Recent questions tagged C#

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c# - ConfigurationManager.AppSettings in returning null

I am using ConfigurationManager.AppSettings[myKey] to read a value from the app.config file in my windows application, ... one know why? 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# - Unity 2d jumping script

Does anyone have a good jumping script for 2d games in unity? The code I have works but still is far ... /rigidbody2D.AddForce(movement); } } 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# - printing quality winform

I have 2 problems while trying to print from a WinForms application. The first is a very very bad quality no matter ... { Print(this.panel1); } 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 use a custom font with Windows Universal app?

Like for my other windows phone 8 projects I wanted to use a custom font. But with the new Universal app ... share the font and use 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# - Error loading hostpolicy.dll while deploying .NET Core console app to Azure WebJobs

I have followed this tutorial to deploy a .NET Core console application to an Azure Web Service WebJob. My app is ... issue? What did I miss? 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# 4.0 - Does C# pick the wrong type for var when parsing a dynamic object?

I am using the following code to convert some Json into a dynamic object. When I use DateTime.Parse on a ... anyone explain this to me? 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# - How to deserialize using JSON.Net to an anonymous type?

Just trying to create an anonymous type from JSON without knowing anything about the parameters ahead of time, and ... -in-a-dynamic-world.aspx 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 set up two navigation properties of the same type in Entity Framework

With code first EF4 (using CTP5) I can add a single navigation property along with the foreign key and it will respect ... { get; set; } } 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# - Possible to modify a List while iterating through it?

I have the following: foreach (var depthCard in depthCards) { var card = InternalGetCard(db, depthCard.CardId); ... iterating. Is it possible? 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# - Debug dynamically loaded assembly in Visual Studio .NET

I am using C# and reflection to load and invoke methods from an assembly. I have the source code of the ... just steps over it .. 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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365 views

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c# - Can you assign a TypeConverter without a TypeConverterAttribute?

Dependency requirements are forcing me to have a class and its TypeConverter in different assemblies. Is there ... assembly references. 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# - Why i'm getting exception: Too many automatic redirections were attempted on webclient?

In the top of form1 i did: WebClient Client; Then in the constructor: Client = new WebClient(); Client. ... site with image i'm downloading See Question&Answers more detail:os...

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

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674 views

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c# - How to to make UdpClient.ReceiveAsync() cancelable?

I have an interface INetwork with a method: Task<bool> SendAsync(string messageToSend, CancellationToken ct) One ... How to resolve 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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463 views

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c# - Why is GetIsNetworkAvailable() always returning true?

I have this method: public static void testConnection() { if (System.Net.NetworkInformation.NetworkInterface. ... still learning 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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319 views

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c# - Calculating the distance between 2 points

I have two points (x1,y1) and (x2,y2). I want to know whether the points are within 5 meters of one another. See Question&Answers more detail:os...

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

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284 views

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c# - Compare dates in DataView.RowFilter?

I am scratching my head over something rather stupid yet apparently difficult. DataView dvFormula = dsFormula.Tables[ ... be. 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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241 views

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c# - Linq Sub-Select

How do I write a sub-select in LINQ. If I have a list of customers and a list of orders I want all ... in orders select o.CustomerID) select 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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346 views

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c# - How to Send Email With Attachment In Asp.Net

I need to attach an image with my email in asp.net the file is already added in the solution explorer but I dont ... catch (Exception ex) { } } See Question&Answers more detail:os...

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

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181 views

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c# - Access web.config from separate Class Library?

I'm looking for a good way to achieve the following: I have a web application (MVC 3), with a separate Class ... a lot for any ideas you have. See Question&Answers more detail:os...

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

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189 views

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c# - Selecting a data template based on type

I've declared the following types: public interface ITest { } public class ClassOne : ITest { } public class ... What am I doing wrong? See Question&Answers more detail:os...

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

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355 views

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c# - Opening an explorer window with designated file selected

I have an application which has an option to show the selected file in the folder in which the file resides. ... in "My Documents" folder. See Question&Answers more detail:os...

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

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430 views

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c# WinForm: Remove or Customize the 'Focus Rectangle' for Buttons

Is there a way to disable or better yet draw your own focus rectangle for a regular button control! (that ... for customizing other controls). See Question&Answers more detail:os...

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

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384 views

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c# - WPF ToolTip does not update

Assuming I have a simple class that represents a staff member class Staff { public string FirstName { get; set; } ... probably won't look at. See Question&Answers more detail:os...

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

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475 views

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c# - Entity Framework: SqlGeography vs DbGeography

What is the difference, or intended purpose of these two object that represent the same Geography datatype ... the SqlCommand directly instead? See Question&Answers more detail:os...

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

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574 views

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c# - How to set base path property in swagger for .Net Core Web API

i've built a Web API in ASP.Net Core (version 1.1.2) and i use the Swashbuckle.AspNetCore for generating the ... any idea on how to fix 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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418 views

1 answer

c# - Adjust DataGridView's columns to fill available space if the grid is smaller and use scroll in case the grid bigger than the space available

I want to adjust all columns of a DataGridView according to the required space to show all its data completely. If ... an easy way 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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433 views

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c# - Base64 String throwing invalid character error

I keep getting a Base64 invalid character error even though I shouldn't. The program takes an XML file and exports ... what am I doing wrong? See Question&Answers more detail:os...

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

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249 views

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c# - Constructors and Inheritance

Lets take an example in C# public class Foo { public Foo() { } public Foo(int j) { } } public class Bar ... should be a valid reason for 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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