Recent questions tagged C#

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c# - LINQ 2 SQL query does not work with a function call

I am quite sure this question has already been asked several times and I do apolgize for asking it once again, but ... get really clear to me!! See Question&Answers more detail:os...

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

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516 views

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c# - How to get "visible" size of canvas?

I need to save visible content of Canvas as PNG. I have the folowing method that takes actual size of Canvas ... the bounds of the window? 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# - TwoWay binding on a DataGrid in WPF

I have a WPF DataGrid that I am filling using var allLines = from Lines in ctx.InvoiceLines join PerPs in ... will be very 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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c# - System.Diagnostics.Process.Start problem "Can not find specific file"

When I launch following code on my computer it is works fine string target = e.Link.LinkData as string; ... doesn't works on another computer See Question&Answers more detail:os...

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

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713 views

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c# - Dictionary KeyNotFoundException even though Key exists

I have a RegistryKey as a Key for my dictionary. I cannot seem to set a value for that specific Key. Whatever ... cannot seem to figure it out. See Question&Answers more detail:os...

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

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467 views

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c# - Return values from dialog box

how to send and return values in modal dialog form See Question&Answers more detail:os...

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

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497 views

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c# - change facebook redirect_uri web api

I was wondering if someone could give me a hand or point me in the right direction. I've setup facebook social ... FromResult<object>(null); } } See Question&Answers more detail:os...

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

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598 views

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c# - Close a windows form without exiting the entire application

Environment Windows XP SP3 x32 Visual Studio 2005 Standard Device/Platform: Honeywell Dolphin 9500 with Windows Mobile/ ... the Welcome form } 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# - date difference using datepicker in wpf

Im trying to calculate the how many days there are between two dates and display the result in a textblock, ... Convert.ToString(difference); } 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# - Watin & IE9 - Cant click ok buttons

I'm using Watin to navigate through a large number of different websites, and I'm using the great solution ... (windowButton.Hwnd); } } See Question&Answers more detail:os...

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

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678 views

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c# - Datagridview forcing only one checkbox to be selected in a column

How do I force only a single checkbox to be checked in a column of a Datagridview? 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# - Xamarin how to open xamarin forms page from android project?

I want to open Xamarin forms page from Xamarin Android project. On android project I created toolabar item image, ... derived from a java type. See Question&Answers more detail:os...

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

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830 views

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c# - Passing StringBuilder to PInvoke function

In one of the post Titled "Call a c++ method that returns a string, from c#" Its said that , ... C" REGISTRATION_API void calculate(Intptr msg) 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# - ToUpper() method not working

I am passing a message from a server that gets stored into a string variable called strObject. I wish to convert the string ... .", row); } } } See Question&Answers more detail:os...

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

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610 views

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c# - Windows how to get the process group of a process that is already running?

I have a WPF application that starts a new process using Process.Start(ProcessStartInfo info). How do I get the group ... 't get the value of 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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469 views

1 answer

c# - LINQ Include on a one-to-many with .Where() not working?

I'm trying to query Users including each user's Interests, but only where an Interest meets certain criteria: return ... able to get it working. See Question&Answers more detail:os...

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

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542 views

1 answer

c# - Use cases for async void methods, revisited

I'm aware that the best practice is to avoid async void methods for anything but async event handlers, ... it still executes synchronously. See Question&Answers more detail:os...

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

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932 views

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c# - How to save bool to PlayerPrefs Unity

I have a payment system for my game set up here's my code : void Start() { T55.interactable = false; Tiger2. ... again to set them back to true? See Question&Answers more detail:os...

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

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875 views

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c# - Operator || cannot be applied to type bool and string / string and string

Simple task that I am finding really difficult. Console.Write("[" + CurrentTime + "] Name a day of the week ... difficult, thanks for any 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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531 views

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c# - WCF suspended call

I have a WCF service that implements long-polling. However, I see no way to have each service call spawn a ... if that solution scales. 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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557 views

1 answer

c# - How to detect when main thread terminates?

What I need to know: I would like to detect when a the main thread (process?) terminates so that I can ensure ... a follow up question to 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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384 views

1 answer

c# - "Security" problem with NHibernate on deployed web application

I've deployed to a server a web application that uses NHibernate. The application compiles and runs fine on my local dev ... so I'm at a loss. See Question&Answers more detail:os...

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

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525 views

1 answer

c# - How to extract dynamic ajax content from a web page

My requirement is to extract the required content from a web page. The page has a section which is being ... to get that section content, See Question&Answers more detail:os...

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

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518 views

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c# - Are there NUnit Test Case Attributes for specifying Configuration

I am writing an NUnit test that I want run only in the Release configuration. Is there an elegant way of doing this ... () { // stuff } #endif See Question&Answers more detail:os...

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

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879 views

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c# - How to resolve "The server does not support the control. The control is critical." Active Directory error

When trying to get all users from AD based on a role I was getting the exception: System.DirectoryServices. ... result that paging is supported. See Question&Answers more detail:os...

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

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615 views

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c# - Refresh DataGridView in Windows form

I have two forms let it be Form A and Form B. When I click save button on Form B I want the ... refresh. Which method should I use? See Question&Answers more detail:os...

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

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419 views

1 answer

c# - JSON.NET Partial Update Rest API Client

I am building a C#/.NET 4.5 client for a REST API using JSON.NET. The API supports partial updates; therefore the ... ':'bob', 'notes':null } 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

1 answer

c# - Run program after wpf windows form appears

Hello i have problem with wpf (c#) project. this is my source namespace WpfApplication1 { /// <summary> // ... visual studio 2015 (WPF) project See Question&Answers more detail:os...

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

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