Recent questions tagged C#

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c# - Asynchronous methods in using statement

Note: I'm using C# in Unity, that means version .NET 3.5, so I cannot use await or async keyword.. What ... not, how do I correct this example? 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# - WPF listbox. Skip underscore symbols in strings

I have some WPF ListBox which is dynamically populating with items. Something like this : ListBox.Items.Add (new ... (I get strings dynamically) See Question&Answers more detail:os...

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

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784 views

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c# - The type <type> exists in both DLLs

I have 1 DLL in the .Net 3.5 framework and another in 2.0. The ListBoxItem class exists in 2.0 and I ... , I want keep these DLLs separate. 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# - Arithmetic operation resulted in an overflow. (Adding integers)

I can't understand this error: In this call to method SetVolume, Volume = 2055786000 and size = 93552000. Volume is ... What may cause 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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441 views

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c# - How to extract file name from file path name?

I need to move all files from source folder to destination folder. How can I easily extract file name from ... path File.Delete(filePath); } See Question&Answers more detail:os...

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

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747 views

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c# - ConcurrentDictionary enumeration and locking

If I have a ConcurrentDictionary, do I need to lock it when looping thru it using foreach? 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# - Howto write a function taking variable number of arguments in F#

I've got a function in C#, and I'd like to port it (among some other stuff) over to F#, just for the sake of ... a params T[], and if so, how? 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 can I use Debug.Write with dynamic data?

I am doing some scripting of Adobe InDesign. Their COM implementation is really designed for VB, so it's not ... I work around this 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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428 views

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c# - Will a using clause close this stream?

I've apparently worked myself into a bad coding habit. Here is an example of the code I've been writing: using ... ; //File.Delete(errorFile); } 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# - Enable NuGet Package Restore on Visual Studio 2013

I'm following this easy tutorial to start coding with the Google+ API in C#. However, I've been stuck for ... is installed. Any ideas? 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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610 views

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c# - linq to sql Distinct and orderby

var result = table1.Join(table2, o => o.ProgramID, t => t.ProgramID, (o, t) => new { o. ... ProgramID order by t.Program Thanks 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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507 views

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c# - Could not load file or assembly 'System.Web.WebPages'

I've had this problem before, but then all I needed to do was to clean and rebuild the project. Now that doesn ... how to solve this. Any idea? See Question&Answers more detail:os...

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

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484 views

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c# - How can I scroll my panel using my mousewheel?

I have a panel on my form with AutoScroll set to true so a scrollbar appears automatically. How can I make it ... scroll the panel? Thanks SO. See Question&Answers more detail:os...

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

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546 views

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c# - Operator '*' cannot be applied to operands of type 'double' and 'decimal'

I get this message in my program but i don't know how to fix it i have search on the net but don't find any ... and i don't know i can fix 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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c# - Skipping a whole test class in xUnit.net

Is it possible to skip all tests from a specific class like in NUnit [TestFixture] [Ignore("Reason")] public class TestClass { } See Question&Answers more detail:os...

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

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662 views

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c# - Invert "if" statement to reduce nesting

When I ran ReSharper on my code, for example: if (some condition) { Some code... } ReSharper gave me ... problematic, somewhat like "goto". See Question&Answers more detail:os...

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

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394 views

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c# - How to Add datepicker in asp.net Gridview control

I am trying to add datepicker into a Asp.net Gridview control with column name (cheque_date), when i hardcode the id of ... 2050' }); }); }); See Question&Answers more detail:os...

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

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287 views

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c# - MVVM Understanding Issues

A list of my questions towards mvvm, you don't need to answer on your own, links which help me further are ... Button.Click event? Don't they? See Question&Answers more detail:os...

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

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484 views

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c# - ResourceDictionary From External Assembly [read object from UnmanagedMemoryStream]

I have an UnmanagedMemoryStream in below code, How can I get the object from deserilizing it. I was ... exception while Deserialize operation. See Question&Answers more detail:os...

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

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362 views

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c# - how to get all combination of an arraylist?

I have an arraylist of strings "abcde" I want to a method to return another arraylist with all the possible ... is variable(can be changed) See Question&Answers more detail:os...

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

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349 views

1 answer

c# - Show Wpf Window from Console App

I'm simple trying to show a WPF Window from a Console App. In my solution I got a console application ... . Any help is appreciated. regards See Question&Answers more detail:os...

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

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462 views

1 answer

c# - Publishing MVC app that uses python script

I currently have MVC project that calls python script via Process (new processStartinfo("/path/to/python.exe", " / ... gets back (from output). See Question&Answers more detail:os...

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

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362 views

1 answer

c# - Showing custom form before installation?

I am creating a setup for windows application, i want to show a form when user clicks on setup. That form will ... for it. Thanks 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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377 views

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c# - upload file on server webfolder and post json data at the same using asp.net web api

I want to upload files and post json data at the same using asp.net web api, i am not able to figure out ... <JObject> Save(Validate 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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397 views

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c# - return an image using ASP.NET Web API and display it?

web api action : byte[] bytes = System.IO.File .ReadAllBytes( HttpContext.Current.Server.MapPath("~/Images/ ... respond - data in console See Question&Answers more detail:os...

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

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609 views

1 answer

c# - Task not in a faulted state when an exception is thrown

I can't seem to figure out why my task is not in a faulted state when an exception is thrown in the ... an exception and failed. Any pointers? See Question&Answers more detail:os...

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

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312 views

1 answer

c# - ASP.NET MVC upload image

I've found some code to do this and tried to implement it into my project, but so far it has been ... testimonialContext { 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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278 views

1 answer

c# - FIleSavePicker saving 0 bytye file Windows Phone 8

So Im now told that the FileSavePicker only creates a blank file, and that Ill have to write additional code to ... >(ExecuteSaveSoundAs); } } } See Question&Answers more detail:os...

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

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