Recent questions tagged C#

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c# - Templatizing a project in Visual Studio

I have created a windows mobile application in Visual Studio. I want to templatize this project so that one can open ... the correct way to go ? See Question&Answers more detail:os...

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

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658 views

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c# - Match text surrounded by "{{" and "}}"

I'm looking for a Regex which can do this : My text : "Blablabla {{ blabla1 }} blablablabla {{ blablabla2 ... it returns "blabla1" and "blabla3" See Question&Answers more detail:os...

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

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641 views

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c# - Why does the model binder need an empty constructor

I need some help with some fundamentals here... I have this controller that serves up my view with an instance of a ... "End", "EndCntrl", poo)? 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

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c# - Json.NET Deserialization into dynamic object with referencing

How can I get Json.NET to deserialize into dynamic objects but still do reference resolution? dynamic d= ... reference resolution. Any 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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748 views

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c# - SortedList/SortedDictionary weird behavior

Can anybody explain why this code: Dim Data As New SortedList(StringComparer.InvariantCultureIgnoreCase) Data.Add("AB", 48) ... A- A-D AB AC See Question&Answers more detail:os...

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

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687 views

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c# - How to iterate all "public string" properties in a .net class

Lets say I have some random .cs file containing a class with some properties and methods of all sorts. How can I iterate ... ", "Field2"} ? } } See Question&Answers more detail:os...

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

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673 views

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c# - Open a Windows 7 Library in Windows Explorer

How do I open a Windows 7 Library like Documents, Pictures, Music, Videos and all other custom libraries from my ... but it doesn't work. 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# - ExpandoObject object and GetProperty()

I'm trying to write a generic utility for use via COM from outside .NET (/skip long story). Anyway, ... All help/criticism thankfully accepted! See Question&Answers more detail:os...

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

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1.5k views

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c# - Common Language Runtime detected an invalid program?

I have this error repeating continuously in my program. I have tried the following: Restart Visual Studio Clean and ... be causing the error? See Question&Answers more detail:os...

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

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845 views

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c# - OLE Container for .NET

I'm working on a project that requires me to load an OLE object and render it in a .NET WinForm ... recommended reading material? cheers, Marc. See Question&Answers more detail:os...

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

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764 views

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c# - LINQ multiple order by

I have created a function that has the follwing parameter: List<Expression<Func<CatalogProduct, bool>>> orderBy = ... 't Any other 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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731 views

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c# - log4net set from an external config file not working

I'm having a weird issue with log4net. In an ASP.NET application, I want to configure log4net externally, ... then this LogManager works fine. See Question&Answers more detail:os...

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

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811 views

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c# - How can I find the Harddisk Device Serial Number without using the WMI in .NET?

I want to get the hardwired serial number from the hard disk but NOT using WMI. I tried using WMI code, and ... Number of a physical hard disk? See Question&Answers more detail:os...

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

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930 views

1 answer

c# - Session logged out too soon

I'm using ASP.NET Core 2.1 with Microsoft Identity and users are complaining that they keep getting redirected to the login ... {id?}"); }); } 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# - Depth-first flattened collection of an object hierarchy using LINQ

I have an object hierarchy (MasterNode -> ChildNodes) where master and child nodes are of the same type, ... on the framework provided 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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1.1k views

1 answer

c# - How to change color of tabbed page indicator in Xamarin.Droid?

I'm building an application with Xamarin.Forms and a Portable Class Library. I have a tabbed page. I want to ... problem. 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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662 views

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c# - Access excel cell by its name

I'm trying to set excel's cell name to some custom name and to later access that cell by its name. Is ... , etc...) regards, Vladimir Vajda See Question&Answers more detail:os...

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

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607 views

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c# - How to fill up datagrid with empty rows

I have a datagrid that is bound to an observable collection. I'd like to achieve a similar thing shown in ... . I'd appreciate any guidelines. See Question&Answers more detail:os...

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

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614 views

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c# - Attribute to generate compilation error on method call?

I would like to ensure that a method (actually a constructor in my case) is never called explicitly from ... Any suggestion would be 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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1.9k views

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c# - Open URL in NEW Microsoft Edge window

I'm writing an application (using C#) which needs to open provided URL in a NEW window of a specified web browser ... the page in a NEW window? 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

1 answer

c# - Check if another process has admin privileges in .NET

I'm looking for a way to check that a remote process has administrator privileges from my (fully managed) ... "Run as administrator" option. 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

1 answer

c# - XML Serialization Namespaces

I have an issue with the Namespaces that my code is producing. What I'd Like is the XML below: <?xml version="1.0" ... = L1; Line2 = L2; } } See Question&Answers more detail:os...

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

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815 views

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c# - Execute method in global.asax every few minutes

What is the most effective way to execute a method in the Global.asax file every x number of minutes? Is ... after a certain elapsed period? See Question&Answers more detail:os...

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

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782 views

1 answer

c# - DataGridView Object Databinding Issue "Index -1 does not have a value"

I am using a set of DataGridViews (dgv) to display a class's members via properties. I use the dgv ... edit are editable without 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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781 views

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c# - Html Agility Pack - Parsing <li>

I want to scrape a list of facts from simple website. Each one of the facts is enclosed in a <li> tag. ... tags are the facts and nothing else. See Question&Answers more detail:os...

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

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707 views

1 answer

c# - How to prevent Visual Studio to prompt to upgrade projects .NET 4 to .NET 4.5

I have a solution in with project in C#, C++/CLI targeted to .NET 4 and with some dependencies in . ... this prompts for .NET Framework upgrade? See Question&Answers more detail:os...

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

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1.4k views

1 answer

c# - Passing data between view in xamarin forms using mvvm

I'm trying to navigate between pages and bind data at same time. This is what I have tried : public ICommand ... app breaks here } } 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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1.1k views

1 answer

c# - How to copy the selected items from one listview to another on button click in c#net?

How can I copy selected items from one listview to another on button click..?? without any redundancy also can I give ... )item.Clone()); } } See Question&Answers more detail:os...

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

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