Recent questions tagged c#

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c# - Handling JSON circular reference exception in ASP.NET 5

So I'm playing around with Web API in ASP.NET 5. At some point my app stopped working, only showing ... rather uninformative "Bad Gateway" page. 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# - Finding longest word in string

Ok, so I know that questions LIKE this have been asked a lot on here, but I can't seem to make solutions work. I ... is: " + finalValue); } } } 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# - Entity Framework Designer First get navigation property as Tasks

The Task pattern says that in order to be consistent everything has to be completely async or completely not async. By ... it is a good 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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c# - Escaping the escape character does not work – SQL LIKE Operator

I have used as escape character for LIKE operator. I am escaping following four characters 1 % 2 [ 3 ] 4 _ ... the LIKE operator in SQL Server? 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# - Input handling in WinForm

What is the best way to block certain input keys from being used in a TextBox with out blocking special keystrokes ... or C 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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535 views

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c# - Getting mouse click coordinates in a WebBrowser Document

I am capturing click coordinates within a PictureBox but I want to achieve the same thing with a WebBrowser. After ... " + outPutHeight; } } 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# - How do I get the security details for a long path?

I am doing a file server migration and I'm writing a small C# app to help me map the user permissions ... alternative to this method? 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# - Multiple ItemsControl on single collection applies filter to all views at once

Prerequisites: .NET 4.5.1 I have three TreeView controls that display three filtered variants of single collection ... "Set Filter" button 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# - 32 bit ActiveX Control in a 64 bit .NET App

I'm creating a C#.Net application which I want to be able to compile for "All CPUs". I also want to ... -browser control? Would this even 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# - Trying to detect keypress

I made a method that detects when a key is pressed, but its not working! Heres my code void KeyDetect( ... (KeyDetect); InitializeComponent(); } See Question&Answers more detail:os...

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

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528 views

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c# - Are interned strings excepted from garbage collection in .NET?

I am trying to reduce time it takes to do a Gen2 collection. My app creates and holds a large number of ... these strings and speed up GC. 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# - Obtaining InnerText of just the current node with XmlNode

I have an XMLNode whose body looks like this: (via OpenCalais) <SocialTag importance="2">Signal processing < ... of other child nodes? 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# - byte[] to File Type in MVC 3

In my MVC application, I recently have configured a page to allow an arbitrary file type to be uploaded( ... easiest ways to accomplish 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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c# - The deserializer has no knowlege of any type that maps to this contract

I'm trying to serialize and deserialize a tree of Node objects. My abstract "Node" class as well as other abstract ... Error); return null; } } 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 start a Process from a Win 8 App?

I can’t find System.Diagnostics.Process to start a new process. I guess this is on purpose. But is there a other way? 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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412 views

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c# - WPF RightClick MouseBinding on release?

How can I enable a mouse binding to the release of the right button? At the moment I have the following ... "Close" MouseAction="RightClick" /> 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# - Spell check textbox in Win10 - Slow

I'm using the built in spell checker in WPF. It was working just fine until I had users start upgrading to ... some way around it in Win10? 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# - Data Annotation/Validation and dynamic values

If some of my models have dynamic validation conditions (i.e. the string length can be minimum of 8 or ... that have dynamic validation values? See Question&Answers more detail:os...

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

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501 views

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c# - Adding numbers to a string?

I have strings that look like "01", "02". Is there an easy way that I can change the string into a number ... have not had to get values before. 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# - ASP.NET Custom Model Binding: DateTime

The problem At this point I have a problem where my Get action is trying to read a ... date parameter: date=10%2F11%2F2017%200%3A00%3A00 See Question&Answers more detail:os...

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

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771 views

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c# - The conversion of a varchar data type to a datetime data type resulted in an out-of-range value error

The conversion of a varchar data type to a datetime data type resulted in an out-of-range value error ... administratorId); }//end CreateProject See Question&Answers more detail:os...

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

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464 views

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c# - ASP.NET mvc : populate (bind data) in listbox

I need to populate two listboxes with data from a database. But I need to display two listboxes in one view, so ... do that? 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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433 views

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c# - Dynamic Namespace Switching

I'm attempting to put a web service wrapper around several third-party web services. For the sake of ... branch of functionality they provide. See Question&Answers more detail:os...

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

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406 views

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c# - Passing a generic collection of objects to a method that requires a collection of the base type

Say I have a method that is expecting a generic collection parameter of a base type, see Test.MethodA(IEnumerable( ... <BaseClass>()); } } 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 can i sort Generic list with Linq?

How can i sort myScriptCellsCount.MyCellsCharactersCount (list int type) in linq public class MyExcelSheetsCells { public ... .SqlScripts); } See Question&Answers more detail:os...

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

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444 views

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c# - What are the potential issues using this static class

Here is my sample code: public static class MySqlHelper { private static string constring = ConfigurationManager. ... in the beginning. See Question&Answers more detail:os...

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

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725 views

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c# - WPF popup staysopen=false still keep the popup open while clicking outside

my problem here is I made a listbox inside the popup, and set the popup's staysopen=false. But each time popup box ... </Border> </Grid> </Grid> 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# - SSIS Script Keeps Reverting To .Net Framework 4.5

I've got the following issue: I've got an SSIS package, in which I would need to use some features of ... please help? 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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