Recent questions tagged C#

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c# - Asp.net get value from Textbox in aspx to code behind

I'm creating a login system in asp.net and C# programming language. The code behind to handle the user and ... any solution to my 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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547 views

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c# - Setting WindowStartupLocation from ResourceDictionary throws XamlParseException

When I attempt to set the WindowStartupLocation property through a Setter within a ResourceDictionary, I get ... subsequently remained unsolved. See Question&Answers more detail:os...

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

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589 views

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c# - Entity Framework Core - Multiple one-to-many relationships between two entities

I have two entities - Team and Game. A team can have many games (One-To-Many). So that would look ... to settle the relationships. 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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567 views

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c# - Visual Studio 2012 csc.exe Error. Executable not valid for OS

I am getting the following error when trying to compile and test any type of project in Visual Studio 2012 ... do to fix the 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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739 views

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c# - Handling a click over a balloon tip displayed with TrayIcon's ShowBalloonTip()

I use the ShowBalloonTip method of a TrayIcon class to display a balloon tip. Is there a way to handle a ... and it only closes the balloon. See Question&Answers more detail:os...

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

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586 views

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c# - Using Dependency Injection in ASP.NET MVC3 Model Binder

I'm working on MVC3 website, trying to use Ninject to resolve my dependencies. I have the following ... on Ninject or DependencyResolver? See Question&Answers more detail:os...

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

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363 views

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c# - ASP.NET MVC Form Post

<form action="/Villa/Add" method="post"> <table> <tr> <td> Name: </td> <td> <%= Html.TextBox( ... of MVC being released and being different. 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 it a leaky abstraction if implementation of interface calls Dispose

Consider this code: public class MyClass() { public MyClass() { } public DoSomething() { using (var service = new ... I'm right or wrong. 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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935 views

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c# - Need loop to copy chunks from byte array

I have to process a large byte array that is passed to my function. I need to copy the content from this ... get this done? Thanks very much. 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 open a PDF file that is also a project resource?

I have a PDF file that I have imported in as a resource into my project. The file is a help document ... care if Adobe Reader opens seperately. See Question&Answers more detail:os...

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

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483 views

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c# - Using a backing variable for getters and setters

Perhaps this is a silly question, however, I am resonable new to C# (more from a Java background) and have got ... good practice'? Thanks a lot! 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# - IQueryable<T> gives different result than a List<T>

If I use Select on IQueryable on my entity framework result I'll get 4 items as a result. If I use Select ... .Skip(a_start).Take(a_count); } See Question&Answers more detail:os...

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

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461 views

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c# - (Console.BufferHeight) I can't see/scroll to see all the console output with Console.WriteLine

When I run this code, the number at the top of the output window is 99701. Why don't I get to see ... only scroll up through so many newlines? See Question&Answers more detail:os...

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

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675 views

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c# 4.0 - The XML element named 'name' from namespace references distinct types

Please help. I've got an error while deserializing the data from the server, The top XML element 'Name' from ... there's no concreate 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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573 views

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c# - IEnumerable.Select with index

I have the following code: var accidents = text.Skip(NumberOfAccidentsLine + 1).Take(numberOfAccidentsInFile).ToArray(); ... to go old school? See Question&Answers more detail:os...

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

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348 views

1 answer

c# - Ability to find WinForm control via the Tag property

I am working in C# on an existing WinForm project. The original code uses Tag to convey hardware addressing info ... string in this instance). See Question&Answers more detail:os...

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

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768 views

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c# - 'Console' does not contain a definition for 'ReadKey' in asp.net 5 console App

I am creating a Simple application in ASP.NET 5 Console in VS2015 CTP. For the below line of code // Wait for ... i need to add some reference ? See Question&Answers more detail:os...

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

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734 views

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c# - How can I force XDocument to output "UTF-8" in the declaration line?

The following code produces this output: <?xml version="1.0" encoding="utf-16" standalone="yes"?> <customers> < ... FirstName, Age); } } } See Question&Answers more detail:os...

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

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949 views

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c# - How to get float value with SqlDataReader?

In my database, I have NextStatDistanceTime value as a float. When "float time = reader.GetFloat(0);" line excecuted, ... (ex.Message); } } } See Question&Answers more detail:os...

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

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606 views

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c# - Doubling a number - shift left vs. multiplication

What are the differences between int size = (int)((length * 200L) / 100L); // (1) and int size = length ... . Please tell me what am I missing. 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

1 answer

c# - crash in ComboBox coerce (not my code)

I got the stack trace below reported from a customer. I don't know how to reproduce this. My WPF ... , Int32 numArgs, Delegate catchHandler) 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# - System.Environment in .NET Core 1.0

Does anybody knows how to get information about current environment and platform in .NET Core? Currently there are ... class in Core library. 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# - Calling dism.exe from System.Diagnostics.Process Fails

For enabling Microsoft-Hyper-V and Microsoft-Hyper-V-Management in Windows 2008 R2 Server(64bit), I'm calling dism. ... AnyCPU to make it 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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685 views

1 answer

c# - Is there a way to set the AutomationID of an object without using XAML?

I need to automate a Winform application. How do I set the AutomationID (or AutomationName) like the the XAML ... getters only; no setters. See Question&Answers more detail:os...

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

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437 views

1 answer

c# - How to programmatically add a row to a datagridview when it is data-bound?

How can I add a row to a datagridview control if it is bounded to a datasource (datatable) ? 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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430 views

1 answer

c# - Why is IEnumerable.ToObservable so slow?

I am trying to enumerate a large IEnumerable once, and observe the enumeration with various operators attached (Count ... ) than ToObservable(). See Question&Answers more detail:os...

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

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502 views

1 answer

c# - Office Open XMl SDK Writing Numbers to Sheet

I am trying wo write Numbers from a DataTable to an Datasheet - unfortunately, this does not work as ... tutorials with the same approach. See Question&Answers more detail:os...

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

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382 views

1 answer

c# - Service Fabric include additional files

I have a Visual Studios solution containing the following: Service Fabric project Stateless Service Project The ... automated build 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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