Recent questions tagged C#

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c# - A random cross-thread operation exception for Winforms multithreaded UI operation

For some reason, this safe-looking method raises a classic exception. Cross-thread operation not valid: ... IDocumentReplacer.cs: line 123 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# - OLEDB, Writing Excel cell without leading apostrophe

I'm writing to Excel file using OLEDB (C#). What I need is just RAW data format. I've noticed all cells (headers ... , 'abc etc...) Any idea? See Question&Answers more detail:os...

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

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521 views

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c# - Generic List, items counting with conditional-statement

I have a Generic List. it has a ListfilesToProcess.Count property which returns total number of items, but I want ... item.IsChecked == 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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c# - Get Second to last character position from string

I have a dynamically formed string like - part1.abc.part2.abc.part3.abc In this string I want to know ... method available to get 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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433 views

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c# - WPF rotating button

Help me plz. I need to animate rotation of the button on z-axis without using external libraries, only with C# and ... can I do that? 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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402 views

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c# - Cambria Math big top and bottom margin

I wanted to show some mathematical expressions in a winforms textbox. So I thought the "Cambria Math" font would be ... textbox is set to 8.25pt See Question&Answers more detail:os...

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

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340 views

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c# - Is it possible to get code coverage data for integration tests using Visual Studio?

I am testing a ASP.NET application and would like to get code coverage information about how much of the product ... tests. Can this be done? See Question&Answers more detail:os...

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

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395 views

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c# - Setting properties of an object through reflection with different properties types

I am using reflection to populate the properties of an object. These properties have different types: String, Nullable( ... } } Thanks, Stefano 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# - .net durable resource manager for transactional filesystem access

I'm trying to wrap my head around the use of the System.Transactions namespace in C#. I've found some ... I need to implement my own? See Question&Answers more detail:os...

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

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296 views

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c# - Very basic usage of sitecore search

I am trying to setup a very basic search index, to index all items in a specific folder. I haven't really ... not looking in the right place.. See Question&Answers more detail:os...

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

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617 views

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c# - How to call extension method "ElementAt"of List<T> with reflection?

I have problem that after creating object "oListType01" of type List < MyClass01 > and after assigning it to the another ... object[] { 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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432 views

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c# - Validation-Textboxes allowing only decimals

I am using following code for validating textbox. private void textBox1_KeyPress(object sender, KeyPressEventArgs e) { ... .Can anybody help? See Question&Answers more detail:os...

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

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896 views

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c# - Remove empty xmlns="" after Xml Serialization

So I am still asking questions about this topic :-( So I create an object, decorate it with the Xml ... . Any help is 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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507 views

1 answer

c# - Keyboard won't dismiss even after Focus change

I am creating a Windows 8.1 app and after the user presses a button, a popup opens over most of ... open automatically dismisses the keyboard. See Question&Answers more detail:os...

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

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542 views

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c# - Why can't I expose an interface in a .NET asmx web service?

I have a .NET web service (using asmx...have not upgraded to WCF yet) that exposes the ... WidgetVersion1 and WidgetVersion2 class definitions? 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

1 answer

c# - How to get mouse position over a certain control

Windows Form I'm using the DragOver event on a layoutpanel and the DragEventArgs returns the X/Y coordinates ... having difficulty locating 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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411 views

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c# - How to get StackTrace without Exception in Windows Universal 10 App

I know it was possible to use: System.Diagnostics.StackTrace t = new System.Diagnostics.StackTrace(); but that ... it needs an Exception-Object. See Question&Answers more detail:os...

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

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364 views

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c# - LINQ to Entities does not recognize the method 'Int32

public ActionResult ReadXMLDevices(int groupID) { var query = from k in XMLEntities.unassigneditems where k.DevOrAcc == ... to resolve 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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353 views

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c# - How do I resolve the root and relative paths of TFS folders on the server?

I have created a CodeActivity for use in (custom) build definitions. This activity needs to copy files located on ... I am trying to accomplish. See Question&Answers more detail:os...

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

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535 views

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c# - Passing data from Partial View to its parent View

If I have a View and a Partial View, is there any way that I can pass data from the Partial ... Stuff"] still renders nothing unfortunately. See Question&Answers more detail:os...

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

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536 views

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c# - MainWindow constructor getting called twice

I am trying to set the DataContext of the MainWindow to its ViewModel in App.OnStartup. I noticed when doing that, ... ; mainWindow.Show(); } } See Question&Answers more detail:os...

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

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393 views

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c# - LongListSelector Data Virtualization

Does LongListSelector support Data Virtualization? I read on several Blogs that it does, but can't get ... virtualization for LongListSelector? See Question&Answers more detail:os...

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

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321 views

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c# - How to determine if ParameterInfo is of generic type?

I have a MethodInfo of a GenericMethodDefinition. Such as: CallMethod<T>(T arg, string arg2). The GetParameters ... about if it has constraints? See Question&Answers more detail:os...

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

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493 views

1 answer

c# - Multiple Instances of a single MEF DLL

Apparently .NET 4.0 does not have the PartCreator/ExportFactory for non-SL. Which is something I think I need ... Also..Is this even 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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427 views

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c# - Adding a new Language to SpeechSynthesizer

So I'am trying to add a new language, spesifically norwegian, to SpeechSynthesizer, but it doesn't seem to get ... Anyone know how to 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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363 views

1 answer

c# - Create program installer in Visual Studio 2005?

I'm a web-guy stuck in "application world" in VS 2005. I created my windows forms program and want ... Any hints would 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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524 views

1 answer

c# - Stored Procedure without transaction in Entity Framework

I'm calling a stored procedure in Entity Framework 6 that can create Databases and tables if necessary. It ... I stop automatic transactions? See Question&Answers more detail:os...

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

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316 views

1 answer

c# - LINQ to SQL and Concurrency Issues

We are trying to build a High-Volume Orders Record System. There are three primary tables: 1. Orders 2. OrderDetails ... way to get over 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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