Recent questions tagged C#

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c# - Invoking an ASP.NET web service method via an http request

I want to invoke an ASP.NET web service via an http POST request using C# (i.e. I don't want to use the ... the process in (3)? Thanks, K. 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# - Binary Search a List of custom data types to match just one field

I have a List: List<Student> allStudents = new List<Student>(); that contains over 94,000 Student ... MultiDictionary can accept duplicate keys. 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 does rename a loaded .net assembly work?

I've created a c# .net(4.5) command line application. This application does nothing, but stay open: ... rename an existing/loaded assembly? 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 save graphics created on a PictureBox?

In c# and Visual Studio Windows forms I have loaded an image into a picture box (pictureBox2) and then cropped ... ); sourceBitmap.Dispose(); } See Question&Answers more detail:os...

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

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309 views

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c# - Newtonsoft.Json issue with deserialising relational model

I've a simple relational model with a Parent and Child relation as follows: public class Parent { public Parent( ... ideas what this could be? See Question&Answers more detail:os...

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

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256 views

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c# - If there is no subset sum equal to a given value, return subset sum closest to the value

I am working on a subset sum problem, that needs to print the subset sum that's closest to the value, if equal then ... .Count - 1); } } } 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# - Compile/Execute XAML during program runtime

I would like to create an WPF Application which retrieves XAML Code from a Database and displays the retrieved ... the mainGrid) during runtime? See Question&Answers more detail:os...

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

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454 views

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c# - Can not deserialize JSON containing $ref keys

I have the following code trying to deserialize a JSON string and the library gives me this error: Additional content found ... { 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 parse a string to DateTime with "yyyyMMdd Hmm" format?

I'm having huge problems with solving this problem. I'm trying to parse a string using Datetime.ParseExact(). I have the ... => 1 01:10 => 10 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# - Problems in creating unit test for ASP .NET MVC

I am creating some unit tests for my ASP .NET MVC Controller class and I ran into some very strange ... in the unit tests initialization. See Question&Answers more detail:os...

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

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547 views

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c# - FileSystemWatcher - only the change event once firing once?

I'm using the below code to listen for change events of a file i download off a server and open. however the ... member of a class Regards, Jon 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# - Adding rows programatically to a DataGridView that is data bound?

I have a problem and I can't seem to be able to solve it. I thought someone here will be able to ... solution to this problem? 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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281 views

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c# - How to style chat window using CSS when using Microsoft Bot Framework

I have created a simple Chat bot through the use of Microsoft Q&A maker and deployment to azure. Out of the ... direction, that would be great! See Question&Answers more detail:os...

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

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285 views

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c# - Using Canvas in Windows Form .net application

I want to create a Winform application which displays Datagrid, Charts on it. My requirement is, that the user ... is there any other solution? See Question&Answers more detail:os...

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

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376 views

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c# - How to get the icon associated with a specific folder?

I was required in one of my projects to get the icon for specific folders from their paths. For example: If ... luck. Any help is 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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146 views

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c# - grid lines are not displaying in grid view

I am trying to display data in grid view from database. I have drag and drop grid view and bound it to ... </asp:SqlDataSource> </asp:Content> See Question&Answers more detail:os...

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

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241 views

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c# - How to make properties visible to COM in a .NET DLL (Methods DO work)

Solved, see comments! I have a simple .NET DLL written in c#. In asp-classic or VB.NET i can create the ... -value, i get the error above? See Question&Answers more detail:os...

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

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374 views

1 answer

c# - Inverting image returns a black image

I want to invert an Image object. Currently my code looks like this: private Image Invert(Image img) { var ... please let me know. 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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356 views

1 answer

c# - Relative path for SQLite not working with WIX Toolset

I'm using SQLite Database and create installer of WPF application with WIX Toolset. The problem is, The below relative ... > </Fragment> </Wix> See Question&Answers more detail:os...

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

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375 views

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c# - XmlSerializer - node containing text + xml + text

I have a node that can contain either text or xml, text + xml or text + xml + text. The first two cases i ... <p>moretext</p> even more text See Question&Answers more detail:os...

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

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309 views

1 answer

c# - How to cancel a running task?

I want to cancel a running task (when the users presses the escape key). when i click on "escape" key ... { tokenSource.Cancel(); } } See Question&Answers more detail:os...

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

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377 views

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c# - Datagridview shall disappear when clicking on the Form in the background

As described in the title, I have a Form with a Datagridview on the front. The datagridview is smaller than my ... form. Can anyone 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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164 views

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c# - What's the difference between [Computed] and [Write(false)] attributes?

This resource explains how Computed excludes a property (in an update only?). Specifie the property should be ... abstraction to their users? See Question&Answers more detail:os...

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

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292 views

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c# - how to check Excel Workbook or sheet is password protected or not?

using vsto, C# fx 3.5, how to check Excel Workbook or sheet is password protected or not? 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# - Do not allow unselect/deselect in ListBox

Is there a way to configure the WPF ListBox such that it's not possible to deselect/unselect an item? ... to an ObservableCollection<MyClass>. See Question&Answers more detail:os...

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

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166 views

1 answer

c# - Getting File name from the String

Could you help me for finding the file name from the string. Now i have one string of content like "C: ... will get by using string functions? See Question&Answers more detail:os...

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

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241 views

1 answer

c# - How to programmatically install a font

I would like to install a specific font on my program load and use that font in rendering text of the program. How ... from .NET CF on WinCE 6. See Question&Answers more detail:os...

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

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515 views

1 answer

c# - How do I replace a backslash-double quote with just a double quote?

I have struggled with a simple replace. And need a good solution. Background: It is a xml string encoded with " and ... Replace(""", @""""); See Question&Answers more detail:os...

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

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