Recent questions tagged C#

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Is there a slick way to convert simple numbers (Army time included) to a time format (am, pm format)? I can do the ... 8:00 am 2317 => 11:17 pm 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 apply HostOptions.ShutdownTimeout when configuring .NET Core Generic Host?

I am using the .NET Core Generic Host (not Web Host) to build a Console app that needs a rather lengthy graceful ... that shows 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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c# - How to not copy app.config file to output directory

I have a WPF application I am building. I am using Visual Studio Community 2015. In an effort to create a ... annoying. Thanks for any 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# - Entity Framework - How do I join tables on non-primary key columns in secondary tables?

I want to join 2 tables using entity framework. I want the join to the second table to be on a non-primary key ... knows how to do this in EF. 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# - Foreign Key mapping to composite keys in entity framework

Trying to setup the following relationship with entity framework code first. The following code does not work I've tried ... { 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 add tooltip for Checkboxlist for each item in asp.net

<asp:CheckBoxList ID="ckl_EditRole" DataValueField="RoleName" runat="server"> </asp:CheckBoxList> public void ... inside the check box 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# - Unable to run EF5 migration with existing database

First, I've read these questions/answers: EF-migration message How can I stop Add-Migration checking my database ... inserted in the process. 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# - DataGridView with CheckBox cell problem

I have a DataGridView with a DataGridViewCheckBoxColumn column, which is databound to a list. The problem is that the ... better 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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c# - How do I replace a specific occurrence of a string in a string?

I have a string which may contain "title1" twice in it. e.g. server/api/shows?title1=its always sunny in ... Can anyone give me a hand? 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# - Office documents to PDF

I have seen a couple threads about this, but am not getting very straight answers in my searching. I have a web ... to mimic the calls 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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312 views

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c# - Compare two arbitrary JToken-s of the same structure

Thanks in advance. I appreciate any help. I would like to compare two arbitrary JTokens of the same type and ... And sorry for my English. See Question&Answers more detail:os...

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

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594 views

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c# - How to set Paper Size and Margins printing from a web browser control

I am trying to print from a web browser control in a winform application.The matter is it sets letter as ... WebBrowser)sender).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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c# - how to avoid session timeout in web.config

What should I write in web config file in asp.net so that my session time is extended. and please tell me the ... I place the code in web config See Question&Answers more detail:os...

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

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449 views

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c# - Wpf CheckedListbox - how to get selected item

I've made a CheckedListbox in xaml using this code: <ListBox Height="340" ItemsSource="{Binding Sections}" ... its selected/deselected ? 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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360 views

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c# - Box2d: Maximum possible linear velocity?

I think I've configured Box2d to have some sort of maximum velocity for any body, but I'm not sure. I ... linear damping between 50f and 60f? See Question&Answers more detail:os...

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

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335 views

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c# - .NET Core 2.x how to get the current active local network IPv4 address?

On which is running the WebService. Like the one I can get in cmd.exe > ipconfig: What I would like ... different local network IP addresses. 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# - What algorithm .Net use for searching a pattern in a string?

I'm studying string searching algorithms now and wondering what algorithm is used for .NET String.Contains ... target, int targetCount); See Question&Answers more detail:os...

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

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258 views

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c# - How do I persist data without global variables?

I'm used to scripting languages. PHP, Javascript etc. and I've written a few relatively simple Java ... patterns for this requirement. 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

1 answer

c# - How to Select All CheckBox of a Column by DataGrid Header CheckBox in WPF DataGrid

I have a DataGrid with one CheckBoxColumn. In the header of that CheckBoxColumn I have added a CheckBox to ... /DataGrid.Columns> </DataGrid> See Question&Answers more detail:os...

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

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388 views

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c# - How to change the size of a picture after inserting it into a word document

I'm adding a picture to a word document at a certain bookmark. However, the picture is too big and is forcing ... it is in the word document. See Question&Answers more detail:os...

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

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409 views

1 answer

c# - NSubstitute test works by itself, but throws Unexpected Matcher Argument in a suite

I have a unit test where I use .Returns() to return some sample data: [TestMethod] public void ... lists of non-native objects. See Question&Answers more detail:os...

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

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494 views

1 answer

c# - Inserting A Line Break (Not A Paragraph Break) Programatically To A Word Document

I am using the Office Developer Tools for Visual Studio 2013 in C#. Ever since Word 2007, adding a " " ... seem to add a paragraph break. See Question&Answers more detail:os...

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

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1.1k views

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c# WPF how to repeat MediaElement playback from mediaended event handler without declaring new source?

I'm playing a video in WPF.i want it to loop so what I did is when the mediaended event fires, I play back my ... in XAML but in here .cs file? See Question&Answers more detail:os...

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

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671 views

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c# - ProtectedData.Unprotect (DPAPI) stops working after password change

Suppose I encrypt data and write it to a file like this: byte[] encrypted = ProtectedData.Protect(plain, null, ... me how. Does anyone know? 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# - Will every 'await' operator result in a state machine?

Please consider the following code: public async Task<string> GetString() { //Some code here... var data = await A( ... I/O's delay (250ms)? 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

1 answer

c# - .NET - Long Line in RichTextBox Wrapped after 3,510 Characters

I have a RichTextBox in a WInForms program that is wrapping any line that is longer than 3,510 characters. ... not some pre-determined length. See Question&Answers more detail:os...

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

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333 views

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c# - Logout with facebook

How can I log a user out from my facebook connect website, without using the fb-login button? I would like to do it from codebehind (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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520 views

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c# - Automatically Word-Wrapping Text To A Print Page?

I have some code that prints a string, but if the string is say: "Blah blah blah"... and there are no line ... , I'd rather do that. 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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