Recent questions tagged C#

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c# - How to enable inPrivate mode in the WebBrowser control

I have to make a IE type browser with some extra features on it. In Visual Studio, we have a component ... my own browser that supports 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# - Change winform ToolTip backcolor

I am using a ToolTip control in my project. I want to set its backcolor red. I have changed ownerdraw ... Any suggestion? Regards, skpaul. 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 Reference Microsoft.VisualBasic in a .Net Standard Class Library?

I am attempting to utilize some of the static classes in the Microsoft.VisualBasic name space in a .Net ... would be greatly 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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c# - Disable sorting when clicking DataGridView column header

I have a DataGridView column header. When I click that header, the data is resorted according to the value. I don' ... that. Anything I can do? 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# - Exporting X.509 certificate WITHOUT private key

I thought this would be straightforward but apparently it isn't. I have a certificate installed that has a ... to start digging into CAPICOM? 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 pad a binary string with zeros?

string binary = Convert.ToString(15, 2); Console.WriteLine("{0}", binary); Prints: 1111 I want it to print ... ("{0:00000000}", binary); 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# - Does Entity Framework save related classes automatically?

Let's assume that we have such classes public class A{ string someField { get; set; } public virtual B ... store related objects into database? 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# - WCF client-side error-handling

I'm consuming a clunky WCF server that occasionally throws various exceptions, and additionally returns some of its ... as in statement 1. 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# - Console.ReadLine("Default Text Editable Text On Line")

Is there way of achieving this? I want to pass some text and have it appear on the input line -- ... Name:Default Editable Text<cursor>" 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 we use inner classes?

I want to ask you why we need inner classes and why we use them ? I know how to use inner classes but I don't know 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# - Could not load file or assembly 'Oracle.DataAccess error

I am building ASP.NET application with C# and I want to connect to oracle database. I have added reference ... cannot find the file specified. 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 derive from a class with an internal constructor?

I'm working with a 3rd party c# class that has lots of great methods and properties - but as time has gone by ... use this class a base class? 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 do I convert Foreach statement into linq expression?

how to convert below foreach into linq expression? var list = new List<Book>(); foreach (var id in ids) { list.Add(new Book{Id=id}); } See Question&Answers more detail:os...

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

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506 views

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c# - Enabling annotation in Adobe AxAcroPDFLib

I embedded a PDF viewer in a C# Winform using AxAcroPDFLib. However, the annotation buttons in the toolbar (comments. ... how can this be done? See Question&Answers more detail:os...

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

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278 views

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c# - Comparing each element with each other element in a list

What is the best way to write a control structure that will iterate through each 2-element combination in a list ... 0. The value is irrelevant. See Question&Answers more detail:os...

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

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578 views

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c# - How to specify source port of a UdpPacket?

I wanted to send UdpPacket to a specific remote host (I already know the public IP and Port). I wanted to ... Thanks for your help 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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407 views

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c# - How to include log4net for a class library?

I want to implement logging function into a class library, which is itself referenced in a webservice. I tried ... my class library? 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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c# - Question regarding to value/reference type of events

On the MSDN, I have found following: public event EventHandler<MyEventArgs> SampleEvent; public void DemoEvent(string ... MyEventArgs(val)); } See Question&Answers more detail:os...

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

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442 views

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c# - Error: The method or operation is not implemented. while scaffolding MYSQL Database

I'm using .net core 2.0. I have installed the following nuget Packages: 1: Microsoft.AspNetCore.All 2: Microsoft. ... Core(in .net core 2.0) See Question&Answers more detail:os...

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

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832 views

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c# - Generate all Combinations from Multiple (n) Lists

EDIT: I am completely redoing my questions as I have figured out the simplest way of asking it. Thanks to the ... that there are no null values. See Question&Answers more detail:os...

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

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649 views

1 answer

c# - How to set a Wpf Window as the Owner of a Winforms Form

How to set a System.Windows.Window as the Owner of a System.Windows.Forms.Form? After I searched for ... Hopefully someone finds this useful. See Question&Answers more detail:os...

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

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357 views

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c# - How to parse relative time?

This question is the other side of the question asking, "How do I calculate relative time?". Given some human input ... to have out on the web. See Question&Answers more detail:os...

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

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561 views

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c# - Process.Start() get errors from command prompt window

I'm trying to Start command promt process with args. Now I want to obtain information about errors if they ... someArgs); Best regards, loviji See Question&Answers more detail:os...

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

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425 views

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c# - AjaxfileUpload error

I'm trying to implement a simple ajaxtoolkit fileupload control and every time I click "Upload" all I get is ... .insert_pic_slide(id, path); } See Question&Answers more detail:os...

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

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654 views

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c# - System.Web.HttpException File does not exist - Page loads just fine (ASP.NET)

I'm using Log4Net and logging everytime my ASP.NET-Application throws an error: protected void Application_Error(object ... I deploy it on. 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

1 answer

c# - How can I DataBind a List<> of objects to a DropDownList and set the SelectedItem based on a property in the object?

How can I DataBind a List<> of objects to a DropDownList and set the SelectedItem based on a property in the ... the SelectedItem in the list. See Question&Answers more detail:os...

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

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455 views

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c# - Entity Framework 6 Compiled LINQ Query

I'm trying to improve performance of a web application by caching a query. public static Func<myEntity, List<HASHDuplicates ... '. I'm using EF6 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# - Removing version from xml file

I am creating a Xml like format using XmlWriter. But in the output there is version information also. <?xml version ... to remove it by 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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