Recent questions tagged C#

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c# - Cast Entity to Implemented Interface in a Generic Method Using LINQ for Entity Framework

I have a generic method to query objects of type TEntity in EF. I Want to add a condition as a where ... go around this limitation of LINQ? See Question&Answers more detail:os...

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

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563 views

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c# - Detect when WPF listview scrollbar is at the bottom?

Is there a way to detect if the scrollbar from the ScrollViewer in a ListView has reached the bottom of the virtual ... of the box). 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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252 views

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c# - Add backslash to string

I have a path and I want to add to it some new sub folder named test. Please help me find out how to do ... help me find out the right 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# - A to Z list of char from Enumerable.Range

I want to make a list from Enumerable.Range. Is this code correct? SurnameStartLetterList = new List<char>(); ... make this type of list? See Question&Answers more detail:os...

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

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373 views

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c# - Rabin Karp string matching algorithm

I've seen this Rabin Karp string matching algorithm in the forums on the website and I'm interested in trying to ... WriteLine("Not copied!"); } 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# - "Renci.SshNet.Common.SshException: Invalid private key file" when loading SSH private key from configuration string using SSH.NET

I'm trying to send a file to some server using SFTP. During this process I'm getting the exception Renci. ... ? Any help is much 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# - Why does my destructor never run?

I have a blank Winform with a destructor method public partial class Form1 : Form { public Form1() { System ... has been garbage collected ? See Question&Answers more detail:os...

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

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228 views

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c# - Multiple SQL Server connection strings in app.config file

I'm interested in displaying in a Windows Forms app a list of N radio buttons for the user to choose a target ... do this in a different 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# - How to access html controls in code behind

I'm trying to follow this example on how to validate credentials. However, it uses asp: controls for the ... of UserName.Text, Password.Text? 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 possible to create a custom ASP.NET MVC strongly typed HTML Helper?

I was wondering if it is possible to create a custom strongly typed HTML Helper in ASP.NET MVC 2? Creating a ... , Thank you in advance! JP See Question&Answers more detail:os...

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

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585 views

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c# - Read boolean values from DB?

In C#, using SqlDataReader, is there a way to read a boolean value from the DB? while (reader.Read()) { ... true's and false's." 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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283 views

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c# - Async all the way down?

Trying to understand the new async/await pattern, I have one question which I can't find an answer to, namely ... you use the await keyword. See Question&Answers more detail:os...

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

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618 views

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c# - How to call Oracle stored procedure which returns ref cursor

I am trying to call Oracle stored procedure which returns ref cursor, and i need to generate tree view from ... in call to 'OBJECT_HIERARCHY'" See Question&Answers more detail:os...

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

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904 views

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c# - Get CultureInfo object from country name or RegionInfo object

Given a specific country code, e.g. "CH", how can I get a CultureInfo object? The specific country code is ... what I'm trying to achieve. See Question&Answers more detail:os...

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

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315 views

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c# - Windows Event Log - how to register an event source?

I am creating a new event source and logging a message using the code below: static void Main(string[] args) { ... node. What am I 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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289 views

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c# - List<string> Simple Group and Count?

I have a very simple List<string> setup which contains lots of single characters per item (IE a foreach would console ... 4 if that's 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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346 views

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c# - PDB files for production app and the "Optimize code" flag

When should I include PDB files for a production release? Should I use the Optimize code flag and how would that ... done for a production app? See Question&Answers more detail:os...

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

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421 views

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c# - Why are values stored in an NVARCHAR column sometimes padded with trailing spaces?

An app I'm working on is storing Unicode strings in an NVARCHAR(50) column in an SQL Server 2005 database. ... are getting padded with spaces. See Question&Answers more detail:os...

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

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448 views

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c# - Add Header and Footer to an existing empty word document with OpenXML SDK 2.0

I'm trying to add a Header and Footer to an empty word document. I use this code to add Header part in ... correctly ? 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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460 views

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c# - How to AutoDetect/Use IE proxy settings in .net HttpWebRequest

Is it possible to detect/reuse those settings ? How ? The exception i'm getting is This is the exception ... \Application1\Program.cs:line 33" See Question&Answers more detail:os...

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

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345 views

1 answer

c# - Mocking 'System.Console' behaviour

Is there a standard way of making a C# console application unit-testable by programming against an interface, ... to the standard output? See Question&Answers more detail:os...

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

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510 views

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c# - Await new Task<T>( ... ) : Task does not run?

A continuation of a question asked here : In the aforementioned question I have the following function which ... returned by this function? See Question&Answers more detail:os...

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

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270 views

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c# - How to implement HttpMessageHandler in Web API?

In an ASP.NET 4.5 MVC 4 Web API project, I want to add a custom HttpMessageHandler. I've changed WebApiConfig ... /538387 , doesn't help 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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229 views

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c# - Using the Razor view engine in a different way

I thought it would be interesting if I could use the new MVC Razor View engine as a mail merge technology. ... http://razorengine.codeplex.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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357 views

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c# - If the left operand to the ?? operator is not null, does the right operand get evaluated?

I'm looking at using the ?? operator (null-coalescing operator) in C#. But the documentation at MSDN is ... -hand operand ever get evaluated? See Question&Answers more detail:os...

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

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408 views

1 answer

c# - This request is not authorized to perform this operation. Azure blobClient

I have the following code to return a list of containers using the WindowsAzure.Storage nuget package: public ... get past this error 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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967 views

1 answer

c# - TreeView ignore double click only at checkbox

I have a treeview with checkbox, I'm trying to disable the double click only when this is done in the ... appreciate if you can help 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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334 views

1 answer

c# - Mouse capture is failing?

I want to be able to access the coordinates of the mouse whether or not the cursor is over the window of my ... base.OnMouseMove(e); } } } See Question&Answers more detail:os...

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

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