Recent questions tagged C#

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c# - Cannot create a generic method: "T" not found

I am trying to implement a method that returns a generic list (List), but I keep getting this error message ... generic Type in this situation? See Question&Answers more detail:os...

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

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456 views

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c# - To which character encoding (Unicode version) set does a char object correspond?

What Unicode character encoding does a char object correspond to in: C# Java JavaScript (I know there is not ... of the file is relevant. See Question&Answers more detail:os...

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

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579 views

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c# - Log4Net: How to add simple indexer (row number) to each log line

Here is the problem: I want to add row indexer (row number or iterator) to each row in log file. I don ... some custom extension? Thanks a lot! 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# - DotNetZip trouble with coding

I am using DotNetZip. When i am archiving file which have english name all normally. but when i archiving file with ... names to utf8 and utf7. 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# - XmlNodeConverter can only convert JSON that begins with an object

My webapi method is: public JsonResult<List<MyClass>> PullData() { List<MyClass> data = new List<MyClass>(); ... still doesn't show any data. 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# - Detect entities which have the same children

I have two entities, Class and Student, linked in a many-to-many relationship. When data is imported from ... 'd really appreciate some advice. 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# 4.0 - Need help with manipulating SOAP header in my WCF client before sending request

I have a unique requirement where I need to send a highly customized soap header in a request to a external vendor. ... time. 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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c# - Does double z=x-y guarantee that z+y==x for IEEE 754 floating point?

I have a problem that can be reduced to this problem statement: Given a series of doubles where each is ... constraints are not as important.) 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# - Where is "SetPassword" or "ChangePassword" in SQLiteConnection class?

I'm just learning how to encrypt/decrypt SQLite database. I found a way to encrypt, as in this post SQLite with ... up "System.Data.SQLite.dll" 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# - Quotation mark in string

I have some string with variable, e.g. string path = @"C:onefilename.exe" + arguments arguments: "-s - ... put this " character into arguments? 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# - How does the StringBuilder decide how large its capacity should be?

I know that the StringBuilder object allocates more memory when you use sb.Append(..) when the sb is already ... and not length. 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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407 views

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c# - Passing ASP.NET client IDs in to a javascript function

I need to pass a client ID to a Javascript function in the onblur event of an ASP.net control event like ... pass it to my Javascript function? See Question&Answers more detail:os...

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

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678 views

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c# - How can I get the height of a ListView item?

I have ListView and I need to determine item height. See Question&Answers more detail:os...

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

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981 views

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c# - Printing PDFs with changed default printer settings

Google/Bing didnt bring up any solution to my following problem, hope someone can help me: We have to print ... you very much 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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369 views

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c# - Very Close but not quite able to override core view nopcommerce

I have been reading some very good post from Wooncherk, Twisted Whisperer, and Alex Wolf. Their articles ... don't understand properly. 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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c# - store image into isolated storage in windows phone 7

Basically I am using Visual Studio/Expression Blend to do my app. Its works as in the user can select the ... , 85); myFileStream.Close(); See Question&Answers more detail:os...

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

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451 views

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c# - How can I fix email confirmation - in .NET Core, it doesn't work

I already have a register action public async Task<IActionResult> OnPostAsync(string returnUrl = null) { var ... -3.1&tabs=visual-studio See Question&Answers more detail:os...

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

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495 views

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c# - WPF: can't resize window without horrible visual effects

I'm trying to learn WPF (I worked a lot with WinForms but I'm kinda new to WPF) and I have a problem when ... bit / .Net 3.5 / Raden HD5850 See Question&Answers more detail:os...

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

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502 views

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c# - Sort list based on group count

I'd like to sort a List on element counts of IGroupings. And that's it, the list should ideally be the same ... of the grouping to begin with). See Question&Answers more detail:os...

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

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424 views

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c# - what is enum and where can we use it?

While I code every time I used List<T>, string, bool etc. I did't see anywhere a use of an enum. I ... do we actually use it? Kindly help 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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483 views

1 answer

c# - What is the correct DateTime format for MySQL Database?

I am Inserting this DateTime data '12/21/2012 1:13:58 PM' into my MySQL Database using this SQL string: ... to input into a MySQL database? See Question&Answers more detail:os...

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

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483 views

1 answer

c# - Drag and drop from list to canvas on windows phone with MVVM

I have an app where a user can manipulate around with elements chosen from a list, this is done by clicking ... but without any success so far. See Question&Answers more detail:os...

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

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660 views

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c# - Loading views in WPF self-host asp.net core application

We need to self-host an Asp.Net Core application in a WPF APP, APIs are working fine but there is some ... There is no exceptions on WPF. See Question&Answers more detail:os...

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

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574 views

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c# - Control xxx of type 'LinkButton' must be placed inside a form tag with runat=server

I have a DataGrid that I am trying to export when an ASP.NET Button is clicked. The exact error is: ... this if it is absolutely necessary. See Question&Answers more detail:os...

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

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869 views

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c# - Dictionary<TKey, TValue>.ForEach method

I wanna declare new extension method which similar to List.ForEach Method. What I wanna archive: var dict = new ... 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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508 views

1 answer

c# - Why can't I initialize my fields in my structs?

I am surprised that I can't initialize my fields in structs, why is it like that? Like: struct MyStruct { ... ? Please explain this 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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418 views

1 answer

c# - How to create and save a text file with JavaScript

Do you know any cross-browser method to create and save a file with JavaScript on the client-side? Considerations: ... 4.0, C# web application? See Question&Answers more detail:os...

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

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1.2k views

1 answer

c# - Bring another application to front

I have built a C# Windows Form application. When the form loads, it's full screen. The form has icons on it ... //Set foreground 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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