Recent questions tagged C#

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c# - Task.WaitAll doesn't wait for child task?

Hello I have _noOfThreads as defined tasks to run at a time. So I keep continuing the Tasks by using % ... to wait for child tasks also? 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# - Group by in DataTable Column sum

In the following code for finding sum of Rate column in the DataTable dt dt.Compute("Sum(Convert(Rate, 'System.Int32')) ... A=170 an Sum B=120. 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 escape "" characters in Java

As we all know,we can use string aa=@"E:dev_workspace1AccessCoreWebRootDataFile" in c# in order not to double the ''. But how to do in java? 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 sanitize input from MCE in ASP.NET?

Is there a utility/function in C# to sanitize the source code of tinyMCE rich text. I would like to remove ... to whitelist safe html tags. 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 can I prevent inserting duplicate data into a SQL Server table?

I have a series of data that need to be written into SQL, what should I do to check the data in SQL to ... what should i do check the data? 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# - Passing string[] from batch file (which contains double quotes ") to powershell script

I have a powershell script which has a string[] parameter and try to pass value to this from batch file ... I change to achieve 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# - Setting calendar size when overriding DateTimePicker to add week numbers

I'm trying to create a DateTimePicker with week numbers displayed, as shown here (Code project example). It works ... , or to resize 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# - Which one is faster in processing and conversion int.Parse(), int.TryParse(), Convert.Int32()

Which one is faster, powerfull and reliable. And why ? int.Parse() int.TryParse() Convert.ToInt32() 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# - Serialize and Store an Image in an XML File

Got a little bit of a problem. I have a program that builds an observable collection of Users. The User has a ... way to read it out again? 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# - Serializing/deserializing arrays with mixed types using Json.NET

I'm trying to write some C# wrapper classes for JSON that I need to send/receive. In one instance, I'm ... with a custom converter. 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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671 views

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c# - Newtonsoft JSON for .net is ignoring jsonproperty tags

For some really irritating reason, the JsonProperty tags are not working with Newtonsoft's Json for .net tool. In ... won't work. Any thoughts? 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# - Problems with using Thread.Sleep for short times

I have an app with 2 threads (now), but it seems that function Thread.Sleep() doesn't work very good. ... < 5000) ; 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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365 views

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c# - SSIS Script Task Get File Names and Store to an SSIS Object Variable

I am trying to build an SSIS package that will be used in a standardized file system archive process. Basically ... ScriptResults.Success; } } } See Question&Answers more detail:os...

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

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231 views

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c# - FindName returning null

I'm writing a simple tic tac toe game for school. The assignment is in C++, but the teacher has given me ... how to use it. 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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344 views

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c# - Add item to the default TextBox context menu

is there any way to add an extra item to the default WinForms TextBox context menu without creating my own? See Question&Answers more detail:os...

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

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328 views

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c# - Calling an Oracle procedure with a PL/SQL collection type parameter via .NET

I'm trying to call an Oracle stored procedure via .NET. Normally this isn't a problem, but this stored procedure contains ... 10g (10.2.0.4.0). See Question&Answers more detail:os...

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

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486 views

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c# - Single Instance Windows Forms Application with Minimize to Tray

I have a sample WinForm application named "Restoring.exe". While minimizing its window, it will move to system ... provide a solution for 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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459 views

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c# - Have a Log4Net RollingFileAppender set to roll weekly

The DatePattern string needs to be something that the SimpleDateFormatter will accept. Unfortunately this means that, out ... to roll weekly? See Question&Answers more detail:os...

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

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212 views

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c# - How do I intercept the output stream of the current actionresult in .NET MVC3?

Hi and thanks for looking! Background I am using the Rotativa pdf tool to read a view (html) into a ... simultaneously. Any ideas? Thanks! Matt See Question&Answers more detail:os...

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

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224 views

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c# - MVVMCross Bindings in Android

I'm developing a cross-platform App starting it in android. I've found your MVVMCross project and I'm trying to get ... for it? Any advice? :-) See Question&Answers more detail:os...

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

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401 views

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c# - DeflateStream 4GB Limit in .NET

From MSDN: DeflateStream Class DeflateStream cannot be used to compress files larger than 4 GB. Are there any other ... Can any code do that? See Question&Answers more detail:os...

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

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204 views

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c# - Converting Unicode to Windows-1252 for vCards

I am trying to write a program in C# that will split a vCard (VCF) file with multiple contacts into ... ; swriter.Write(fullFileContents); } See Question&Answers more detail:os...

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

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238 views

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c# - Does moving variable declaration outside of a loop actually increase performance?

I'm writing very processor-intensive cryptography code (C#), so I'm looking for any performance gains, no ... the compiler do this already? See Question&Answers more detail:os...

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

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368 views

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c# - How to circumvent using an out parameter in an anonymous method block?

The following method does not compile. Visual Studio warns "An out parameter may not be used within an ... parameter problem in general). See Question&Answers more detail:os...

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

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290 views

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c# - Add an attribute to another assembly's class

Is it somehow possible to extend a type, wich is defined in another assembly, to add an attribute on one of its ... an this is a UI tool. See Question&Answers more detail:os...

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

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400 views

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c# - How to group different apps in Windows task bar?

I have 5 different C# application running at the same time on my PC. They take a lot of space at my taskbar ... the taskbar (using windows 10). See Question&Answers more detail:os...

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

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398 views

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c# - Number of Clients that can connect to a Named Pipe

Say a server created a named pipe "myTestPipe". How many clients can connect to "myTestPipe"? From what I ... about other clients to connect) See Question&Answers more detail:os...

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

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520 views

1 answer

c# - How to loop through a generic object in SSIS Script Task

I have a generic object that is passed into a script task from a SQL Process. The object will essentially be ... But this obviously won't work. See Question&Answers more detail:os...

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

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