Recent questions tagged C#

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c# - How to store a public key in a machine-level RSA key container

I'm having a problem using a machine level RSA key container when storing only the public key of a public/private ... ) { publicRsa.Clear(); } See Question&Answers more detail:os...

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

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287 views

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c# - Extending asp.net mvc 5 identity with custom tables

I have an asp.net mvc 5 application with individual user account security extended with user roles and centralized user ... how to do 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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242 views

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c# - Text indexing algorithm

I am writing a C# winform application for an archiving system. The system has a huge database where some ... relevance, modifying date...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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247 views

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c# - LINQ to SQL *compiled* queries and when they execute

I have the following compiled query. private static Func<Db, int, IQueryable<Item>> func = CompiledQuery.Compile((Db db ... 's over 2 years old. 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# - Check string content of response before retrying with Polly

I'm working with a very flaky API. Sometimes I get 500 Server Error with Timeout, some other time I also get ... to do this kind of checking? See Question&Answers more detail:os...

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

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539 views

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c# - Idle Detection in WPF

I'm new in using WPF so I have no Idea how to detect Idle time and show the main window after 5mins of Idle ... help me? Thank you so much. See Question&Answers more detail:os...

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

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322 views

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c# - Adding Image to System.Net.Mail Message

I have some images stored in the Resources.resx file in my solution. I would like to use these images in my email. ... "); smtp.Send(message); } 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 when I insert a DateTime null I have "0001-01-01" in SQL Server?

I try to insert the value null (DateTime) in my database for a field typed 'date' but I always get a '0001- ... get a real 'NULL' ? Best regards See Question&Answers more detail:os...

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

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298 views

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c# - Programmatically using a string as object name when instantiating an object

This is a contrived example, but lets say I have declared objects: CustomObj fooObj; CustomObj barObj; CustomObj ... this possible in 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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c# - Getting a substring AFTER the last occurrence of a character in XSLT

I have a string in an XML file that looks similar to this: M:Namespace.Class.Method(Something a, Something b) The ... an easy way to do 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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291 views

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c# - Upload a file to an FTP server from a string or stream

I'm trying to create a file on an FTP server, but all I have is either a string or a stream of ... (FtpWebResponse)ftpRequest.GetResponse()) { } See Question&Answers more detail:os...

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

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240 views

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c# - Listpicker error SelectedItem must always be set to a valid value

I have a page in a Windows Phone 7 app where the user can edit or delete an Transaction object. The Transaction ... fix it? I need some 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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195 views

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c# 4.0 - WPF Dynamically change resource file and theme

My project uses a ProjectTheme.xaml file for all WPF windows through out the project. The ProjectTheme.xaml file ... matters? 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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245 views

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c# - ASP.NET MVC 3 Razor: Passing Data from View to Controller

I'm brand new to all things .NET. I have a very basic web page with an HTML form. I want 'onsubmit' ... the data from the Controller? 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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467 views

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c# - How to get the "Application Name" from hWnd for Windows 10 Store Apps (e.g. Edge)

I'm trying to get an understandable "Process Name" for Windows 10 apps. Currently, all of them use ... those methods would probably 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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536 views

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c# - ASP.NET MVC Model Binding With ListBoxFor & DropDownListFor Helpers

I have the following Model: [Required (ErrorMessage="Server Name Required")] [StringLength(15, ErrorMessage = " ... here, anything is helpful. See Question&Answers more detail:os...

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

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417 views

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c# - ScriptingOptions sql smo does not support scripting data

I'm generating sql database script using c# code. following code works fine for create table but when I try to use ... + " " + tbScr); } See Question&Answers more detail:os...

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

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513 views

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c# - 1D Fast Convolution without FFT

I need an 1D Convolution against 2 big arrays. I'm using this code in C# but it takes a loooong ... fast convolution algorithm widthout FFT? See Question&Answers more detail:os...

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

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773 views

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c# - how to apply common configuration to all entities in ef core

I have entities derived from a base entity in my application which uses ef core code-first approach. ... entities without repeatig yourself? 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# - Sql Server CLR load assembly failed

I am trying to deploy an CLR TVF (table value function). In the code I am using JavaScriptSerializer to parse ... .NET 4. Any ideas/solutions? See Question&Answers more detail:os...

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

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500 views

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c# - Noda Time - Start/end of day with zone

What's the proper and more concise way to get the ZonedDateTime(s) which represent the start and the ... another ZonedDateTime is between them. See Question&Answers more detail:os...

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

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297 views

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c# - Checking collision in filename search patterns with wildcards

I need to compare file system wildcard expressions to see whether their results would overlap, by only ... algorithm for attacking 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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334 views

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c# - How to fake Active Directory?

I am developing an application in C# that needs to authenticate against Active Directory. I have Windows 7 and can' ... , to pull this off? See Question&Answers more detail:os...

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

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599 views

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c# - Sort and remove (unused) using statements Roslyn script/code?

Sort and remove (unused) using statements Roslyn script/code? I'm looking for some .NET/Roslyn (compiler as ... that could do this rewrite? See Question&Answers more detail:os...

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

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325 views

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c# - IdentityServer4 custom AuthorizeInteractionResponseGenerator

Sadly documentation on the implementation of a custom AuthorizeInteractionResponseGenerator in IdentityServer4 is sorely ... HttpContext. 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# - How do I create a new row in WPF DataGrid when it is bound to an XmlDataProvider?

I have a project with an XmlDataProvider bound to a WPF DataGrid control. I have the bindings on the DataGrid set up ... . How can I allow 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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857 views

1 answer

c# - Parsing through JSON in JSON.NET with unknown property names

I have some JSON Data which looks like this: { "response":{ "_token":"StringValue", "code":"OK", "user":{ " ... it to be used in a C# 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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483 views

1 answer

c# - Change button text after click, then change it back after clicking again

I am trying to change the text of a Button every time its clicked. Button Starts as "ON". When I click it the ... Text = " Turn Orders Off"; } See Question&Answers more detail:os...

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

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