Recent questions tagged C#

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c# - How can I start a process in the background?

I can't seem to find an answer on Google or here on StackOverflow. How can I start a process in background ... from the previous one. 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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740 views

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c# - How To Use Exception Manager Enterprise Library 6.0

When using Enterprise Library 6.0, this error occurs in the code below: bool rethrow = ExceptionPolicy.HandleException ... solve this problem ? See Question&Answers more detail:os...

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

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324 views

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c# - How to use 'refresh_token' in IdentityServer 4?

I'm using .net core with IdentityServer 4. I have a Web api, and an MVC app which accesses secure ... the access_token using the refresh_token? See Question&Answers more detail:os...

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

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336 views

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c# - KeepAlive with WCF and TCP?

I have a Windows Service hosting an advanced WCF service that communicates over TCP(netTCP) with protobuf.net, some ... http://1drv.ms/1uEVKIt See Question&Answers more detail:os...

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

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466 views

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c# - How can I transform XY coordinates and height/width on a scaled image to an original sized image?

Related Question I am trying to do the same thing as in the linked question, but with C#. I am showing a ... , destHeight); return retRect; } 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# - Adding items to List<T> using reflection

I was trying to add items to IList through reflection, but while calling the "Add" method an error was thrown " ... {objTemp }); 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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743 views

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c# - CsvHelper - read in multiple columns to a single list

I'm using CSVHelper to read in lots of data I'm wondering if it's possible to read the last n columns in and ... nice to do it on a one-er See Question&Answers more detail:os...

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

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152 views

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c# - When to use Dependency Properties

I sometimes think I maybe using Dependency Properties unnecessarily. When do I need to use it? When I have a ... line in all those properties? 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

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c# - How to fix "The requested resource is in use. (Exception from HRESULT: 0x800700AA)"

How can I solve this error? "The requested resource is in use. (Exception from HRESULT: 0x800700AA)". This appears ... control in C# .NET. Why? See Question&Answers more detail:os...

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

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247 views

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c# - Why would reusing a DataContext have a negative performance impact?

After a fair amount of research and some errors, I modified my code so that it creates a new DataContext each ... for each linq-to-sql 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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194 views

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c# - Class/Model Level Validation (as opposed to Property Level)? (ASP.NET MVC 2.0)

Basically, what the title says. I have several properties that combine together to really make one logical answer ... validation at this level? 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# - Why is this flowdocument table always printing 2 columns

I have a ListView in my WPF app that is bound to a collection of tasks to perform (A to-do list). ... ,"Flow Document Print Job"); See Question&Answers more detail:os...

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

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318 views

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c# - F# dynamic object access

Is there a way to access DLR object (eg. DynamicObject subclass instance) members (properties and methods) in F# that is similar to C# dynamic ? See Question&Answers more detail:os...

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

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321 views

1 answer

c# - Web API2 NinjectWebCommon.cs do not appear

I am doing an Empty Web API in Visual Studio 2013 Framework 4.5. Obviously NinjectWebCommon.cs do not appear. ... add that file manually? 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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448 views

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c# - Creating an performant open delegate for an property setter or getter

An open delegate is a delegate to an instance method without the target. To call it you supply the target as ... ? Is there anyway around 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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162 views

1 answer

c# - Difference between Monocross & Monotouch (xamarin)?

i am right now exploring the capabilities of Monotouch (by Xamarin) with other solution such as Monocross? So ... r.t native app development? See Question&Answers more detail:os...

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

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263 views

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c# - Deserializing XML with DataContractSerializer

I have a web service that returns the following data: <?xml version=""1.0"" encoding=""UTF-8""?> < ... be something simple that I'm missing. See Question&Answers more detail:os...

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

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155 views

1 answer

c# - Using DataTable in .NET Core

I have a stored procedure in SQL Server that accepts a User-Defined Table Type. I'm following the answer from this ... SQL Server on .NET 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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413 views

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c# - How to pass formcollection using ajax call to an action?

I'm trying to replace a form submit with ajax call. the action needs formcollection and I don't want to ... I pass data into formcollection? 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 Entity Framework Core migrations for class library project

This seem to be an issue that have been fixed already, at least for the SQLite databases. My solution ... library project and WPF project? See Question&Answers more detail:os...

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

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286 views

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c# - default(T) with empty collection instead of null

I'd like to have generic method which returns default value for passed type, but for collection type I'd like to ... .Invoke(null, null); } } See Question&Answers more detail:os...

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

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415 views

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c# - Why does Exception from async void crash the app but from async Task is swallowed

I understand that an async Task's Exceptions can be caught by: try { await task; } catch { } while an async ... ) { throw new Exception(); } 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

1 answer

c# - Getting members of an AD domain group using Sharepoint API

In my Sharepoint code I display a list of all defined users via: foreach (SPUser user in SPContext.Current.Web ... rights + AD rights). See Question&Answers more detail:os...

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

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354 views

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c# - There is already a listener on IP endpoint 0.0.0.0:13000. ?? (TCP using WCF)

I'm trying to figure out why the port is being used even after restarting the computer! System. ... system.serviceModel> </configuration> See Question&Answers more detail:os...

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

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396 views

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c# - How can I measure the Text Size in UWP Apps?

In WPF, this was possible using FormattedText, like this: private Size MeasureString(string candidate) { var ... in universal windows platform? See Question&Answers more detail:os...

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

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399 views

1 answer

c# - What is the use/advantage of using CommandBehavior.CloseConnection in ExecuteReader()

Can anyone tell me what is the CommandBehavior.CloseConnection and what is the use/benefit of passing ... (CommandBehavior.CloseConnection)? See Question&Answers more detail:os...

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

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152 views

1 answer

c# - Unique log file for each instance of class

I am currently running a windows service that creates multiple instances of a class. At the top of the ... that much frameworking is necessary. See Question&Answers more detail:os...

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

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217 views

1 answer

c# - Fastest way to convert string array to double array?

I've been having to deal lately with conversion of large string arrays to number arrays and I'm wondering ... better during this conversion? See Question&Answers more detail:os...

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

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