Recent questions tagged C#

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Is there a way to store an operator inside a variable? I want to do something like this (pseudo code): void ... something like this exist in 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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679 views

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c# - During FlowLayoutPanel scrolling, background distorts + flickers

I have a windows form application that has a background. Within it, I have a flowlayoutpanel with a transparent ... 't work. Any suggestions? See Question&Answers more detail:os...

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

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234 views

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c# - Can I send SMTP email through Office365 shared mailbox?

We are thinking about moving to O365; however, we developed software that uses our current Exchange server to send ... What am I 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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374 views

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c# - Is there a list of common object that implement IDisposable for the using statement?

I was wondering if there was some sort of cheat sheet for which objects go well with the using statement... ... , maybe we should make 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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870 views

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c# - Getting "The entity type <model> is not part of the model for the current context."

I am having this issue updating my database 1 column at a time in asp.net using web api. I am trying to query a PUT ... Users { get; set; } } } 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# - OWIN OpenIdConnect Middleware IDX10311 nonce cannot be validated

I have an application using the OWIN middleware for OpenIdConnect. The startup.cs file uses the standard ... fiddler to inspect traffic. See Question&Answers more detail:os...

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

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456 views

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c# - Using Roslyn Emit method with a ModuleBuilder instead of a MemoryStream

I was having trouble with performance when using Roslyn to compile to a dynamic assembly. Compilation was taking ~3 ... not to give up)? See Question&Answers more detail:os...

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

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283 views

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c# - Create anonymous enum value from a subset of all values

Let's say we have an enum type defined as: enum Statuses { Completed, Pending, NotStarted, Started } I'd ... Started, Completed, NotStarted, ... 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 do I access GUI (GTK) from multi threads?

I have a worker thread spawned from a GUI (for GUI performance), how do I access GUI, such as spawning ... ideas? Possibly examples? 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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437 views

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c# - In ELMAH with MVC 3, How can I hide sensitive form data from the error log?

Here is the scenario... User types his username. Types an "incorrect" password. Both username and password values ... guys. 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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254 views

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c# - Visual Studio Professional 2013 Crashes When Opening Solutions/Files

I've been trying to open some of the webpage/database solutions I made while working for my previous employer ... itself, either. Suggestions? See Question&Answers more detail:os...

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

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372 views

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c# - Decimal.Parse and incorrect string format error

I have a simple problem with decimal parsing. The following code works fine on my computer but when I publish ... = decimal.Parse(toConvert); See Question&Answers more detail:os...

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

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384 views

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c# - Create MULTIPLE class files based on an XSD

I may be attempting something that is not possible with the XSD tool but I wanted to ask before moving on to ... for any answers or comments. See Question&Answers more detail:os...

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

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322 views

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c# - How do I detect if I'm running in the console

Is there a simple way to have a code library automatically detect if it's being called from a console ... the environment would be plenty. See Question&Answers more detail:os...

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

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269 views

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c# - "Could not find a part of the path" error while creating Mutex

I'm baffled by this, can someone tell me why, when I call: using (Mutex mtx = new Mutex(false ... something like localhostSQLEXPRESS-MyName-2? See Question&Answers more detail:os...

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

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465 views

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c# - Any CPU - Prefer 32 bit

What does the Any CPU - Prefer 32 bit option do? While I am aware that WinRT can not handle exe and can ... application for Window RT on ARM? See Question&Answers more detail:os...

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

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206 views

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c# - How to get the absolute position of an element?

Assume something simple like: <Grid> <Grid.ColumnDefinitions> <ColumnDefinition Width="300" /> <ColumnDefinition ... position of MainTextBlock? See Question&Answers more detail:os...

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

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822 views

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c# - How to allow CORS for ASP.NET WebForms endpoint?

I am trying to add some [WebMethod] annotated endpoint functions to a Webforms style web app (.aspx and . ... in these [WebMethod] endpoints? See Question&Answers more detail:os...

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

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485 views

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c# - How do I edit the MainWindow constructor of a WPF application?

My mainWindow needs to subscribe to some events from an object. The object is initialized before the MainWindow is ... for the entire program? See Question&Answers more detail:os...

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

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240 views

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c# - Is developing in Mono cross-platform?

In what measure is developing with mono cross-platform? How do I compile for Windows (in Linux), how do I ... (except cross-platform thinghie)? See Question&Answers more detail:os...

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

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244 views

1 answer

c# - Regex to get everything after the first space

What would the syntax to get all the words in a string after the first space. For example, bobs nice house. So the ... ,[sS]*$ > not compiling. See Question&Answers more detail:os...

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

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210 views

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c# - Within the Containing Class, Use Property or Field?

Is it good practice to use the private field, or the property, when writing code in the class that contains ... -practice policy to follow here. See Question&Answers more detail:os...

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

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218 views

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c# - Dependency Injection in Model classes (entities)

I am building an ASP.NET Core MVC application with Entity Framework Code-First. I chose to implement a ... pattern or something like that. See Question&Answers more detail:os...

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

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363 views

1 answer

c# - How to add Headers in HTTPContext Response in ASP.NET MVC 3?

I have a download link in my page, to a file I generate by the user request. Now I want to display the file ... . Can you guys help me 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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225 views

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c# - How to start a List<Task> in parallel?

I have an object that returns a System.Threading.Tasks.Task: public class MyClass { public Task GetTask(object state, ... to code this? 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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391 views

1 answer

c# - Reading data from excel 2010 using Microsoft.Office.Interop.Excel

I am not able to read data in Excel. Here is the code I am using: using Excel = Microsoft.Office.Interop.Excel; ... value. How can I fix 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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294 views

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c# - When does File.ReadLines free resources

When working with files in C#, I am conditioned to think about freeing the associated resources. Usually this ... locks is non-deterministic? See Question&Answers more detail:os...

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

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472 views

1 answer

c# - Gridview get Checkbox.Checked value

I have a GridView that has 10 columns populated by CheckBoxes. But instead of using FindControl() is there a way ... </Columns> </asp:GridView> See Question&Answers more detail:os...

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

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