Recent questions tagged C#

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I'm simply wondering why there is a IQueryable<T> version without the generic capability ? 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# - Log4Net doesn’t write log in release mode - Console Application

I have a console application and have a class library which wraps the Log4Net methods. Now when run the ... application built in Release mode 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# - Windows Phone 7 - passing values between pages

I am trying to send the values between the pages using : NavigationService.Navigate(new Uri("/ABC.xaml?name=" + ... this ?? Help needed ! 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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c# - Why is the Paypal Sandbox not processing payments?

I'm making an e-commerce site and the paypal integration is seemingly working. I have a shopping cart, that totals ... that isn't the 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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c# - How to eliminate tearing from animation?

I'm running an animation in a WinForms app at 18.66666... frames per second (it's synced with music at ... always very similar to each other). 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# - The navigation on entity type has not been added to the model, or ignored, or entityType ignored

The navigation 'Tags' on entity type 'Notepad.Models.Note' has not been added to the model, or ignored, or entityType ... Parts { 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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c# - How to read a header from a specific line with CsvHelper?

I'm trying to read a CSV file where header is at row 3: some crap line some empty line COL1,COL2,COl3, ... to false ReadHeader() fails again. 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# - Directory.GetFiles: Show only files starting with a numeric value

How can i get the Directory.GetFiles to only show me files starting with a numeric value (eg. 1abc.pdf); Directory. ... mydir", "0-9*.pdf") 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# - Generate a random number in a Gaussian Range?

I want to use a random number generator that creates random numbers in a gaussian range where I can define the ... myself by passing a value. 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 to make GET request with a complex object?

I try to make GET request via WebApi with complex object. Request is like this: [HttpGet("{param1}/{param2}") ... I compose a valid GET request? See Question&Answers more detail:os...

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

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370 views

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c# - Sorting months in a list

I have a list of strings which contains months of the year. I need to be able to sort this list so ... reorder this to: February June August 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# - Does the using statement dispose only the first variable it create?

Let's say I have a disposable object MyDisposable whom take as a constructor parameter another disposable object ... the AnotherDisposable too? 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# - Show a winform over the notification area

I want to show a winform in the very right down corner just above the system tray, How do I do that? Here is my ... TopMost = true; fm.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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498 views

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c# - How to avoid a database race condition when manually incrementing PK of new row

I have a legacy data table in SQL Server 2005 that has a PK with no identity/autoincrement and no power to ... change the database in any way? See Question&Answers more detail:os...

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

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350 views

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c# - How can I get the IIS substatus code from an Exception?

I'm handling exceptions with an HttpModule in a manner such as this: int errorCode = 500; HttpApplication httpApp ... value is an integer? See Question&Answers more detail:os...

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

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448 views

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c# - Displaying progress dialog only if a task did not finish in specified time

I have a little service that uploads an image, and I use it like this: ImageInfo result = await service. ... achieve this using async/await? 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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c# - WPF ComboBox/ListBox with MultiSelect based on Enum with Flags

So I may be pushing the boundaries just a bit... Basically I have the following enum, declared in C# code: ... . Any help 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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354 views

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c# - In equal comparison of a literal value does the order of operands matter?

I am accustomed to write the code as(just an example) Request.QueryString["xxxx"] != null Recently someone said ... textbox1.text) == 1) 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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453 views

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c# - Change group box text color?

How do you change the text color of a group box in C#? The "documentation" doesn't even mention this, and ... turned up an answer. Thanks! Alan See Question&Answers more detail:os...

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

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610 views

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c# - WCF input huge XML as Stream with Content-Type: xml/text

I have a RESTful WCF web service that processes huge XML files that are passed in as a Stream with a Header ... -Type:text/xml? 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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283 views

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c# - pdf to xml conversion using .NET

I am currently building a .NET application and one of the requirement is that it has to convert a pdf file to XML ... If so what have you used? 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# - Access is denied at System.Diagnostics.Process.StartWithCreateProcess(ProcessStartInfo startInfo)

I am trying to upload files and convert them to another format before saving them on my web server, but ... any permissions. Please 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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436 views

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c# - FileHelper escape delimiter

I am using FileHelper 2.0 for parsing my csv data. Is there any option that filehelper can properly handle ... nico lastName -> ,le,opeka See Question&Answers more detail:os...

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

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327 views

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c# - Make WPF control over the web browser

I have a WPF application in which I have an embedded web browser control. I want to show an animation over ... control over the web browser? See Question&Answers more detail:os...

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

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366 views

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c# Convert struct to another struct

Is there any way, how to convert this: namespace Library { public struct Content { int a; int b; } } I have ... )(c1); //this 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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496 views

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c# - itextsharp and images sizes

I am creating a single pdf page with 6 images in a table in separate cells, even though I am setting ... .NO_BORDER; table.AddCell(imgCell1); See Question&Answers more detail:os...

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

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475 views

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c# - Compiling code at runtime, loading into current appdomain but Type.GetType cant see it

Im compiling some code at runtime then loading the assembly into the current appdomain, however when i then try to do ... GetType(t.Name); .... See Question&Answers more detail:os...

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

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313 views

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c# - Cannot bind parameter 'log' to type TraceWriter

Getting the below message when doing right click project -> Debug -> Start New Instance. [1/7/2018 6:48:54 AM] A ... 48:54 AM] "method": "GET", See Question&Answers more detail:os...

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

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