Recent questions tagged C#

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c# - Which controls have ViewState maintained?

I am trying to wrap my head around the control infrastructure to understand which ones ASP.NET maintains ... will have viewstate maintained? 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# - Is it safe to call BeginXXX without calling EndXXX if the instance is already disposed

When using the Asynchronous Programming Model it is usually recommended to match every BeginXXX with an EndXXX, ... throughout this site. See Question&Answers more detail:os...

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

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571 views

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c# - Dynamically (programatically) adding check boxes and checkedchanged events

I am having a bit of a problem adding a few check boxes and an event handler programatically. The check boxes all ... .Text += x.Text; } See Question&Answers more detail:os...

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

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554 views

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c# - Unable to upload large files to Google Docs

I am uploading documents on Google Docs as: DocumentsService myService = new DocumentsService(""); myService.setUserCredentials ... API ver 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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c# - problem Storing a list of Objects in Isolated Storage

I am trying to store a list of objects I created in the isolated storage and be able to display them in a list ... ; } } Thank you 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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665 views

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c# - Asp.net Core HttpClient has many TIME_WAIT or CLOSE_WAIT connections

I use AddHttpClient() dependency injection to add a named client to a transient service. At times, when I execute netstat ... ; return Ok(); } } See Question&Answers more detail:os...

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

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622 views

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c# - Remove duplicate words from a string

I need to remove duplicate words from a string. How would I go about doing 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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c# - Storing a double with 2 digit precision

How do I convert a double to have precision of 2 places? For ex: double x = 1.00d; Console.WriteLine(Math. ... prints 1.00. Thanks, -Mike See Question&Answers more detail:os...

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

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688 views

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c# - RegAsm failing for a .NET 4.0 assembly using Microsoft.Bcl.Async

RegAsm failing for a .NET 4.0 assembly using Microsoft.Bcl.Async with the following message: RegAsm ... resolves bindingRedirect instructions? 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# - Rows cannot be programmatically added to the DataGridView's rows collection when the control is data-bound

I have a grid and when data is loaded in grid; I simply select a row and press edit button. On edit, ... this error and how to overcome 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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593 views

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c# - How to detect real-time change of text files?

I am stating to write a little PC tool to read log files using c# or java. The log files will be ... pseudo codes will 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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585 views

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c# - Retrieve Local variable name from PDB files

i'm currently trying to retrieve source code from IL bytecodes and PDB files, i'm arrived to the point where i ... in advance for you replies ;) 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# - BindingSource with DataGridView Combo Box

I know you can use the BindingSource object with a DataGridView. Is it possible to have a combo box in ... take advantage of the BindingSource? See Question&Answers more detail:os...

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

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572 views

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c# - EntryPointNotFoundException in SQLite after displaying FolderBrowserDialog

When using a 64-bit program System.Data.SQLite is throwing the following EntryPointNotFoundException: Unable to find ... in another 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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624 views

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c# - Null TempData when passing data from controller to view MVC

I have the following class in a Controller passing data to a View: public ActionResult ControllerToView(){ ... ... in the same controller. See Question&Answers more detail:os...

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

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487 views

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c# - Implementing read-only properties with { get; }

Why doesn't this run: class Program { static void Main(string[] args) { Apple a = new Apple("green"); } } ... ) { this.Colour = colour; } } See Question&Answers more detail:os...

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

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539 views

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c# - Dynamically call a method on a generic target

I have a generic interface ICommandHandler<> that will have a number of implementations each for processing a specific ... (command); } } See Question&Answers more detail:os...

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

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572 views

1 answer

c# - Getting FileHelpers 2.0 to handle CSV files with excess commas

I am currently using the FileHelpers library (v2.0.0.0) to parse a CSV file. The CSV file is mapped to a ... just not seeing it in the docs. See Question&Answers more detail:os...

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

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698 views

1 answer

c# - Show Hotkeys at All Times

Is is possible to make the underlining hotkey always visible on my controls without having to press the Alt key in ... to happen a certain 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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599 views

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c# - Importing data from XML file to SQL database

Is it possible to import data from XML file to a SQL database, and if yes, how would that be done. I ... would be better, please advise. 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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628 views

1 answer

c# - string.GetHashCode() returns different values in debug vs release, how do I avoid this?

To my surprise the folowing method produces a different result in debug vs release: int result = "test".GetHashCode(); ... * 0x5d588b65)); } } See Question&Answers more detail:os...

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

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557 views

1 answer

c# - Why is Nullable<T> nullable? Why it cannot be reproduced?

When I write Nullable<Nullable<DateTime>> test = null; I get a compilation error: The type 'System.Datetime?' ... why it's not 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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741 views

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c# - Creating a Hello World in Visual Studio with Xamarin Forms Fails

I'm referencing this solution/question The type or namespace name 'Xamarin' missing in xamarin studio However its ... new-to-Xamarin crowd? See Question&Answers more detail:os...

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

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637 views

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c# - Order catch blocks when try to handle an exception

try { // throws IOException } catch(Exception e) { } catch(IOException e) { } when try block throws ... it call the first catch block? See Question&Answers more detail:os...

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

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943 views

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c# - How can I get a list of all open named pipes in Windows and avoiding possible exceptions?

Getting the list of named pipes is in ideal case pretty simple and can be found here: How can I get a ... of all opened named pipes? 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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738 views

1 answer

c# - Purpose of form1.designer.cs and form1.resx

I've been doing vb.net for a while and I don't understand the purpose of these two files: form1.designer. ... someone please explain them to me? See Question&Answers more detail:os...

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

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634 views

1 answer

c# - Trouble inserting DateTime into Access with OleDb

I get the "data type mismatch in criteria expression" error when trying insert a row of data into Access. ... = DateTime.Parse(abg.LabDate); See Question&Answers more detail:os...

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

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668 views

1 answer

c# - Stopwatch in a Task seems to be additive across all tasks, want to measure just task interval

I'm running in a loop and kicking off tasks in the following manner: var iResult = new List<Task>(); ... (as measured by another timer). See Question&Answers more detail:os...

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

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