Recent questions tagged C#

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c# - Log4net LogicalThreadContext not working as expected

I've been trying to use Log4nets LogicalThreadContext to provide context to each of my log entries. My application ... this might be happening? 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# - Azure Storage: 403 Server failed to authenticate the request

I've search here and in Google but I can't find a solution. With my C# code I want to read a ... " Connection: Keep-Alive 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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392 views

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c# - Excel interop prevent showing password dialog

I am writing a program to clean excel files from empty rows and columns, i started from my own question ... but no luck. any suggestions? See Question&Answers more detail:os...

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

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370 views

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c# - Remove specific character from a string based on hex value

While importing data from a flat file, I noticed that some of lines have embedded non breaking spaces (Hex: A0). ... , is there a better way? See Question&Answers more detail:os...

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

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373 views

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c# - Sorting numerically in a DataGridViewTextBoxColumn

This question is closely related to these two (this and this) but I don't think they give a satisfying ... without writing my own sorter? See Question&Answers more detail:os...

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

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331 views

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c# - Enable WCF Service to use with JSON

I have created a wcf service. That is working fine when i am using simply in .net by adding as a ... ://example.com/MyService.svc/test See Question&Answers more detail:os...

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

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311 views

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c# - How To Set Startup Route In ASP.NET Core

My ASP.NET core app startup route is set as: /api/values I want to change this startup route to be: / ... http://localhost:5000/ does not 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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c# - Pattern based string parse

When I need to stringify some values by joining them with commas, I do, for example: string.Format("{0},{1}, ... don't know such function in 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# - Design by contracts and constructors

I am implementing my own ArrayList for school purposes, but to spice up things a bit I'm trying to use C# ... a bit deeper if possible. 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# - Linq: how to exclude condition if parameter is null

I have some table and the following condition of query: if parameter A is null take all, if not, use it in ... the same as one query? 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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515 views

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c# - How to register AutoMapper 4.2.0 with Simple Injector

Updated to AutoMapper 4.2.0, and following the migration guide available here: https://github.com/AutoMapper/ ... } } Simple Injector ? See Question&Answers more detail:os...

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

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218 views

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c# - Remove from Dictionary by Key and Retrieve Value

Is there a way to remove an entry from a Dictionary (by Key) AND retrieve its Value in the same ... WITHOUT searching the dictionary twice? 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# - Single config file for solution

Now I have seen this question before on SO in a variant ways, but surprisingly not in this form: I have ... during development. Is this correct? See Question&Answers more detail:os...

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

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218 views

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c# 7.0 - Non-shortcircuting boolean operators and C# 7 Pattern matching

Im currently writing an C# application, targeting .NET 4.7 (C# 7). I am confused after I tried using the new ... this point I'm just curious) See Question&Answers more detail:os...

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

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490 views

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c# - Datagridview not updating/refreshing

I have a DataGridView made of a DataSet of a table from the DB. When I delete a row, it is updated ... removed from the GridView. 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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171 views

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c# - Error when deserializing JSON to Object

I need to convert JSON data that I get from a REST API and convert them to CSV for some analytic. The problem is ... ); } return table; } } } See Question&Answers more detail:os...

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

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281 views

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c# - Using a generic type as a return type of an async method

A previous question made me wonder why the following method would raise a compile time error: The return type of ... Why must async return Task See Question&Answers more detail:os...

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

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553 views

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c# - How do I translate a query that uses ROW_NUMBER() into linq?

My table consists of three columns (sno,name,age). I am retrieving this table from the database with extra column (row ... . How do I 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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254 views

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c# - XML deserialization generic method

I have next XML file: <Root> <Document> <Id>d639a54f-baca-11e1-8067-001fd09b1dfd</Id> <Balance>-24145</ ... all these classes. 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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372 views

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c# - ASP.Net MVC 4 Web API controller doesn't work with Unity.WebApi

My ASP.Net MVC 4 Web API controller doesn't work with Unity.WebApi. In the same project simple controllers works ... } } Where is my mistake? See Question&Answers more detail:os...

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

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227 views

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c# - How do I make an XML file an embedded resource in a vNext (ASP.NET 5) class library?

I have an MVC 6 (vNext/ASP.NET 5) project, with one class library for the DAL(Data Access Layer). Now I ... .json, that we must specify 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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333 views

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c# - Dynamically P/Invoking a DLL

What is the best way to dynamically P/Invoke unmanaged code from .NET? For example, I have a number of ... goal, entirely in unmanaged code). 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# - How to create predicate dynamically

Hi i want to create a list based on the search string using predicate expressions. I have a list of type ... . Please do some help 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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288 views

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c# - How to draw border around a word in RichTextBox?

Let's say I have 2 TextPointers. One pointing at the beginning of a word and the other at the end of the ... 't come up with anything usable. 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 access inherited controls in the winforms designer

I'm making some controls which all have to share the same look and some common behavior, although they are ... { InitializeComponent(); } } See Question&Answers more detail:os...

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

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404 views

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c# - Creating a Popup Balloon like Windows Messenger or AVG

How can I create a Popup balloon like you would see from Windows Messenger or AVG or Norton or ... exits after displaying the notification See Question&Answers more detail:os...

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

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332 views

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c# - Cannot load file or assembly 'crystal decisions.windows.forms,version=13.0.2000.0'

I'm working on windows application. In this I designed Report module. I get error whenever I wanted to view ... how to resolve this issue. 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# - Printing using Word Interop with Print Dialog

I'm trying to print a word doc from my C# code. I used the 12.0.0.0 Word Interop and what i'm trying ... work :( Any ideas? 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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