Recent questions tagged c#

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c# - Database does not get updated with Attach method

I am trying to learn LINQ to SQL. I have successfully implemented insert method and data is getting inserted into ... Linq to SQL's DataContext? 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# - Json serialization for Object Data Type

public class MyClass { public object BidAutoObject { get; set; } public bool IsApplied { get; set; } } I ... string instead of full name space. 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# - MySql and inserting last ID problem remains

Ok after much reading and trying I still cant seem to get this to work: OdbcCommand cmd = new OdbcCommand("INSERT INTO ... is not active. } } } See Question&Answers more detail:os...

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

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445 views

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c# - Share expressions between Linq to Entities and Linq to Objects

I'm trying to "share" a set of conditions between a Linq to Entities call and a some other code, to reduce ... point me in the right direction? See Question&Answers more detail:os...

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

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571 views

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c# - Create Windows 7 Quick Launch

how to Create Windows 7 Quick Launch Icon With 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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629 views

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c# - Exceptions: When to use, timing, overall use

I'll try and ask my question so it doesn't end as a simple argumentative thread. I've jumped into an ... Thanks in advance for your 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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649 views

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c# - Draw parallel Line

I have a set of points representing a line. It might be a closed shape or an open one. I need to draw a ... ); } return final.ToArray(); } See Question&Answers more detail:os...

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

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611 views

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c# - Process.Start in WindowsSystem32 folder

Trying to launch a file located in System32 as administrator but it keeps telling me it doesn't exist. Error: ... to Any CPU corrected the issue See Question&Answers more detail:os...

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

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611 views

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c# - BitmapImage to byte[] Windows 8 metro (WinRT)

I want to convert BitmapImage to byte[] in windows 8 application. I know how to do it using windows sdk but ... array I'll appreciate 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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954 views

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c# - Print without Printer selection dialog

I want to print my crystal report directly, without printer selection popup. How can I do this ? myReportDocument ... (and only) printer. See Question&Answers more detail:os...

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

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593 views

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c# - How to dynamic adding rows into asp.net table?

How can I add rows in a table from server-side? if (!Page.IsPostBack) { Session["table"] = TableId; } ... got an idea about this issue? 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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678 views

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c# - Bulk Indexing in Elasticssearch using the ElasticLowLevelClient client

I'm using the ElasticLowLevelClient client to index elasticsearch data as it needs to be indexed as a raw ... but that seems inefficient. See Question&Answers more detail:os...

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

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790 views

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c# - .NET Core can't connect to remote SQL Server database

I have a .NET Core application as API. I can connect it to a local SQL Server database, but not to other ... -t {table to update} -force See Question&Answers more detail:os...

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

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705 views

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c# - How do I update a Label from within a BackgroundWorker thread?

When I used WinForms, I would have done this in my bg_DoWork method: status.Invoke(new Action(() => { ... . 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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525 views

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c# - How can I open another view in WPF MVVM using click handlers and commands? (Is my solution reasonable?)

I am writing a WPF application that has two windows. I have a MainWindowViewModel that holds two more view models: ... . Thanks for the advice. See Question&Answers more detail:os...

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

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604 views

1 answer

c# 4.0 - File.Copy with urls c#

It′s possible to use two urls with File.Copy with C#? I′m getting different errors : URI formats are not ... and the urls are http 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# - How to detect a Kill Process event

In C# i using process.Kill() kill a process, at the same time in killed application how to detect this ... event has not been fired! See Question&Answers more detail:os...

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

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807 views

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c# - Regular expression for recognizing url

I want to create a Regex for url in order to get all links from input string. The Regex should recognize the ... match.Index + match.Length; } See Question&Answers more detail:os...

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

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626 views

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c# - Serialize.Linq does not work in WCF proxy layer

I use Serialize.Linq for send and receive Expression<Func<>> query between Client and Server in WCF Application ... library in proxy layer ? See Question&Answers more detail:os...

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

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616 views

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c# - garbage collection Operation

Can someone please explain me how garbage collection is working? (I'm using C# and Java). See Question&Answers more detail:os...

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

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715 views

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c# - Alphanumeric Textbox - Validate/Sanitize clipboard text before paste

On my Textbox only accepts Alphanumeric characters and a underscore using the Keypressed event but I am having ... answers will help 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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779 views

1 answer

c# - Saving Bitmap as 32bpp doesn't keep transparency

using (var bmp = new Bitmap(image.Width, image.Height, PixelFormat.Format32bppArgb)) using (var g = ... bitmap format is Format32bppArgb. See Question&Answers more detail:os...

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

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659 views

1 answer

c# - how to move a control on mousemove in runtime?

I have a WinForm application, I'm trying to move a pictureBox in a Form using MouseMove Event, but i can't figure ... .Location = p; return p; } See Question&Answers more detail:os...

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

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685 views

1 answer

c# - How to find a child of a parent unmanaged win32 app

Basically I am looking for a win32 method to invoke in C# to set the focus to a children of an unmanaged ... win32 functions to solve 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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744 views

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c# - underline portion of text using iTextSharp

I have an application that uses itextsharp to fill PDF form fields. One of these fields has some text with ... LongDescWrapped_dt.Add(cnk); } See Question&Answers more detail:os...

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

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539 views

1 answer

c# - How to read/write on console at the same time using threads

I want to implemente a C# Console Application that runs a simulation. Also, I want to give to the user the ... C#). Thank you very much! See Question&Answers more detail:os...

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

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1.0k views

1 answer

c# - Using Microsoft.Office.Interop.Word in asp.net

I'm attempting to leverage the Microsoft.Office.Interop.Word dll in my asp.net application. Long story short ... Windows Server 2008 R2 Standard See Question&Answers more detail:os...

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

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564 views

1 answer

c# - How do I access a variable from the code behind of another page?

I have an index.aspx (index.aspx.cs) which will include the body.aspx (body.aspx.cs) using Server.execute("body. ... .aspx.cs, how to do 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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