Recent questions tagged C#

0 votes

496 views

1 answer

I have managed to get the connected clients IP with the code below but can't seem to get the hostname. ... .RemoteEndPoint).Address.ToString()); See Question&Answers more detail:os...

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

0 votes

426 views

1 answer

c# - LINQ side effects

is it possible to substitute a foreach loop with a lambda expression in LINQ (.Select))? List<int> l = {1, 2 ... Select(/* print to console */); See Question&Answers more detail:os...

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

0 votes

312 views

1 answer

c# - .NET inherited (WinForms) Form - VS designer issue

I have several forms in a C# application. I use Visual Studio 2010 Beta, but .NET 3.5 and C# 3. I have ... Beta? Or am I doing something wrong? See Question&Answers more detail:os...

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

0 votes

263 views

1 answer

c# - how to get current application path in wpf

public XML() { this.InitializeComponent(); XmlDocument document_name = new XmlDocument(); XmlElement student = document_name ... help me... See Question&Answers more detail:os...

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

0 votes

408 views

1 answer

c# - Compiler error "Default parameter specifiers are not permitted"

Below is my code. public class PItem { public String content; public int count; public int fee; public int amount ... can I solve this error? See Question&Answers more detail:os...

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

0 votes

228 views

1 answer

c# - Why doesn't this code demonstrate the non-atomicity of reads/writes?

Reading this question, I wanted to test if I could demonstrate the non-atomicity of reads and writes on ... breaks it virtually instantly. See Question&Answers more detail:os...

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

0 votes

583 views

1 answer

c# - Custom email confirmation token

I'm using the Identity 2.0 framework for user management. Unfortunately, in my use case an account activation/ ... to what I already did? See Question&Answers more detail:os...

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

0 votes

274 views

1 answer

c# - Shortcut to instantiate an object in Visual Studio

I have a class with more than 8 properties, and I often want to instantiate it in some method, but it is ... , Resharper. Thank you very much. See Question&Answers more detail:os...

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

0 votes

778 views

1 answer

c# - How to set "AutoSize" to Excel sheet column? (NPOI)

According to How can columns be set to 'autosize' in Excel documents created with NPOI? I did so: foreach ( ... work. How to do right? See Question&Answers more detail:os...

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

0 votes

470 views

1 answer

c# - Specific cast is not valid, while retrieving scope_identity

I am getting exception: "Specific cast is not valid", here is the code con.Open(); string insertQuery = @" ... = (int)cmd.ExecuteScalar(); See Question&Answers more detail:os...

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

0 votes

262 views

1 answer

c# - Deserialization exception: Unable to find assembly

I'm serializing some data like fields and custom class to create a binary data (byte array). Then I want ... same class in both assemblies. See Question&Answers more detail:os...

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

0 votes

747 views

1 answer

c# - Mocking a DataReader and getting a Rhino.Mocks.Exceptions.ExpectationViolationException: IDisposable.Dispose(); Expected #0, Actual #1

I'm trying to mock a SqlDataReader SqlDataReader reader = mocks.CreateMock<SqlDataReader>(); Expect.Call(reader.Read ... am I missing something? See Question&Answers more detail:os...

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

0 votes

302 views

1 answer

c# - Invalid characters in File.ReadAllText

I'm calling File.ReadAllText() in a program designed to format some files that I have. Some of these files contain ... and how can I fix it? See Question&Answers more detail:os...

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

0 votes

253 views

1 answer

c# - Looping through a list of Actions

I can't understand how to loop through an Action list. When I try it, I end up with the values being the ... output which would be: abc def ghi See Question&Answers more detail:os...

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

0 votes

233 views

1 answer

c# - I need to access a non-public member (Highlighted Item) of a Combo Box

I am implementing Key Navigation for an application and I want to override the space key functionality when a Combo ... way of achieving this? See Question&Answers more detail:os...

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

0 votes

263 views

1 answer

c# - NullReferenceException in DbContext.saveChanges()

Taking my very first babysteps with Entity Framework 5.0, I run into an exception with the very first ... satisfactory explanation was given. See Question&Answers more detail:os...

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

0 votes

249 views

1 answer

c# - Send keystroke to other control

Easy one for you guys. I have a textbox on top of a listbox. The textbox is use to filter ther data in the ... be some .NET way to do this. See Question&Answers more detail:os...

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

0 votes

217 views

1 answer

c# - When should you override OnEvent as opposed to subscribing to the event when inheritting

When should one do the following? class Foo : Control { protected override void OnClick(EventArgs e) { // new code here } ... e) { // code } } See Question&Answers more detail:os...

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

0 votes

358 views

1 answer

c# - load resource as byte array programmatically

I added image as file and set type as resource (see screenshot) How do I pull it out as byte array without using resx files, etc? See Question&Answers more detail:os...

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

0 votes

215 views

1 answer

c# - .NET Cross-Assembly Performance Hit

I am reading Bill Wagner's book Effective C#. In Item 32 he is advocating for developers to create smaller, ... the assembly is loaded? Thanks See Question&Answers more detail:os...

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

0 votes

305 views

1 answer

c# - Get first 250 words of a string?

How do I get the first 250 words of a string? See Question&Answers more detail:os...

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

0 votes

211 views

1 answer

c# - delete attachment file

i am using System.Net.Mail for sending mail in asp.net.. how to delete attachment file after it is send ... used by another process. thank you See Question&Answers more detail:os...

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

0 votes

216 views

1 answer

c# - Binding to an internal property?

I am trying some different things using MVVM. In our ViewModel properties which are bind to View are public. I am ... { ...... } See Question&Answers more detail:os...

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

0 votes

195 views

1 answer

c# - "IN" Operator in Linq

I am trying to convert an old raw Sql query in Linq with Entity Framework here. It was using the IN operator ... a join query, no clues here. See Question&Answers more detail:os...

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

0 votes

390 views

1 answer

c# - How to do proper Reflection of base Interface methods

I have 2 interfaces and 2 classes that I investigate via Reflection: IParent IChild - derives from IParent Parent ... derived interface's type? See Question&Answers more detail:os...

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

0 votes

233 views

1 answer

c# - Changing property names for serializing

My class has a property 'PropertyA', I want this to appear as 'PropertyB' in a JSON object when it's ... sort of attribute I can use? See Question&Answers more detail:os...

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

0 votes

254 views

1 answer

c# - Is there TryResolve in Unity?

How can I make Unity not to throw ResolutionFailedException if Resolve fails? Is there something like TryResolve< ... Assert.IsNull(foo); See Question&Answers more detail:os...

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

0 votes

211 views

1 answer

c# - Product of build-time T4 transformation is used only in the next build

I have a VS project that contains: a pre-build action running TextTransform on a template.tt to generate generated. ... be done in design time. See Question&Answers more detail:os...

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

Categories

Just Browsing Browsing

Most popular tags