? What am I missing? See Question&Answers more detail:os...

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

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410 views

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c# - Compile assembly in runtime and save dll in a folder

This is my code: Microsoft.CSharp.CSharpCodeProvider provider = new CSharpCodeProvider(); ICodeCompiler compiler = provider. ... /Temp/' folder. 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# - NUnit Mocking not working for Singleton Method

Bear with me, I'm new to NUnit. I come from the land of Rails, so some of this is new to me. I have a ... I doing wrong? NUnit version: 2.2.8 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

1 answer

c# - Accessing data in a Frame or Iframe with IE plugin Browser Helper Object (BHO)

I am writing an IE plugin that wrap phone numbers in a link that connects to a phone system and dials that ... IE using a Browser Helper 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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629 views

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c# - EmguCV - Face Recognition - 'Object reference not set' exception when using training set from Microsoft Access Database

I've been developing a face recognition application using EmguCV (C#). I got the whole thing working okay ... images from windows folder? See Question&Answers more detail:os...

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

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471 views

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c# - Resharper custom search pattern to warn IDisposable objects

Since resharper still doesn't give out any warning regarding objects implementing IDisposable, I'd like to create some ... 't find it though. See Question&Answers more detail:os...

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

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379 views

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c# - how to pass List<Object> to WCF

I have already configured my Service Reference and set my collection to Generic.List . When i fill the List<Objects ... List<String> to WCF? 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 release excel process?

I'm using the Excel interop and it seems to be creating a process every time I call new Microsoft.Office.Interop ... I get the processes to end? See Question&Answers more detail:os...

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

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645 views

1 answer

c# - Is there a limit for RSA key exponents in .NET?

Using C# I cannot import a public RSA key with an exponent of {1, 0, 0, 0, 15}: There is an ... } the import will succeed. Regards Thomas See Question&Answers more detail:os...

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

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449 views

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c# - How to deserialize a node in a large document using XmlSerializer

I have a large XML document that I have loaded into an XmlDocument and I want to use the XmlSerializer class to ... makeField = value; } } } See Question&Answers more detail:os...

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

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499 views

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c# - Blocking access to site by banned IP addresses

I have a list of IP addresses of bots/hackers that are constantly attacking one of my sites. I want to block ... Site is running on Server 2003. See Question&Answers more detail:os...

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

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435 views

1 answer

c# - Windows 8 app - MediaElement not playing ".wmv" files

I have an issue with MediaElement in my Win8 app - when I try to play some ".wmv" files from local library ... s wrong here? 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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346 views

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c# - Silverlight numeric textbox?

I tryed to create my own numeric textbox here is my code: public class NumericTextBox : TextBox { public ... threw OnKeyUp or OnKeyDown... 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

1 answer

c# - Screen scraping web page after delay

I'm trying to scrape a web page using C#, however after the page loads, it executes some JavaScript which ... it says 187 properties found. See Question&Answers more detail:os...

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

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638 views

1 answer

c# - Wait Cursor in VSTO word add-in application

I am creating a VSTO word add in. i'm starting a long elaboration from ThisAddin and i would like to change the ... ideas on how 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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399 views

1 answer

c# - Azure Active Directory Graph Client 2.0 - Context is not currently tracking the entity

I have recently installed the Azure Active Directory Graph Client Library 2.0.2 Nuget package and am unable to ... would be much 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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