Recent questions tagged C#

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c# - How can I stop asp.net from blocking access to files then throwing access denied errors on build?

I repeatedly get build errors along the lines of the following: Failed to make the following project runnable: <project ... s there at all...) 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# - AutoFixture: PropertyData and heterogeneous parameters

Given the following test: [Theory] [PropertyData("GetValidInputForDb")] public void GivenValidInputShouldOutputCorrectResult( ... resolve 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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c# - Set accessor not being called when I deserialise object from Json.net

public class SpecialObject { public string ID; [JsonIgnore] public List<SpecialObject> SpecialObjectCollection = new ... existing get behavior? See Question&Answers more detail:os...

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

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478 views

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c# - Get Row Index in a list by using entity framework

I have 5 datas in my list. MyList So i want to know , how can i get selected Id's Row Number ? var ... selected Id's row count(index) number ? See Question&Answers more detail:os...

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

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622 views

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c# - MSChart Y-Axis and X-Axis Labelling

I have data plotted onto a MSChsart line graph. On the Y axis I have values ranging form 0 300. could ... Any help 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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1.0k views

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c# - WPF : MenuItem.CommandParameter binding set to null

I have the following ContextMenu defined for my data grid: <igDP:XamDataGrid.ContextMenu> <ContextMenu ItemsSource ... Anyone experienced 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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430 views

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c# - How to Bind to window's close button the X-button

How I can bind one of my buttons on control to X Button that closes the window ? I just want to create ... special code with the button click. See Question&Answers more detail:os...

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

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560 views

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c# - Abort a thread which is running a long query

I have a thread which calls one of the methods, now this method executes a query which can take a very long time ... .5, SQL SERVER DB and C#. 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 change foreground and background text color in console?

I'm writing a console C# program. I would like to change the foreground and the background color of the text 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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388 views

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c# - Using include doesn't change the behavior

Could Someone help me to clarify the difference between : var query = awlt.People.Include(p => p. ... Loading require using Include ? See Question&Answers more detail:os...

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

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745 views

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c# - XMLSerialize Exception

I am serializing a class and I get the following exception: You must implement a default ... System.configuration.ApplicationSettingsBase. See Question&Answers more detail:os...

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

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691 views

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c# - Why do custom file properties, set using the DSOFile library, not persist after saving?

I am currently working on a plugin for AutoCAD that allows users to interact with a document versioning application, and ... // save and close } See Question&Answers more detail:os...

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

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479 views

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c# - How to Use Configuration with ValidateDataAnnotations

I've read the Microsoft documentation of fundamentals for Options and Configuration, but still can't find the ... (IOptions<EmailConfig> config) 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# - What is a difference between "foo is null" and "foo == null"

Is there any difference between: foo is null and foo == 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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721 views

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c# - How to create ImageBrush from System.Drawing.Image in WPF?

I have image in System.Drawing.Image object and I need to create an ImageBrush object (used for Fill property of ... but I can't find one. See Question&Answers more detail:os...

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

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458 views

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c# - MYSQL installation with a .NET winforms app

I have a C# application that's utilizes MYSQL. I'm at a beta release point and need an installation ... help 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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733 views

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c# - "File not found" error launching system32winsat.exe using Process.Start()

I'm trying to run the Windows System Assessment Tool (winsat.exe) using the following code: System.Diagnostics ... ve misunderstood? Thanks, Rex See Question&Answers more detail:os...

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

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432 views

1 answer

c# - The 'TypeIs' expression with an input of type 'Domain.Entities.Request' and a check of type 'Domain.Entities.Base' is not supported

I'm getting this error: The 'TypeIs' expression with an input of type 'Domain.Flood.Entities.Things.SomeObject' ... I'm leaving something 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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508 views

1 answer

c# - Should I use Invoke or SynchronizationContext to update form controls from another thread?

Trying to wrap my head around updating UI controls from other threads. Currently using BeginInvoke and honestly it's ... .. So many choices x_x See Question&Answers more detail:os...

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

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1.0k views

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c# - How to set Binding Context of ListView button to the binding context of parent in Xamarin Forms

Basically, I have a ListView with a DataTemplate Selector that uses a particular DataTemplate basing on the ... .Content> </ContentPage> See Question&Answers more detail:os...

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

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629 views

1 answer

c# - Custom RoutedEvent as EventTrigger

I have my own shape class public sealed class MirrorTile : Shape and in this class I added the event public static ... can I fix 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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715 views

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c# - UseDestinationValue only when destination property is not null

How to configure AutoMapper mapping when I want to use behaviour from UseDestinationValue method, but only when ... instance. Thanks, Chris See Question&Answers more detail:os...

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

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820 views

1 answer

c# - ASP.NET error on Bitmap.Save "Exception (0x80004005): A generic error occurred in GDI+."

I have a function which first reads an image from disk, resizes it and then saves to another ... .comhttpdocsProduct.aspx.cs:20 See Question&Answers more detail:os...

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

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638 views

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c# - Xml.Linq: Descendants() returns nothing

I am trying to read from an ncx file (i.e. xml file) using XElement: XElement foundNode = ncx.Descendants(" ... what is wrong here? 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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375 views

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c# - Access to Configuration object from Startup class

I would like to access to the Active Directory from my company in many controllers from my ASP.NET vNext project ... into the Startup class ? See Question&Answers more detail:os...

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

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805 views

1 answer

c# - Process.kill() denied in Windows 7 32bits even with Administrator privileges

Hello every one. I'm faced with a weird problem. My application has a simple method that in case IE ... correct this weird problem. 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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478 views

1 answer

c# - how not to allow multiple keystokes received at one key press?

when we press a key and keep pressing it the keypress and keydown event continuously fires. Is there a way to let ... presses 'p' for 1 sec. See Question&Answers more detail:os...

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

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709 views

1 answer

c# - How can I remove the border padding on container controls in WinForms?

I set margin and padding to 0 0 0 0 but that doesn't have any effect for my TabControls. Look: Here is what I ... - yes, what's wrong with 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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