Recent questions tagged C#

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c# - LINQ To Entities Include + Where Method

I have NxN table, imagine: User(id, ...) <- UserAddresses(id, userId, addressId, enabled, ...) -> Addresses( ... can help me to do this query? 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# - DirectorySearcher Filter

When I run this query // Next row is used to login to AD DirectoryEntry entry = GetEntry(domain, adminUser, ... remove (objectClass=user) part) 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# - String contains another two strings

Is it possible to have the contain function find if the string contains 2 words or more? This is what I'm ... and get it into a TryParse? 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# - Issues compiling in Windows 10

I have identified an issue related to building apps that use C:WindowsSystem32CertEnroll.dll as a reference. ... broke backward compatibilty? 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# - Applying css on asp.net FileUpload Control's Browse Button only

I have a FileUpload Control like this <asp:FileUpload ID="fileuploader" runat="server" /> Now I want to apply css ... part How can I 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# - Is there an in memory stream that blocks like a file stream

I'm using a library that requires I provide an object that implements this interface: public interface IConsole { ... stream I could use? 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# - ASP.Net Inproc session restarted after markup change in VS2012

I upgraded my development machine to Windows 8 and Visual Studio 2012. I'm testing my ASP.Net applications ... 0 with NetworkService as Identity 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# - Clear Console Buffer

I'm writing a sample console application in VS2008. Now I have a Console.WriteLine() method which displays ... the application from exiting? 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 Rotate a 2D Array of Integers

I am programming a Tetris clone and in my game I store my tetromino blocks as 4x4 arrays of blocks. I now need ... 0 0 0 Thanks 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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c# - how to get smartphone like scrolling for a winforms touchscreen app ( scrolling panel )

After scouring the articles online I have come up with this design for a winforms based touchscreen app that needs ... e.Location; //IMPORTANT } 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 apply migrations from code (EF Core)

How to apply migrations from code for EF6 work code Database.SetInitializer<CmContext>(null); var settings = new ... make similar in EF Core? 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# - Textbox Keydown event not firing when arrow key press

I have a datagrid with one column as DataGridTemplateColumn as follows : <my:DataGrid Name="dgvSales" RowHeight="23" ... did wrong in my code ? 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# - Get Method Name Using Lambda Expression

I'm trying to get the name of a method on a type using a lambda expression. I'm using Windows Identity ... of thing without using magic strings? 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# - CS0120 error under vs2010 beta 2 - object reference is required

the following code used to work fine under vs2008: namespace N2.Engine.Globalization { public class DictionaryScope : ... End(); } #endregion 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# - Specifying the return type of an abstract method from a Base Class according to a Sub Class

I have the following structure: abstract class Base { public abstract List<...> Get(); //What should be the generic ... <SubTwo> Get() { } } See Question&Answers more detail:os...

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

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188 views

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c# - ASP.NET Generic Handlers & Session

I have an issue with GenericHandler and anonymousIdentification. Basically if <anonymousIdentification enabled="true" / ... really frustrating! See Question&Answers more detail:os...

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

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153 views

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c# - .NET Parameter passing - by reference v/s by value

I'm trying to validate my understanding of how C#/.NET/CLR treats value types and reference types. I've read so ... I have come to the Stackers. See Question&Answers more detail:os...

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

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332 views

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c# - How to pick a background color depending on font color to have proper contrast

I don't know much about color composition, so I came up with this algorithm that will pick a background ... new NotSupportedException(); } } See Question&Answers more detail:os...

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

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225 views

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c# - .net native extension for node.js

I want to make use of .net dlls in node.js. Does that mean I need to make those dlls available with c/c ... , although google makes me doubt 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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257 views

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c# - Cannot get regular expression work correctly with multiline

I have a quite big XML output from an application. I need to process it with my program and then feed ... between these tags without regexp? See Question&Answers more detail:os...

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

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132 views

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c# - What is the proper way to ensure a SQL connection is closed when an exception is thrown?

I use a pattern that looks something like this often. I'm wondering if this is alright or if there is a best ... ) { _conn.Dispose(); } } See Question&Answers more detail:os...

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

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141 views

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c# - Can i use regex to find the index of X?

I have a big string, and want to find the first occurrence of X, X is "numberXnumber"... 3X3, or 4X9... How could i do this in 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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c# - 'PDFsharp cannot handle this PDF feature introduced with Acrobat 6' error while opening PDF file

I use PDFsharp (v1.32) for merging several PDF files. I open documents using this code: PdfDocument inputDocument = ... going to "fix 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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193 views

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c# - How to convert string[] to ArrayList?

I have an array of strings. How can I convert it to System.Collections.ArrayList? See Question&Answers more detail:os...

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

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455 views

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c# - Static readonly vs const — different assemblies POV?

There are many questions about this subject , but none (except one but still a short one) are dealing with the ... problem "behind the scene" ? See Question&Answers more detail:os...

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

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282 views

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c# - What is a unified type system?

I've read a comparison of C# and Java and the first thing on the list is "Single-root (unified) type ... -root (unified) type system means? See Question&Answers more detail:os...

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

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384 views

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c# - What does the assembly keyword mean in the AssemblyInfo.cs. Does it permit to use method inside?

Saw some code snippet inside AssemblyInfo.cs like [assembly: someattributename] What does this code mean? I even ... this the attribute anymore? See Question&Answers more detail:os...

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

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348 views

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c# - Center text at a given point on a WPF Canvas

I have a Controls.Canvas with several shapes on it and would like to add textual labels that are centered on ... when I construct the Canvas. See Question&Answers more detail:os...

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

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