Recent questions tagged C#

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c# - How to Show AutoComplete Programmatically without entering a text

C# TextBox AutoCompleteCustomSource has a List<string>, AutoCompleteMode = Suggest. I can see the List when ... .Visible = false; 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# - WPF window border acting weird with Ribbon Control

I am using the Ribbon control in WPF and I noticed there are 2 different versions. using Microsoft.Windows. ... close my windows this 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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c# - Multiple item combo box with headers in resource dictionary?

I have followed the accepted answer of this question to define a multi-column combobox with headers. It was ... happily accept the 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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c# - Eval check for DBNull doesnt work

<%# Eval("Description") == DBNull.Value ? "empty" : "notempty"%> is showing always 'notempty' even there is ... notempty... what's wrong 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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c# - Using jQuery AJAX to call ASP.NET function in control code-behind instead of page code-behind

I have a user control that I'm creating that is using some AJAX in jQuery. I need to call a function in ... "GetResult" but that didn't work. 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# - Wrapping rate limiting API call

I have access an API call that accepts a maximum rate of calls per second. If the rate is exceeded, an exception ... possible? Thank you a lot! 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# - Unable to style WPF ComboBox on Mouse Hover

Does anyone know how to style the background property of a WPF ComboBox when a mouse is hovering on top of ... like background off the ComboBox. 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# - PartialInputStream during Bouncycastle PGP decryption

I am tryng to decrypt a file I just encrypted using bouncycastle, but im getting this exception: Premature end of ... other 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# - .NET compression of XML to store in SQL Server database

Currently our .NET application constructs XML data in memory that we persist to a SQL Server database. The ... varbinary? 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# generic with slight difference for types?

Notice the two extensions, one for float, one for Vector3. Notice there's only a slight difference in the var( ... extensions, here's an intro.) See Question&Answers more detail:os...

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

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921 views

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c# - Why aren't Automatic Properties inlined by default?

Being that properties are just methods under the hood, it's understandable that the performance of any logic ... would be introduced regardless. See Question&Answers more detail:os...

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

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959 views

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c# - Shake an object back and forth with easing at the end?

I almost want a jarring animation, such that it shakes back and forth rapidly for a second, and then slows back ... with a function that slows? 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# - VS 2010 Load Tests Results with custom counters

I am new on Load Testing (and in general, testing) with visual studio 2010 and I am dealing with several ... Response Time). Is that possible? 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 report progress from FileStream

I want report progress of encrypting file this is my code how can I do this? using (FileStream ... source.CopyToAsync(cryptoStream); } 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# - Fiddler - ReadResponse failed: The server did not return a response for this request

This was the first time I encountered this kind of error after dealing with RESTful web service in couple of ... return json object.. 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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922 views

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c# - Deserialization / model binding in MVC4 webapi does not work with arrays

I'm using the new WebApi which is part of MVC4 beta. I have the following class: public class Voucher { public ... what I might be 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# - There is a duplicate 'entityFramework' section defined - EntityFramework6 upgrade

I have recently updated EntityFramework in my WebAPI project from v5 to v6. Unfortunately it seems like somewhere, ... > </configuration> < See Question&Answers more detail:os...

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

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953 views

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c# - Selecting an item from AutoComplete suggestion list raises KeyDown-event with ENTER key

In Winforms I have a textbox with AutoCompleteMode set to SuggestAppend and a AutoCompleteCustomSource set. When the ... item with the mouse? See Question&Answers more detail:os...

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

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857 views

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c# - How does one invoke the Windows Permissions dialog programmatically?

I'm trying to write a certificate manager, and I want to manage the permissions over the certificate file. I ... Any help 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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c# - Send parallel requests but only one per host with HttpClient and Polly to gracefully handle 429 responses

Intro: I am building a single-node web crawler to simply validate URLs are 200 OK in a .NET Core ... add satisfaction of requirement #2? 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 do I store multiple results from a stored procedure into a dataset?

How do I combine to result sets from a StoredProcedure into one dataset in ASP.NET? Below is my code in ... the results into one dataset? See Question&Answers more detail:os...

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

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981 views

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c# - Is 'yield return' slower than "old school" return?

I'm doing some tests about yield return perfomance, and I found that it is slower than normal return. I tested value ... {0}", elapsedTime); } } 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# - Limit text size in GridView column

I have an asp:GridView declared as follows: <asp:GridView runat="server" id="dg_myprojects" AllowSorting="true" ... I'm trying 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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c# - Ramifications of CheckForIllegalCrossThreadCalls=false

I recently updated an application from VS2003 to VS2008 and I knew I would be dealing with a host of ... possible solutions SO Question 2367718 See Question&Answers more detail:os...

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

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986 views

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c# - How to invoke javascript functions in a WebView in Universal Windows App

I am new in Universal app development. Can any one help me into following code, I have load one website ... is simulator creating 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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1.2k views

1 answer

c# - Current line and column numbers in a RichTextBox in a Winforms application

How do I get the current line and column numbers in a RichTextBox in a Winforms application? NOTE Folks, I just ... have to buy a control... See Question&Answers more detail:os...

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

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985 views

1 answer

c# - How invoke method for a method by default value for parameters by reflection

I have need to invoke a method by default value parameters. It has a TargetParameterCountException by this ... default value for parameters? See Question&Answers more detail:os...

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

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1.1k views

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c# - Multithreading System.Windows.Graphics

I know of course that I can not draw onto the same Graphics object from different threads, but is it also ... locking on a static 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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