Recent questions tagged C#

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(This post is regarding High Frequency type programming) I recently saw on a forum (I think they were ... methods for writing faster code? See Question&Answers more detail:os...

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

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291 views

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c# - Deserialize JSON to multiple properties

I am programming against a third party API which returns JSON data, but the format can be a little strange. ... but there were no answers. See Question&Answers more detail:os...

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

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300 views

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c# - How is an "int" assigned to an object?

How are we able to assign an integer to an object in .NET? Reference types are derived from System.Object and value ... So, how is it possible? See Question&Answers more detail:os...

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

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279 views

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c# - Pass a key stroke (i.e., Enter Key) into application using WatiN scripts

I'm using WatiN testing tool. Can I pass a key stroke (i.e., pressing a enter key) to the application ... . Is this option available in WatiN? See Question&Answers more detail:os...

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

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405 views

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c# - linq to entities, a where in where clause? (inner where)

I have a table with a one to many mapping to a table that has a many to many mapping ... the many_to_many_table.RandomProperty equals myValue. See Question&Answers more detail:os...

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

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300 views

1 answer

c# - How to format individual DropDownlist Items (color, etc.) during onDataBinding event

I have a basic DropDownList bound to a ObjectDataSource: <asp:DropDownList ID="DropDownList1" runat="server" AutoPostBack ... should be easy... See Question&Answers more detail:os...

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

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770 views

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c# - How to get subnet mask using .net?

I want to get client subnet mask using c#. How can I get 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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400 views

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c# - MVC ajax post to controller action method

I've been looking at the question here: MVC ajax json post to controller action method but unfortunately it doesn ... Not Found error each time. See Question&Answers more detail:os...

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

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466 views

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c# - Relative path reference in WebConfig.ConnectionString

Is it possible to specify a relative path reference in connectionstring, attachDbFileName property in a web.config? For ... to the correct path? See Question&Answers more detail:os...

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

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196 views

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c# - How do I stop Visual Studio from inserting "object" when I type "new {"

When editing a C# source file, I type new { Visual Studio auto-corrects it to new object{ Is there a way to stop this 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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684 views

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c# - Compiling a lambda expression results in delegate with Closure argument

When I use Expression.Lambda( ... ).Compile() in order to create a delegate from an expression tree, the ... I prevent it from being there? See Question&Answers more detail:os...

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

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324 views

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c# - Session Management in MVC

I am new in MVC. I am creating new WebApplication in MVC4 Razor. I want to maintain User Login session for ... views in MVC with small 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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369 views

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c# - Customize OWIN/OAuth HTTP status code when rejecting a token request

I've derived OAuthAuthorizationServerProvider in order to validate both clients and resource owners. When I validate ... HTTP status codes? 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# - Accessing a VSTO application-addin types from VBA (Excel)

We have a VSTO application-addin (not a document-addin) for Excel, and we want to expose an event to VBA ... VS 2008 and Excel 2007. 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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232 views

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c# - LINQ to XML optional element query

I'm working with an existing XML document which has a structure (in part) like so: <Group> <Entry> <Name> ... preferred way to do what I want? See Question&Answers more detail:os...

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

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280 views

1 answer

c# - Need to debug my Web API service that's requested from a client machine - need help, how do I do this?

I built a Web API service that's hosted locally on my machine in IIS. I have an iOS app that I'm ... (iOS) that accesses 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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1.0k views

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c# - What is the difference between Aes and AesManaged

I found two class in C# related to AES, and example code of them MSDN provides are similar, what is the ... .aesmanaged(v=vs.110).aspx See Question&Answers more detail:os...

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

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324 views

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c# - What are real life applications of yield?

I know what yield does, and I've seen a few examples, but I can't think of real life applications, have ... cannot be solved some other way) 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# - SelectedValues not working in MultiSelectList mvc

I have a class like public class Category { public int ID { get; set; } public string Name { get; set; } ... working. What I'm doing wrong ? See Question&Answers more detail:os...

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

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205 views

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c# - Authenticate a site/app to access a Web API Service

Brief question: I've a Web API Service in .NET, and a Site made only with HTML and AngularJS. How can authorize ... token but I can't figure 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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558 views

1 answer

c# - Auto Create Database Tables from Objects, Entity Framework

I am trying to do this tutorial http://www.asp.net/mvc/tutorials/getting-started-with-aspnet-mvc3/getting-started-with- ... in C# 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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489 views

1 answer

c# - Is there a ILMerge equivalent tool for Mono?

I'm looking for a open source tool to merge multiple .NET assemblies into a single assembly. See Question&Answers more detail:os...

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

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868 views

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c# - ASP.NET IAuthorizationFilter OnAuthorization

Hi I am trying to implement a custom Authorization filter //The Authourization attribute on a controller public ... 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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1.1k views

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c# - System.Text.Encoding.GetEncoding("iso-8859-1") throws PlatformNotSupportedException?

See subject, note that this question only applies to the .NET compact framework. This happens on the emulators ... on this? Thanks! Andreas See Question&Answers more detail:os...

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

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324 views

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c# - Is it possible to make the WcfTestClient work for custom transport channels?

Goal I would like to be able to both host and connect to a vanilla sockets server via WCF, within the ... </extensions> </system.serviceModel> See Question&Answers more detail:os...

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

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834 views

1 answer

c# - ConfigurationProperty is inaccessible due to its protection level

I wanna read/write (and save) application's configuration file in program The app.config is like this: < ... and System.Configuration to true See Question&Answers more detail:os...

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

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260 views

1 answer

c# - How to determine which fields where changed in a Linq-To-Sql Object

I I have a linq-to-sql database in which I want to log some of the changes made to an entity. Right ... modified in an updated entity?? 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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862 views

1 answer

c# - Count rows within partition in Azure table storage

I've seen various questions around SO about how to get the total row count of an Azure storage table, but ... of entity data into memory? See Question&Answers more detail:os...

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

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