Recent questions tagged .NET

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.net - How to create a non rectangular window form in c#?

Is there any way of creating a non rectangular window form, such as circle or ellipse, in c# or .net? I ... as sustainability, crashes, etc.? See Question&Answers more detail:os...

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

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.net - How many System.Timers.Timer instances can I create? How far can I scale?

I have an application which makes use of System.Timers.Timer objects to do expirations and email notifications and ... I handle the expirations? See Question&Answers more detail:os...

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

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.net - Cannot preserve reference to array or readonly list, or list created from a non-default constructor

I came across the below question which is mostly identical to the issue I am having: JSON.NET cannot handle ... attribute on the Tests property. See Question&Answers more detail:os...

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

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.net - Timeout for OracleDataReader.Read Method

The ODP.NET OracleCommand class has a CommandTimeout property that can be used to enforce a timeout for the ... certain amount of 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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.net - PowerShell: Creating a Custom Exception

Here is my code: Function Foo { If (1 -Eq 2) { # Do stuff } Else { # Throw custom exception } } Try { Foo ... Catch to fire. How can I do 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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.net - WPF MVVM Creating Dynamic controls

WPF MVVM Creating Dynamic controls - I have a grid on which I have a job's (you can say something like a ... can differ for every single job. See Question&Answers more detail:os...

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

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.net - How do I set the Windows system clock to the correct local time using C#?

How do I set the Windows system clock to the correct local time using 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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.net - Function Imports in Entity Model with a non-Entity Return Type

I have a stored procedure in my Entity Data Model and added it to the function imports. Problem is... Visual Studio ... .1 SP (Service Pack 1) See Question&Answers more detail:os...

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

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.net - How can I determine if a SQL Server stored procedure parameter has a default?

Is there a way to determine programmatically if a SQL Server stored procedure parameter has a default? (Bonus points if ... an SMO object, etc. See Question&Answers more detail:os...

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

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.net - FtpWebRequest "The remote certificate is invalid according to the validation procedure"

I have a .NET client application that tries to ftp over a file to an FTP site which has a self-signed TLS/ ... ideas on how to fix this issue? See Question&Answers more detail:os...

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

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569 views

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.net - Can we unzip file in FTP server using C#

Can I extract the ZIP file in FTP and place this extracted file on the same location using 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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.net - BDD And Unit Testing

I have been doing TDD and was using it more as unit testing than to drive my design. Recently I have read a ... like to lower the defect rate. See Question&Answers more detail:os...

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

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332 views

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.net - C#: Restricting Types in method parameters (not generic parameters)

I'd like to code a function like the following public void Foo(System.Type t where t : MyClass) { ... } In ... t have to be checked at runtime? See Question&Answers more detail:os...

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

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432 views

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.net - Application Level shortcut keys in WPF

In WPF application I am currently trying to bind a Command to launch a calculator Tool form any where in ... application. 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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794 views

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.net - WPF - LayoutUpdated event firing repeatedly

I've been adding a bit of animation to my WPF application. Thanks to Dan Crevier's unique solution to animating ... N children in the panel. See Question&Answers more detail:os...

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

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671 views

1 answer

.net - WPF: How to freeze a ListView header row so that it won't scroll off the screen

I am new to WPF development, I have a ListView and I want to freeze the header row so that it won't scroll off ... ="{Binding ColB}" /> [etc] See Question&Answers more detail:os...

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

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414 views

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.net - Force the TCP/IP protocol in connection string

I have a database driven website written in asp.net. I'd like to modify the connection string to force protocol ... ="System.Data.SqlClient" /> See Question&Answers more detail:os...

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

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530 views

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.net - Windows Application has stopped working :: Event Name CLR20r3

I developed an applicatin using Visual Studio.Net 2008 Team System with Infragistics Net Advantage Tools ... :Windowssystem32en-USerofflps.txt See Question&Answers more detail:os...

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

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435 views

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.net - Common Language Runtime detected an invalid program in Visual Studio

I have been using Visual Studio 2008 quite long but lately I am getting this message when I am developing ... have Visual Studio and Netbeans. See Question&Answers more detail:os...

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

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295 views

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.net - Usage of Extension Methods

When does using extension methods make sense? Does adding extension methods to a type affect performance? These ... about Extension Methods. See Question&Answers more detail:os...

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

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473 views

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.net - Regex using word boundary but word ends with a . (period)

want to match word i.v. case insensitive have pattern (?i)i.v. but want a word boundary on the end the above ... .v. at the end of a line See Question&Answers more detail:os...

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

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2.8k views

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.net - Entity Framework: "ProviderName" in connection string required- all of the sudden?

We've been using Entity framework in a production environment for many months now, and just yesterday started to ... any hints or insights? See Question&Answers more detail:os...

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

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518 views

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.net - Adding EXIF Info to Images in C#

I want to add basic exif info to images like author,camera model,date etc.Is there a way to do this using ... ,BMP,GIF Support all EXIF Fields. See Question&Answers more detail:os...

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

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357 views

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.net - Property hiding and reflection (C#)

Declaring a property in a derived class that matches the name of a property in the base class "hides" it ( ... but is there a cleaner solution? See Question&Answers more detail:os...

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

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799 views

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.net - Reference to undeclared entity 'nbsp' while reading xml from URL in c#?

XmlDocument xmldoc = new XmlDocument(); xmldoc.XmlResolver = null; xmldoc.Load("URL"); XmlWriter xmlWrite = ... to undeclared entity 'nbsp' See Question&Answers more detail:os...

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

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555 views

1 answer

.net - Call DLL from Java using JNA

I am new to accessing DLLs from Java using JNA. I need to access methods from a class within a DLL( ... .GetEnrollcontext(enrollContext))); } } See Question&Answers more detail:os...

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

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484 views

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.net - render math equations for websites latex

I'm looking for a standalone math equation renderer that generates a gif or png file. It should be able to take ... of them seem to work well. 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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.net - Add header to all* HTTP requests on a machine

I need to be able to append an HTTP header (or modify the user agent string) sent by most HTTP requests ... . HTTPS traffic is another problem. See Question&Answers more detail:os...

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

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