Recent questions tagged C#

0 votes

548 views

1 answer

c# - Sending cookies using HttpCookieCollection and CookieContainer

I want to tunnel through an HTTP request from my server to a remote server, passing through all the cookies. So I ... or is there a better way? See Question&Answers more detail:os...

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

0 votes

326 views

1 answer

c# - Cannot access protected member 'object.MemberwiseClone()'

I'm trying to use .MemberwiseClone() on a custom class of mine, but it throws up this error: Cannot access ... can I clone an Enemy class? See Question&Answers more detail:os...

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

0 votes

156 views

1 answer

c# - Entity Framework Exception: Invalid object name

I am trying to create database using Code First approach. When I run the following code I am getting the ... 4-2-code-first-walkthrough.aspx See Question&Answers more detail:os...

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

0 votes

249 views

1 answer

c# - How to initialize generic parameter type T?

Simple question: If you have a string x, to initialize it you simple do one of the following: string x = ... does not have the new() constraint See Question&Answers more detail:os...

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

0 votes

568 views

1 answer

c# - How to get the file size of a "System.Drawing.Image"

I am currently writing a system that stores meta data for around 140,000 ish images stored within a legacy image ... } image.Dispose(); } See Question&Answers more detail:os...

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

0 votes

645 views

1 answer

c# - How to retrieve a list of Memory Cache keys in asp.net core?

To be succinct. Is possible list all register keys from Memory Cache in the .Net Core Web Application? ... anything in IMemoryCache interface. See Question&Answers more detail:os...

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

0 votes

367 views

1 answer

c# - Cannot step into a method returning IEnumerable<T>?

I have a method that returns an IEnumerable like this.. public virtual IEnumerable<Page> ToPages(){ // foreach ... know why this might occur? See Question&Answers more detail:os...

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

0 votes

541 views

1 answer

c# - Web Api Model Binding and Polymorphic Inheritance

I am asking if anyone knows if it is possible to to pass into a Web Api a concrete class that inherits from ... is called the object is null See Question&Answers more detail:os...

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

0 votes

141 views

1 answer

c# - select specific columns when using include statement with entity framework

When I need a hierarchal (parent-child) relationship, I typically use the Include statement in my EF query. Example ... = highValuet } Edit #3 See Question&Answers more detail:os...

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

0 votes

405 views

1 answer

c# - DateTime.Today.ToString("dd/mm/yyyy") returns invalid DateTime Value

I am trying to get todays date in GBR format but, DateTime.Now.ToString("dd/mm/yyyy"); returns with the ... 04. Any ideas why this happened? See Question&Answers more detail:os...

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

0 votes

579 views

1 answer

c# - How to change Panel Border Color

In the properties of a Panel I have set the border style to Fixed Single. When I am running my application it ... I make the border in yellow? See Question&Answers more detail:os...

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

0 votes

486 views

1 answer

c# - Why can't I create Shared Project in Visual Studio 2015?

I downloaded visual studio community 2015. I tried to create a Shared Project and am getting an error: Content from ... folder with name 8.1 See Question&Answers more detail:os...

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

0 votes

181 views

1 answer

c# - How to determine if a string is a valid variable name?

I'm looking for a quick way (in C#) to determine if a string is a valid variable name. My first intuition ... due to lack of regex prowess. See Question&Answers more detail:os...

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

0 votes

359 views

1 answer

c# - Registering a new DelegatingHandler in ASP.NET Core Web API

I want to create a new Handler that extends DelegatingHandler to enable me to do stuff before getting as far ... registering my new handler? See Question&Answers more detail:os...

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

0 votes

365 views

1 answer

c# - How to serialize enums to different property name using json.net

I have the following enum public enum PermissionType { [JsonProperty(PropertyName = "can_fly")] PermissionToFly, [ ... find the correct one. See Question&Answers more detail:os...

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

0 votes

1.3k views

1 answer

c# - Remove Properties From a Json String using newtonsoft

I have the following JSON string: { "results":[ { "id":11, "name":"Employee A", "isEmployee":true }, ... done in C# using Newtonsoft JSON.NET? See Question&Answers more detail:os...

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

0 votes

148 views

1 answer

c# - Can you have a class in a struct?

Is it possible in C# to have a Struct with a member variable which is a Class type? If so, where does the ... the Stack, the Heap, or both? See Question&Answers more detail:os...

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

0 votes

242 views

1 answer

c# - Why is OfType<> faster than Cast<>?

In answer to the following question: How to convert MatchCollection to string array Given The two Linq expressions: var ... this is the case :) See Question&Answers more detail:os...

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

0 votes

191 views

1 answer

c# - Get specific property from all items from the list

I have list of Contacts: public class Contact { private string _firstName; private string _lastName; private int _age; / ... .ToList()); } } See Question&Answers more detail:os...

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

0 votes

236 views

1 answer

c# - EF Code First prevent property mapping with Fluent API

I have a class Product and a complex type AddressDetails public class Product { public Guid Id { get; set ... .AddressDetails.Country).Ignore(); See Question&Answers more detail:os...

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

0 votes

172 views

1 answer

c# - Scrollbar on a Label

I need to be able to scroll text on a label i am using this for the credits portion of a tic tac toe game. ... the help of: blah bla blah"; } See Question&Answers more detail:os...

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

0 votes

194 views

1 answer

c# - No increment operator in VB.net

I am fairly new to vb.net and came across this issue while converting a for loop in C# to VB.net I realized ... have == in C# for comparison) See Question&Answers more detail:os...

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

0 votes

181 views

1 answer

c# - How to check if method has an attribute

I have an example class public class MyClass{ ActionResult Method1(){ .... } [Authorize] ActionResult Method2( ... as parameters as well? See Question&Answers more detail:os...

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

0 votes

343 views

1 answer

c# - How do I call a stored procedure from NHibernate that has no result?

I have a stored procedure that logs some data, how can I call this with NHibernate? So far I have ... doing something more fundamentally wrong? See Question&Answers more detail:os...

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

0 votes

602 views

1 answer

c# - #pragma warning disable & restore

I have used c# to create a First Project. I have many warning errors and all these warning errors are to be ... need to remove that or not? See Question&Answers more detail:os...

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

0 votes

1.0k views

1 answer

c# - Configure cron job that is executing every 15 minutes on Hangfire

I am using Hangfire and like the software very much! But one thing I am missing is how to add a recurring job ... there a way to achieve this? See Question&Answers more detail:os...

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

0 votes

532 views

1 answer

c# - Process.HasExited returns true even though process is running?

I have been observing that Process.HasExited sometimes returns true even though the process is still running. My code ... file not found"); } See Question&Answers more detail:os...

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

0 votes

169 views

1 answer

c# - "Could not find a part of the path" error message

I am programming in c# and want to copy a folder with subfolders from a flash disk to startup. Here is my ... a part of the path E:DebugVipBat See Question&Answers more detail:os...

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

Categories

Just Browsing Browsing

Most popular tags