Recent questions tagged C#

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c# - httpclient call to webapi to post data not working

I need to make a simple webapi call to post method with string argument. Below is the code I'm trying, but when ... value) { } please 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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c# - Windows Phone 7: How to parse Bezier Path string like in XAML?

I have a need to parse Bezier Path Strings, but apparently the System.Windows.Media.Geometryversion in the .Net CF ... ; path.Data = xamldata; 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# - Cant find my EF code first database

I am doing Microsoft's MVC getting started tutorial: Getting Started with Entity Framework 6 Code First using ... Management Studio? Any idea? 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# - Hide some datagridview checkbox cell

I have a datagridview showing installments of a loan. I created a datagridviewcheckbox column so then I can select ... to avoid using it. 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# - DataGridView selected rows to DataTable

I'm trying to add only the selected rows of a DataGridView to a DataTable, the code that I'm using always start ... [j, i].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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c# - how to add delete confirmation prompt for command field in detail view?

I want to prompt the user for confirmation when he tries to delete a record in a detail view? I have command filed in ... ;"; } } } } Anybody? 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# - Await multiple async Task while setting max running task at a time

So I just started to try and understand async, Task, lambda and so on, and I am unable to get it to work like ... maxThread.Release()); })); } 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# - Detect SQL database changes

Consider this example: INSERT INTO [Table] (column1) SELECT value1 If I were to execute this command in SSMS, ... the concept a little better? 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 show html contents with a RichTextBox?

I want to show html contents in my form. I tried to it with rich text box. rtBox.Text = body; but it ... in RichTextBox? I am using VS 2008. 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# - Load xml and xslt from embedded resource in Saxon 9.4he

I am using Saxon 9.4 home edition (Saxon-HE 9.4 .NET) to get support for XSLT 2.0 and XPath 2.0, ... (path); return stream; } } } 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# - Color Image Quantization in .NET

I want to reduce the number of unique colors of a bitmap in c#. The reason I want to do this is that an ... (opencv) solutions are good for me. 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# - Which control to use for quick text input (inputbox)?

I need a quick text input dialog box (MessageBox with a single text box in it). Is there any control ... 2 texboxes for username and password. See Question&Answers more detail:os...

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

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887 views

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c# - Click-to-edit in Silverlight

Is there a way to make a "click-to-edit" control in silverlight? I've got some items that will be displayed in ... . Anyone know 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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c# - Windows Phone 8 notifications and background tasks

I have searched the official forums and documentation and all other places, but haven't been able to find a concrete ... to my question, a NO? 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# - Is it safe to replace all standard event handler to WeakEventManager or its variants?

Standard event handler (with operator +=) is one of the memory leakage cause (if it is not unregistered/ ... should I consider or notice? 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 cast a System.Windows.Control WebBrowser.Document to an mshtml.MSHTMLDocumentClass?

I have a WebBrowser that loads inside a WPF window. I need to get the title of the web page ... System.Windows.Controls.WebBrowser Document? 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# - Failure sending mail via Google SMTP

I'm still getting "Failure sending mail." exception. The inner exception is "Unable to connect to the remote ... .WriteLine(ex.Message); } 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# - Parsing string for Domain / hostName

Out customers can enter websites from domain names. They also can enter mailadresses from their contacts. Know we ... should always be foo.com See Question&Answers more detail:os...

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

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871 views

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c# - Will .Net Garbage Collect an object that's not referenced, but has a thread that's doing work?

I have the following code (cut down for readability): Main Class: public StartProcess() { Thinker th = new ... before it's finished processing? 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

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c# - Data committed even though System.Transactions.TransactionScope.Commit() not called

Under what circumstances can code wrapped in a System.Transactions.TransactionScope still commit, even though an ... TransactionScope or not? See Question&Answers more detail:os...

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

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982 views

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c# - how to access winform components from another class?

i have a form with one button and two labels and i have a separate class called myCounter i want the myCounter class ... color code 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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876 views

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c# - Asp net core rc2. Abstract class model binding

In the RC1 I use the following code for abstract classes or interfaces binding: public class MessageModelBinder ... setting model 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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c# - How to capture whole Barcode value on Winform without using TextChanged event?

When a barcode is scanned on form1, I make a call to database to get the item for this barcode and open form2 with ... (I will hide it on UI) 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# - DataGridView: How to select an entire Column and deselect everything else?

I've been trying to find out how to select all cells under a Column with a 'mouse right ... DataGridViewColumnSortMode.Automatic. Thanks, Y_Y See Question&Answers more detail:os...

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

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1.5k views

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c# - Microsoft.Graph send mail with attachment

using Microsoft.Graph IMessageAttachmentsCollectionPage Message.Attachments I can not seem to get this to take any "ContentBytes" ... " } } }; See Question&Answers more detail:os...

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

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890 views

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c# - Create PDFs with Images in wp8

I am making an app in which I want to create pdfs out of the images I store in the Isolated storage. Many ... How shall I proceed for 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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1.2k views

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c# - Parse XML with LINQ to get child elements

<?xml version="1.0" standalone="yes"?> <CompanyInfo> <Employee name="Jon" deptId="123"> <Region name= ... ? Any help is 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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795 views

1 answer

c# - Set connection string of membership dynamically from code

I am having a .net web application which uses membership for users validations. The membership has a definition in ... that? 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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