Recent questions tagged .NET

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.net - Expected cross-thread exception in a C# WinForms application did not occur

I'm coming from WPF and I am new to WinForms. While investigating a cross-threading situation, a cross-thread ... as in Visual Studio 2010. See Question&Answers more detail:os...

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

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.net - Click event on div in asp.net

I have a div in default.aspx with img inside as follow <div id="sTab" class="tabs firsttab" runat=" ... ClickDiv function..What 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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.net - Could not load file or assembly X or one of its dependencies. is not a valid Win32 application. (HRESULT: 0x800700C1)

OS: Windows 8.1 64 I tried to play multiple sounds in VB.Net with DirectX, there are no errors in my code. The ... is set to x86! Why is 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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745 views

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.net - C# variable initializations vs assignment

In a book I found following (translation): Initialization means assigning the value of the variable at the ... Thanks for any information. See Question&Answers more detail:os...

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

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722 views

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.net - C# Shell - IO redirection

I am writing a replacement Windows shell in C#, and the feature I am currently implementing is having all IO inside ... is worth 2^3 words: See Question&Answers more detail:os...

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

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.net core - Could not find member '@odata.type' on object of type 'TeamMemberSettings'

I am using the example from docs to add a team to existing 365 group. the line: await graphClient.Groups[GroupID]. ... 2.2? Thanks 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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.net - C# : How to change windows registry and take effect immediately

I am trying to make a application that can change registry values. I Can Change registry Values well but ... like as wallpaper and others. See Question&Answers more detail:os...

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

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832 views

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.net - Get Tables and Relationships

Is there a way to get a list of tables and relationships from an EDMX using the MetadataLoader? See Question&Answers more detail:os...

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

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.net - How to stop a Windows Forms Button being clicked twice

I've got a Windows Forms Button on a Form which submits a web request. I want to be able to disable the ... far simpler solution to my 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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.net - Execute multiple dependent SSH commands using SSH.NET in C#

I want to change directory inside SSH using C# with SSH.NET library: SshClient cSSH = new SshClient("192.168.80. ... ; but still is not working. See Question&Answers more detail:os...

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

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893 views

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.net - Use DLL resources for WPF MediaPlayer

In my project I have a DLL for some WPF/XAML controls that need to play some audio files. Now, with SoundPlayer I ... 't work for a DLL project. See Question&Answers more detail:os...

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

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935 views

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.net - Enumerable.Range implementation

What is the precise implementation of Enumerable.Range in .Net; preferable .Net 4? Is it a yielded for-loop ... (IEnumerable, IEnumerator) or? See Question&Answers more detail:os...

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

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700 views

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.net - C#: How to know whether certain Office 2003 or 2007 application is installed?

I need to know whether Microsoft Word, Excel, Outlook, Project, etc are installed in a Windows Forms .net ... technique with the COM wrappers? See Question&Answers more detail:os...

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

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688 views

1 answer

.net - The Dialog Form remembers last button focus. How to reset it?

I have a custom form which is open as Form.ShowDialog() This form acts as a confirmation form. It asks a question ... "Canceled." End If End If See Question&Answers more detail:os...

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

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958 views

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.net - Render winforms controls more smoothly

My winforms application is rendering very choppy. Is there a technique that can be used to either draw a form ... do any custom painting myself. See Question&Answers more detail:os...

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

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733 views

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.net - Multiple Connections With Same Connection String Under A Single Transaction, Elevated Transaction?

When using ado.net, and creating multiple connections to a MS SQL Server database within a single transaction ... completely useless, IMO. See Question&Answers more detail:os...

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

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869 views

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.net - Stretch video of AxWindowsMediaPlayer without maintaining aspect ration in C#

Using the AxWindowsMediaPlayer I need to stretch a video to take up the entire screen. The issue with stretchToFit ... ago with no answers. See Question&Answers more detail:os...

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

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729 views

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.net - How to select the next and previous entities via Entity Framework?

I have a web app that displays the details of some entity, let's call it Log. The entity is loaded from SQL Server ... of Logs (id, title, etc). See Question&Answers more detail:os...

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

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799 views

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.net - C# How to add a code to execute at Runtime

I know this requirement may seem weired to many of you but it is one of my project requirement. Is it possible to ... ? I am using framework 1.1 See Question&Answers more detail:os...

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

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1.1k views

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.net - Populate C# DataTable Asynchronously

I'm adding async implementations to all my SQL base classes used in my WebAPI projects. I'm fairly new to the TAP ... ; return tb; } } } 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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953 views

1 answer

.net - WebClient UploadFile errors

I am trying to upload files to a web server using System.Net.WebClient.UploadFile but I keep getting a WebException ... is pretty much the same. See Question&Answers more detail:os...

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

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1.3k views

1 answer

.net - C# Convert Bitmap to indexed colour format

How can I convert a 24-bit colour System.Drawing.Bitmap to an indexed (256-colour) format? I'm having ... -colour palette from an Bitmap ? See Question&Answers more detail:os...

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

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841 views

1 answer

.net - ObjectContext.SaveChanges() violates primary key, throws UpdateException?

Paraphrasing from this MSDN documentation ... An INSERT statement is generated by the Entity Framework and executed ... ideas or suggestions? See Question&Answers more detail:os...

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

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771 views

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.net - FTP multiple files in C# without reestablishing connection

The FTP protocol is designed to support a control channel, and use that control channel to tell the server ... advice is appreciated. -Scotty 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

1 answer

.net - Getting all FTP directory/file listings recursively in one call

I'm creating a backup program that backs data up to FTP. To archive effectively, I need to do several file ... other than roll my own 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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969 views

1 answer

.net - Could not establish secure channel for SSL/TLS: how to enable TLS on windows server 2008

This question is related to an answer on another question. The person with the correct answer writes: In our case, ... to do to enable TLS? See Question&Answers more detail:os...

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

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994 views

1 answer

.net - C# UITypeEditor with Parameter

I have created a custom UITypeEditor which launches a form (StringSelector) to display a list of strings which the user ... = 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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944 views

1 answer

.net - MSChart - Auto Zoom Y Axis on X Axis Zoom

I'm using MSChart and I want to enable zoom on the X Axis and once this is zoomed I want the Y ... problem would be greatly appreciated! 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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