Recent questions tagged C#

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c# - WPF How to create a lateral menu like this (Modern-UI)

I'm new on WPF and I want to create a lateral menu for my App. Searching for ideas i found this ... the RadioButtons with Hyperlinks. 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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401 views

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c# - Disabling RichTextBox autoscroll

I am using RichTextBox control for displaying application logs. I am updating control once a second with a few ... there some cleaner solution? See Question&Answers more detail:os...

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

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426 views

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c# - 401 Unauthorized using Yahoo OAuth

My below code returns a 401 Unauthorized error each time at the this point: HttpWebRequest request = (HttpWebRequest) ... I get this 401. See Question&Answers more detail:os...

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

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282 views

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c# - Portable Class Library ICommand compilation error in WPF -- Not sure how to resolve this appropriately?

Some background information: I am using VS 2013 I created a Portable Class Library (Targets: .NET 4.5/ ... ReSharper instead of Microsoft. sigh See Question&Answers more detail:os...

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

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231 views

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c# - Removing controls in a loop

Yesterday I wrote a piece of code to remove all the controls in a form that fulfills certain criteria. ... preferably without using a loop? 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# - MVVM: Is code-behind evil or just pragmatic?

Imagine you want a Save & Close and a Cancel & Close button on your fancy WPF MVVM window? How would you ... instead of pedantic in these cases? See Question&Answers more detail:os...

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

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519 views

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c# - VS Team Test: .Net Unit Testing with Excel as Data Source: Adapter Failed

I am trying to do Unit Testing with Excel as data source. I am getting the following exception. How do we ... unit-test a simple CRUD-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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235 views

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c# - guassian smoothening formula application

How to apply guassian smoothening formula for a graph which is in array? these array are mapped to a ... guassian smoothening formula too. See Question&Answers more detail:os...

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

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416 views

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c# - Would looping Thread.Sleep() be bad for performance when used to pause a thread?

There is (or there has been) a lot of talk about wether it's good or bad to use the Thread.Sleep() ... have never really looked much into them. See Question&Answers more detail:os...

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

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277 views

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c# - XML Schemas -- List allowed attributes/tags at position in XML

Is there a way to query an XmlSchema or XmlSchemaSet for a list of available tags/attributes at a certain point in the ... --></b> </tagset> See Question&Answers more detail:os...

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

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445 views

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c# - Why Iterating through the enum return duplicate keys?

I am working now on some stuff regarding registry. I checked the enum RegistryRights in System.Security.AccessControl. ... the real key value? See Question&Answers more detail:os...

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

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354 views

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c# - Usinq Linq to select items that is in a semi-comma separated string?

I have a string with semi-comma separated names: string names = "Jane;Harry"; I also have a list of customer ... FirstName IN (list) (sort of) See Question&Answers more detail:os...

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

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271 views

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c# - Converting XLSX file using to a CSV file

I need to convert an XLSX file to another CSV file. I've done a lot of research on how to do ... .LoadFromCollection(xlsx.ConvertToCsv()); } 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# - ODP.Net Managed Driver - ORA-12704: character set mismatch in generated code

I am currently using the Oracle Managed Driver (v12.1.2400) as my Entity Framework driver, and am currently ... bug in the Oracle drivers. 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

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c# - BLL, DAL, OBJ and 3 layer architecture

My question is about 3 layer architecture. My project is briefly something like the below, however what annoyed me is ... obj_ ); } Thank you. See Question&Answers more detail:os...

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

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591 views

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c# - WCF Service with wsHttpBinding - Manipulating HTTP request headers

I have been following this tutorial in order to get username authentication with transport security working in my WCF ... : (401) Unauthorized.) See Question&Answers more detail:os...

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

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406 views

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c# - Change TreeNode image on expand-collapse events

I have a treeView with many nodes. I want that some nodes change their image when node collapsed/ ... a class like ExpandAndCollapseNode ? See Question&Answers more detail:os...

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

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386 views

1 answer

c# - LINQ: Join MySql and SQL Server tables

I have related data living on two completely separate databases, and I need information from both of these ... .TableBs.AsQueryable(); } 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# - Access session in class library.

I am developing an application architecture that uses 2 sub projects: a) asp.net web application (it covers ... object in class library 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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607 views

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c# - Win32Exception: Operation completed successfully

The following code crashes with an exception : MyWindow wnd = new MyWindow(); wnd.Show(); //here an ... no concern to MyWindow object. See Question&Answers more detail:os...

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

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800 views

1 answer

c# - "System.Web.HttpContext cannot be serialized because it does not have a parameterless constructor."

I've created a web service that other sites can use to store errors in my database. They can then come to ... my function from the web service? See Question&Answers more detail:os...

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

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410 views

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c# - Silent installation

I am writing a InstallerClass using C# as a custom action for my installer, and I can successfully run an external exe ... "/quiet"; p.Start(); See Question&Answers more detail:os...

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

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414 views

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c# - How to add a menu item to Excel 2010 Cell Context Menu - old code doesn't work

I've tried 3 different code samples and they all fail. Here's the code from a MSFT employee (How to ... functionality change from 2007 to 2010? See Question&Answers more detail:os...

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

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452 views

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c# - Hooking into an "OnLoad" for class library

Does anyone know if there's a way to hook into an "OnLoad" event to run some operations when an assembly ... and must remain invisible to 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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318 views

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c# - Async/Await Execution Difference

I'm trying to get a good grasp of async/await and I want to clear some of the confusion. Can someone please ... I write one over the other ? See Question&Answers more detail:os...

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

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356 views

1 answer

c# - Code Anlysis Rule CA2000 / CA2202

I am trying to ensure my coding follows correct disposal of objects so I am enforcing these rules as errors ... dealing with multiple streams? See Question&Answers more detail:os...

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

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664 views

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c# - SmtpClient.Send attachment maximum size

I am trying to send attachment mails in asp.net pages using SmtpClient.Send() method. It is working fine with 2mb ... above error coming.....? See Question&Answers more detail:os...

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

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576 views

1 answer

c# - EF Core - Many to many relationship on a class

User-Friend relationship I find an answer Entity Framework Core: many-to-many relationship with same entity and ... an Entity FriendEntity:User? See Question&Answers more detail:os...

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

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