Recent questions tagged C#

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c# - Trying to understand of DependencyProperty

Being new to WPF, and its apparently amazing ability to change, bind, enable, and otherwise manipulate. I'm ... grasp this stuff. 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# - String.Split in a Linq-To-SQL Query?

I have a database table that contains an nvarchar column like this: 1|12.6|18|19 I have a Business Object that ... .net 3.5SP1 if that matters. 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 embed a Console application inside a Winforms application

I'm developing an application which acts as a GUI for Minecraft Server (runs as a console Java application) ... 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# - Reference DLLs not loading in Visual Studio 2010

I'm working on a C# 4.0 project in VS2010 and needed to use some older DLLs containing controls that were ... WinForms projects that don't 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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344 views

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c# - HttpContext and TelemetryInitializer

I want to attach the user's "client_id" claim as a property to every request sent to Application Insights. From ... achieve what I want to 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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415 views

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c# - KeyDown event - how to easily know if the key pressed is numeric?

I am currently handling the KeyDown event of a DataGridView control. One of the columns is filled by calculated ... numeric values... 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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491 views

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c# - Can I have multiple colors in a single TextBlock in WPF?

I have a line of text in a textblock that reads: "Detected [gesture] with an accuracy of [accuracy]" In WPF, ... red. Is this possible in WPF? See Question&Answers more detail:os...

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

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580 views

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c# - FileSystemWatcher triggers for filestream open

I have a filesystemwatcher that will trigger an event when a file is modified. I want to read from that ... for read access. 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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c# - Dynamic panel element adding and scrollbars

I wrote a function to dynamically add elements to the "Panel". public int State; public Point Point = new Point ... you. sorry for bad english See Question&Answers more detail:os...

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

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436 views

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c# - Using parenthesis in Regular Expressions pattern

I've a string "This text has some (text inside parenthesis)". So i want to retrieve the text inside the ... of them is working. 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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366 views

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c# - Are generic classes not supported as models in Entity Framework?

I am trying to do something like this : public class TrackerContext : DbContext { public bool TrackNewValues { get; set; } ... { 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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666 views

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c# - Where should I put Database.EnsureCreated?

I have an Entity Framework Core + ASP.NET Core application and when my application starts up I want to ... called once per application run? See Question&Answers more detail:os...

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

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810 views

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c# - System.InvalidOperationException due to collection modification on call to Application.Exit()

I've got this really, really weird error that I've never been able to pin down (it happens very rarely). ... that MS wasn't expecting.. See Question&Answers more detail:os...

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

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338 views

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c# - Visual Studio showing wrong values while debugging?

I was debugging my code when I saw something weird. Basically it came down to this: What you see here is an ... accordingly if this is the case. See Question&Answers more detail:os...

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

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380 views

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c# - Excel Get_Range with multiple areas

I'm trying to get a range from Excel, which has multiple areas specified, essentially I've got... int ... Anyone provide any help? Cheers. See Question&Answers more detail:os...

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

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438 views

1 answer

c# - Can a Task have multiple awaiters?

I am toying around with an async service for a Windows 8 project and there are some async calls of this ... some drawbacks to this 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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561 views

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c# - How to programmatically modify assemblyBinding in app.config?

I am trying to change the bindingRedirect element at install time by using the XmlDocument class and modifying the ... access to this section. See Question&Answers more detail:os...

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

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481 views

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c# - What is the role of "MaxAutoRenewDuration" in azure service bus?

I'm using Microsoft.Azure.ServiceBus. (doc) I was getting an exception of: The lock supplied is invalid. ... the longest message lock duration? See Question&Answers more detail:os...

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

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323 views

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c# - Assign to interface array initializator compiles but why?

Today I was thinking it would be neat to make anonymous object which is type of some interface, and I have seen on SO ... { 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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532 views

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c# - Serialize data to json string with dynamic property names

I have a method which accepts a key and a value. Both variables can have a dynamic content. key => is a dynamic ... I am using .NET 3.5 sadly. See Question&Answers more detail:os...

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

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815 views

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c# - Is it possible to create a generic Int-to-Enum Converter?

I'd like to be able to say <DataTrigger Binding="{Binding SomeIntValue}" Value="{x:Static local:MyEnum. ... me this kind of functionality? See Question&Answers more detail:os...

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

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383 views

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c# - Preventing Winform from being maximized?

I want to prevent my desktop application from being maximized. It should not become maximized by any means - ... this thing 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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388 views

1 answer

c# - Calling click event of a button serverside

How can I click or load the click() event of a button in codebehind? I already tried btn.Click(); but this gives an error. I am using ASP.NET See Question&Answers more detail:os...

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

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358 views

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c# - how to get LIKE clause to work in ADO.NET and SQL Server

I am doing a really simple query in ASP.NET, but after I inserted the LIKE clause it stops working. Example: ... to do with the '' quotes? See Question&Answers more detail:os...

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

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486 views

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c# - Appending Text to File Windows store Apps (windows RT)

I am looking for a way to append strings-text to a file in a Windows Store App. I have tried reading the ... access the file what should I 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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640 views

1 answer

c# - Get just the hour of day from DateTime using either 12 or 24 hour format as defined by the current culture

.Net has the built in ToShortTimeString() function for DateTime that uses the CultureInfo.CurrentCulture.DateTimeFormat. ... do this? 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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372 views

1 answer

c# - How can I extract a list of Tuple from a specific table with Entity Framework / LINQ?

I need to extract a list of couple 'ID'/'Name' from a large table in C# .NET with Entity Framework. I ... my problem ? Best regards, Alex See Question&Answers more detail:os...

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

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351 views

1 answer

c# - JSON Deserialization - String Is Automatically Converted To Int

When I deseiralize the JSON to the C# object below, either using Newtonsoft explicitly or via the model binding ... : int id; string name See Question&Answers more detail:os...

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

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