Recent questions tagged C#

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c# - Localization: How to map culture info to a script name or Unicode character range?

I need some information about localization. I am using .net 2.0 with C# 2.0 which takes care of most of the ... the user having to do anything. 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# - using PdfCopy to merge pdf files

I need to add multiple pdfs (each single page) to my main pdf. These need to be added after a ... /index_files/csharp-combine-pdf-files.htm 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# - Sort a list according to another list

I have a list1 like this : {A,B,C,D,E,F} I have another list2 that list2 count is equal with list1 count (6 ... d => list2.IndexOf(d)).ToList(); 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# - Filtering Multiple CollectionViews of the same ObservableCollection - WPF

I have a shopping list app. My Items have some properties like string Name, bool InList. And they implement ... I need three concurrent filters 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# - Is there a way to enable the SO_REUSEADDR socket option when using System.Net.HttpListener?

Been searching for this for over an hour now, and I have not found in documentation nor in examples on the web how ... and I'm just missing 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# - Serializing a class with a generic Enum that can be different Enum types

I'm trying to design an application that will allow the user to specify an Enum type in an XML, and from that ... { _MethodType = value; } } 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# - Entity Framework CodeFirst delay experienced

I'm learning about Entity Framework and I am currently facing a problem where I take about 10 seconds to ... MySqlClient"/> </connectionStrings> See Question&Answers more detail:os...

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

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523 views

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c# - SQL CLR Web Service Call: Limiting Overhead

I'm attempting to improve query performance for an application and I'm logically stuck. So the application is ... I'd be very appreciative. 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# - Entity Framework 7 FromSql stored procedure return value

I am trying to return a value using the new FromSql command in Entity Framework 7. My stored procedure returns a value ... of 0 or 1 from 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# - Self referencing generic member in struct

I need to broaden my understanding of how structs are compiled when using generics. I have the following code, ... ; public int TestValue; } See Question&Answers more detail:os...

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

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511 views

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c# - How to wait tasks with conditions?

I have some tasks which return a bool. I just want wait until when any task returns True firstly. is it possible ? ... ; But it does not 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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c# - How to inject constructor in controllers by unity on mvc 4

I'm using unity 1.1 version and i couldn't inject constructor. My code sush as: Registering dependencies in global. ... dlls. How to 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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523 views

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c# - Programmatically obtain Foreign keys between POCOs in Entity Framework 6

I am faced with an EF6 Code First context, with a few DbSets of POCOs that have navigation properties (and ... the Id property of Person? See Question&Answers more detail:os...

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

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552 views

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c# - Items in ObservableCollection<string> do not update when bound to a WPF ListBox

I should like to manipulate an ObservableCollection of strings by binding it to the ItemsSource property of a ... advice is much appreciated. See Question&Answers more detail:os...

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

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924 views

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c# - Conversion from image to base64, System.drawing.image

I use c# for windows phone 8 app and i need to convert one image to base 64. I use this code: public string ... a ddl, but it's not ok. See Question&Answers more detail:os...

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

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601 views

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c# - Launch Web URL in NON-default browser

I know that this: Process.Start("http://www.somewebsite.com/"); launches a webpage in the users default browser. ... example of how to do 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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762 views

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c# - ComboBox AutoComplete Custom Capabilities

How can I extend the AutoComplete feature of a WinForm ComboBox to, for example, find matches of items using ... that contains the text entered? See Question&Answers more detail:os...

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

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470 views

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c# - Web Api 2 receive json array

model public class modelVenta { public int idvendedor { get; set; } public int idcliente { get; set; } public ... help me 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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718 views

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c# - How to create HttpWebRequest without interrupting async/await?

I have a bunch of slow functions that are essentially this: private async Task<List<string>> ... itself is created synchronously. See Question&Answers more detail:os...

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

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539 views

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c# - Is it possible to get length of closed memory stream?

I am trying to use GZipStream with MemoryStream. I write all bytes I need and then close gzip stream so after that ... is it true for all cases? See Question&Answers more detail:os...

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

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419 views

1 answer

c# - Why AntiForgeryToken validation keeps failing?

I am developing a web API app running using asp.net core2 and Angular. The detailed development environment ... request looks like below, See Question&Answers more detail:os...

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

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575 views

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c# - SqlCommand read one value

I have a problem with the value returned from SqlCommand, I have this code: string sqlSelect = "Select TOP 1 ... ? Thank you 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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547 views

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c# - How to round a DateTime in MySQL?

I want to discretize the DateTime with the resolution of 5 minutes. I did it in C#, but how to convert the ... double)resolution.Ticks) ) ); } See Question&Answers more detail:os...

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

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596 views

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c# - Semaphore implementation

I was wondering if there was a way to implement semaphore in C++ (or C#), any libraries that'd help. I ... Since they're probably related to OS. See Question&Answers more detail:os...

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

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587 views

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c# - How to compile with unsafe when running in Azure Websites

I have a C# MVC site hosted on Azure Websites, and I need to include a: unsafe { fixed (float* f = ... What could I be doing incorrectly here? See Question&Answers more detail:os...

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

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859 views

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c# - System.UnauthorizedAccessException was unhandled

I am getting a access denied exception. How can I fix this? Here is the exception: System. ... :UsersKristjanBEsturDocumentsmessage.txt"); } See Question&Answers more detail:os...

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

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662 views

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c# - Best way to save type of class in database?

What is a good way to denote "type" in database? I have a base class Action which is inherited by numerous ... there a better solution to 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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552 views

1 answer

c# - Is Microsoft.Office.Interop safe to use for (file-converting) for a website?

I am coding a website on witch users have to add reports (Word document's) and to make possible to view them I ... a good way to 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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