Recent questions tagged C#

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c# - Aborting a long running task in TPL

Our application uses the TPL to serialize (potentially) long running units of work. The creation of work (tasks) is ... framework is .NET 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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c# - TFS 2010: Getting list of changeset Ids

I need to create two methods as follows: Retrieve all changesets in TFS. Retrieve all changesets newer than a specified ... .Net 4.0 app. TIA 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 post form-data IFormFile with HttpClient?

I have backend endpoint Task<ActionResult> Post(IFormFile csvFile) and I need to call this endpoint from HttpClient ... {byteArrayContent } }); 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# - Updating records using a Repository Pattern with Entity Framework 6

I'm writing a simple blog application and trying to establish CRUD operations in my generic repository pattern but I'm ... (id); } #endregion } 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# - Call Python from .NET

I have some code written in Python which can not be transferred to a .NET language. I need to call one of ... an option for this Python script 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 this "finally" execute?

If you run the code below it actually executes the finally after every call to the goto: int i = 0; Found: i++; try ... Write("{0}", i); } 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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c# - LINQ .Cast() extension method fails but (type)object works

To convert between some LINQ to SQL objects and DTOs we have created explicit cast operators on the DTOs. ... has an explicit cast operator. 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# - Regular expression for Iranian mobile phone numbers?

How can I validate mobile numbers with a regular expression? Iran Mobile phones have numeral system ... .org/wiki/Telephone_numbers_in_Iran 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# - Moq and SqlConnection?

I'm writing unit tests for one of our products and have been used Moq to successfully mock connections to Entity ... itself rather than the DB. 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# - Omit localized versions of assemblies from the build output

In one of my projects, I am using an awesome library called Humanizer. This library comes in many language ... which are not open-source. 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

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c# - Multiple Threads reading from the same file

I have a xml file that needs to be read from many many times. I am trying to use the Parallel.ForEach to ... from about 1,800 times. 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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c# - Reflexive type parameter constraints: X<T> where T : X<T> ? any simpler alternatives?

Every so often I am making a simple interface more complicated by adding a self-referencing ("reflexive") ... get unmanageable fairly quickly. 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# - Checking if file exists in asp.net mvc 5

I am checking for the existence of a file bu cannot find it, regardless of whether it is there or not ... the existence of the file correctly? 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# - Windows Service hosted WCF over HTTPS

I've created and configured an SSL certificate as per these instructions from MSDN. I'm getting the error message ... to how to enable 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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387 views

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c# - What it costs to use Task.Delay()?

I am thinking on using C# asyncawait in MMO game server with event-driven logic. Let's assume there ... simultaneous Task.Delay() invocations? 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# - Loading Nested Entities / Collections with Entity Framework

I am trying to Eagerly load all the related entities or collection of Entity in one call. My Entities Looks ... this. Thanks in advance. 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# - Ambiguous Controller Names with Routing attributes: controllers with same name and different namespace for versioning

I am trying to add API versioning and my plan is to create a controller for each version in different ... with RoutingAttributes? Thank you! 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

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c# - Single quote handling in a SQL string

I have an application where the values in the text field are sent to the database. For example I have a form ... this. Any ideas from you? See Question&Answers more detail:os...

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

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335 views

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c# - Linq orderby, start with specific number, then return to lowest

I have a set of data which I'd like to re-order starting with a specific number and then, when the highest ... Is that possible with linq & c#? 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# - What is Action<string>?

What is Action<string>, how can it be used? See Question&Answers more detail:os...

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

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245 views

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c# - Asp.net - Caching vs Static Variable for storing a Dictionary

I am building a web-store with many departments and categories. They are stored in our database and accessed often. ... you can share. 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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438 views

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c# - adding child nodes in treeview

I'm new to C# and don't have any programming experience. But I've finish a C# basics. Now I would ... the else, are there any simplification? See Question&Answers more detail:os...

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

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173 views

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c# - Determine cell location in DataGridView

Given a specific row number and column index how can I calculate the cell location (IE: Location.Point) ... how to accomplish this welcome. See Question&Answers more detail:os...

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

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517 views

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c# - Convert Text to Uppercase while typing in Text box

I am new in Visual Studio and using visual Studio 2008. In a project I want to make all text in uppercase ... any solution, please guide 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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298 views

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c# - What does [System.SerializableAttribute()] do

I am looking at somebody elses C# code and before a public enum there are the following lines: [System.CodeDom. ... of these lines are doing. See Question&Answers more detail:os...

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

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325 views

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c# - How to query Code First entities based on rowversion/timestamp value?

I've run into a case where something that worked fairly well with LINQ to SQL seems to be very obtuse ( ... can get past the compiler? See Question&Answers more detail:os...

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

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248 views

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c# - Basic BackgroundWorker usage with parameters

My process intensive method call that I want to perform in a background thread looks like this: object.Method(paramObj ... else's input on 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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177 views

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c# - SOAP in .NET Core?

How you do SOAP in .NET Core? Are there any equivalents of Apache CXF in .Net Core (not just a simple SOAP ... doesn't yield any clear answer. See Question&Answers more detail:os...

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

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