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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492 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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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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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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442 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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477 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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578 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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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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454 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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654 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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787 views

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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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803 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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589 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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590 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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449 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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512 views

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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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903 views

1 answer

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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860 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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504 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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533 views

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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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361 views

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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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513 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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501 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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863 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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597 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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395 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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438 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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