Recent questions tagged C#

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I'm getting ready to start a new project and I've been researching the entity framework. My question is ... All advice is 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# - How best to use XPath with very large XML files in .NET?

I need to do some processing on fairly large XML files ( large here being potentially upwards of a gigabyte ) in ... folks can set me right... See Question&Answers more detail:os...

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

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276 views

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c# - VSTS Build Pipeline: Test fails connecting to Azure Key Vault

I am trying to use VSTS (now Azure DevOps) to do a CI/CD pipeline. For my build pipeline, I have a very ... if my approach is okay to 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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154 views

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c# - What are some examples of MemberBinding LINQ expressions?

There are three possibilities, but I can't find examples: System.Linq.Expressions.MemberAssignment System.Linq. ... this MSDN article. 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# - ASP.Net MVC4 configuration error after installing MySQL Connector .NET

I'm creating a MVC4 web application project.When i'm using empty project and simply run it on browser it ... ' could not be loaded. See Question&Answers more detail:os...

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

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359 views

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c# - Azure Functions: configure blob trigger only for new events

I have about 800k blobs in my azure storage. When I create azure function with a blobTrigger it starts to ... for new and updated blobs? 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# - Does threadpool get shared between application domains?

Consider a process which is creating multiple application domains. Do these Application domains share same ... multiple application domains? 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# - How to auto log every request in .NET Core WebAPI?

I'd like to have every request logged automatically. In previous .Net Framwork WebAPI project, I used to register ... that in .NET Core WebAPI? 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 make an autocomplete TextBox in ASP.NET?

How do I make an autocomplete TextBox in C# that binds to a data source? 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# - Throwing an exception vs Contract.Requires<T>?

I'm wondering whether should I throw exceptions or call Contract.Requires<TException> For example: public static ... what kind of situation? See Question&Answers more detail:os...

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

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1.7k views

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c# - How to convert pdf Byte[] Array to downloadable file using iTextSharp

Hei guys I have this byte array i want to convert to pdf and make it available for download. Anybody has ... , "application/pdf"); } See Question&Answers more detail:os...

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

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315 views

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c# - How to insert 'Empty' field in ComboBox bound to DataTable

I have a combo box on a WinForms app in which an item may be selected, but it is not mandatory. I ... domains. Thanks for your collective input. See Question&Answers more detail:os...

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

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134 views

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c# - Referencing a .NET Standard library from a Windows Class Library

There are two projects in my solution currently: a Windows Class Library (targeting .NET Framework 4.6.1) and ... : Restore completed in 417ms. See Question&Answers more detail:os...

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

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215 views

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c# - Assembler library for .NET, assembling runtime-variable strings into machine code for injection

Is there such a thing as an x86 assembler that I can call through C#? I want to be able to pass ... to inject into another process altogether. See Question&Answers more detail:os...

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

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119 views

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c# - Explanation of the projects section in Global.json in ASP.NET 5

I noticed that when creating a new ASP.NET 5 project there is a src directory which completely makes sense to me ... one big one on the outside. See Question&Answers more detail:os...

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

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121 views

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c# - What is the scope of a Static Class?

I have an assembly that may be used by more than one process at a time. If I am using a static class ... am calling "multiple processes" above. See Question&Answers more detail:os...

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

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119 views

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c# - Is there a way to use a property with same name but is of different type in derived class?

I have legacy code using the BaseClass and the code is expecting customerid to be of type int. Then I have a ... (); dc.printname(); } See Question&Answers more detail:os...

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

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523 views

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c# - ASP.NET Core MVC Mixed Route/FromBody Model Binding & Validation

I am using ASP.NET Core 1.1 MVC to build an JSON API. Given the following model and action method: ... my model & validation logic together? See Question&Answers more detail:os...

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

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129 views

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c# - What is the best way to handle validation with different culture

I am trying to build a multilingual MVC application. I have a form in my application and I have field to ... /jqueryui{0}", culutureCode)) See Question&Answers more detail:os...

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

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417 views

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c# - How to sort DataGridView when bound to a binding source that is linked to an EF4 Entity

I have a DataGridView that is linked to a BindingSource. My BindingSource is linked to an IQueryable list of entities: ... how do I do 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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376 views

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c# - How to receive JSON in express node.js POST request?

I send a POST WebRequest from C# along with a JSON object data and want to receive it in a Node.js server ... object in Node.js code above? See Question&Answers more detail:os...

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

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276 views

1 answer

c# - ASP.NET MVC 4 Script bundling causes errors upon deployment

My website is working fine on localhost when @Scripts.Render() is not bundling the scripts however when I deploy ... deployment? Thanks, Alex. See Question&Answers more detail:os...

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

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149 views

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c# - How can we hide a property in WebAPI?

I have a model say under public class Device { public int DeviceId { get; set; } public string DeviceTokenIds { ... , how? 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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135 views

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c# - Understanding Text Encoding (In .Net)

I have done very little with encoding of Text. Truthfully, I don't really even know what it means exactly. For ... not a common thing to do? 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# - using MultipartFormDataStreamProvider and ReadAsMultipartAsync

How would i go about using MultipartFormDataStreamProvider and Request.Content.ReadAsMultipartAsync in a ApiController? I ... using web api. See Question&Answers more detail:os...

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

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273 views

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c# - What is a "Sync Block" and tips for reducing the count

We have a Windows Forms application that uses a (third party) ActiveX control, and are noticing in the .NET ... typo or a plumbing joke) See Question&Answers more detail:os...

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

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198 views

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c# - How do I disable all controls in ASP.NET page?

I have multiple dropdownlist in a page and would like to disable all if user selects a checkbox which reads disable ... )).Enabled = false; } See Question&Answers more detail:os...

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

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743 views

1 answer

c# - How to customize the login page of ASP.NET Core web application with Angular Individual user account authentication?

(Environment: Visual Studio 2019 v16.4.3) I create a new "ASP.NET Core Web Application" with the following ... How to customize the login page? See Question&Answers more detail:os...

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

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