Recent questions tagged C#

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c# - Modal Progress Form showing IProgress and supporting Cancellation of async Task for WinForms

I have been attempting to have a re-usable modal progress window (I.e. progressForm.ShowDialog()) to show ... MessageBox.Show(errorMessage); } See Question&Answers more detail:os...

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

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210 views

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c# - Open iOS application from Unity

I'm wanting to open up another application on my ipad via a button press in Unity. I know normally I would use ... to work? Is it even possible? 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

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c# - Why does XSD.EXE Create Two .XSD Files, and How to Use Them?

I am using the following command to generate related xsd file from my input XML file -- response.xml, my ... ". thanks in advance, George See Question&Answers more detail:os...

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

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308 views

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c# - IE10 - how to prevent "Your current security settings do not allow this file to be downloaded" popup from appearing?

I'm using wpf WebBrowser control (System.Windows.Controls) and I need to prevent users from performing various ... perspective. I use IE10. See Question&Answers more detail:os...

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

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208 views

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c# - Creating a function dynamically at run-time

It probably isn't even possible to do this, but I will ask anyway. Is it possible to create a function that ... to a delegate. Is it possible? See Question&Answers more detail:os...

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

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207 views

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c# - Reading from a cryptostream to the end of the stream

I'm having some trouble with the code below. I have a file in a temporary location which is in need of ... .Close(); return OutputFilePath; } See Question&Answers more detail:os...

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

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488 views

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c# - How do you check the Negotiated TLS Handshake from the Server?

If I have a dozen endpoints, and my WebAPI Service is configured for TLS 1.1 and TLS 1.2, how do I check each ... How do I do that per-request? See Question&Answers more detail:os...

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

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205 views

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c# - WCF Exception Handling

If an exception occurs in my WCF service, what is the best way to communicate that error to the client? ... return a user friendly 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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280 views

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c# - Process Rx events at fixed or minimum intervals

I have a sequence of events that happen every 10-1000 ms. I subscribe to this source of events, but want to ... No luck so far. Any ideas? See Question&Answers more detail:os...

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

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323 views

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c# - LINQ to Entities does not recognize the method 'Method name' method

I'm having a similar problem that was asked here: LINQ to Entities does not recognize the method 'System.String ToString ... I do, in this case? 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# - One to one relationship with Entity Framework Fluent API

I'm having trouble with reverse navigation on one of my entities. I have the following two objects: public class ... on what's going on? See Question&Answers more detail:os...

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

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194 views

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c# - retrieve specific range of rows in a SQL Server table

I have a table structure like (OrderID [uniqueidentifier], OrderDesciption [nvarchar]), I am using ADO.Net + C# ... . thanks in advance, George See Question&Answers more detail:os...

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

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199 views

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c# - Using the literal '@' with a string variable

I have a helper class pulling a string from an XML file. That string is a file path (so it has backslashes ... of .ToLiteral() or something? See Question&Answers more detail:os...

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

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194 views

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c# - Why do I need to reference a dll which I'm not using directly?

I have source code I received from an external developer, this code is divided up into 4 types of projects: Their ... ) in order to extend 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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493 views

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c# - Cross-thread exception when setting WinForms.Form owner - how to do it right?

I have a main UI thread which runs the application and creates the main window form (let's call it W). I have ... am I supposed to do it right? See Question&Answers more detail:os...

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

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1.1k views

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c# - Custom conversions when writing CSV files using CsvHelper

I've been doing some CSV reading and writing lately, and ran across CsvHelper which is fantastic so far. I've ran ... way to do this? 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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536 views

1 answer

c# - HtmlTable, HtmlTableRow, HtmlTableCell - creating thead, tbody and tfoot

I'm working with c# ASP .Net, HtmlTable, HtmlTableRow, HtmlTableCell to create a table. for example... i need ... and "tbody". Any Suggestions?? See Question&Answers more detail:os...

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

0 votes

405 views

1 answer

c# - Unable to connect to AIX(Unix) box with SSH.NET Library - Error : Value cannot be null

I am trying to connect to an AIX box and execute some commands using SSH.NET library. The following is the ... the same credentials. Any ideas? See Question&Answers more detail:os...

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

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272 views

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c# - How to ping faster when I reach unreachable IP?

I have an app which pings IP or IP range. The problem is that when hosts are closed it takes longer to ... closed." + Environment.NewLine); } 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

1 answer

c# - serializing a Dictionary<string,object> in ProtoBuf-net fails

(NOTE: Dictionary where T is some ProtoContract / ProtoMembered class works fine. ) This issue only happened for me ... (typeof(byte), false); See Question&Answers more detail:os...

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

0 votes

247 views

1 answer

c# - Windows Forms: Making a cursor bitmap partially transparent

I want to use partially transparent images in drag/drop operations. This is all set up and works fine, but ... hIcon, ref IconInfo pIconInfo); 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# - MVC RoleProvider and Authorize attribute

I have implemented my own role provider, and I'm not using the default one. It works to the point that ... config but nothing obvious jumps out. See Question&Answers more detail:os...

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

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369 views

1 answer

c# - Using Linq not equals

I've 2 list collections in my C# app..A and B. Both the collections have customer object which has Id and Name ... B. How do 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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481 views

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c# - How to multiply all values in an array?

I have an assignment where I need to find the product of all of the numbers in an array, I'm not sure ... 0 from being entered into the array? 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

1 answer

c# - WCF Known Type from System.Object in Config

I'm trying to specify a known type in my config, but I'm having problems with the fact that it derives from ... to make this work via config? See Question&Answers more detail:os...

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

0 votes

185 views

1 answer

c# - MongoDB relationships for objects

Please excuse my english, I'm still trying to master it. I've started to learn MongoDB (coming from a C# ... not required or do you limit? 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

1 answer

c# - iTextSharp to print a gridview

I use iTextSharp to print a grid view but I face some problems: No arabic characters appears at all. The ... How to fix these problems? See Question&Answers more detail:os...

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

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337 views

1 answer

c# - const vs. readonly

Today I found an article where a const field is called compile-time constant while a readonly field is called runtime ... . What do you think? See Question&Answers more detail:os...

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

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