Recent questions tagged C#

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c# - Convert a completed project to a DLL

How can I convert a completed C# project to a DLL, in order to use it in other projects? I have Googled but ... can include lots of Forms 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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254 views

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c# - Substring a string from the end of the string

I need to remove two characters from the end of the string. So: string = "Hello Marco !" must be Hello Marco How can I do it? 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

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c# - Can't set palette in bitmap

I have been writing a PCX decoder and, so far, the PCX image itself parses fine, but I can't work out how ... bitmap. How do I set the colours? See Question&Answers more detail:os...

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

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784 views

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c# - The incoming request has too many parameters. The server supports a maximum of 2100 parameters

I have this seemingly simple linq-to-sql query that searches some data in several columns; something like this: ... this query work? 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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306 views

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c# - How to get the selected value from RadioButtonList?

I have a RadioButtonList on my page that is populated via Data Binding <asp:RadioButtonList ID="rb" runat="server"> ... in my "submit" method? 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# - Issues with using Managed WiFi (NativeWiFi API)

I am trying to create and connect to a WLAN profile using Native WiFi (https://managedwifi.codeplex.com/). ... two issues are much 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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290 views

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c# - Convert short[] to Stream which can be played as Audio

so what I have is a short[] array which represents the raw data of a WAV file. This means it doesn't ... be able to play this audio 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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256 views

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c# - Generating SQL Server DB from XSD

Duplicate: Generating SQL Schema from XML In a project i am working on, i have a need to support either a ... Server. Can this be done? 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 check Isolated Storage of Windows 10 mobile emulator?

I am currently working on Windows 10 and my requirement is to check isolated storage of Windows 10 Mobile emulator ... for Windows 10 Emulator ? See Question&Answers more detail:os...

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

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355 views

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c# - Detect file 'COPY' operation in Windows

Say I want to be informed whenever a file copy is launched on my system and get the file name, the ... software that already accomplishes 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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546 views

1 answer

c# - How can I remove the "Today" button from DateTimePicker control (of Windows form Control)

In the DateTimePicker control, when we click the dropdown button , a calendar gets displayed . at the bottom of the ... . How can I do it? 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

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c# - Code stubbing with Visual Studio 2010 UML modeling

Currently I'm exploring my way through all the new features added to the Visual Studio 2010 Beta 1 IDE and I ... that helps any). 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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263 views

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c# - Saving the form state then opening it back up in the same state

I have a small program in winforms that holds 3 buttons. Thus far the program lets the user change a the color of another ... ; c = 0; } } } See Question&Answers more detail:os...

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

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306 views

1 answer

c# - Invalid signature for signing requests to the Flickr API (simulation in console)

I'm trying to authenticate to the Flickr API for a demo application I want to make for myself. Then i will ... It would be so great! 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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734 views

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c# - How can I encrypt and decrypt using AES 128 without an IV?

I'm currently needing a way to encrypt a string and decrypt a byte array using AES-128 symmetrical encryption, ... maybe I've missed something. See Question&Answers more detail:os...

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

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192 views

1 answer

c# - WPF Styles/Template inheritance

I'm trying to learn WPF at the moment, and looking into making the default .Net control look different through the ... to point them out 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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213 views

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c# - How to pass an array (Range.Value) to a native .NET type without looping?

What I am trying to do is populate an ArrayList using .AddRange() method in VBA using late binding on ... update for the Interop library. See Question&Answers more detail:os...

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

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482 views

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c# - OneNote VSTO gone?

I want to create a project related to OneNote add-on, however when I check into project templates I did not ... Microsoft removed it from VSTO? See Question&Answers more detail:os...

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

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337 views

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c# - Require Authentication for all requests to an OWIN application

I am working with a self-hosted OWIN application and am trying to figure out how to require authentication/ ... be other OWIN components.) See Question&Answers more detail:os...

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

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447 views

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c# - Is this Singleton implementation correct and thread-safe?

Is this singleton implementation correct and thread-safe? class Class { public static readonly Class Instance; static Class() ... Class() {} } See Question&Answers more detail:os...

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

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525 views

1 answer

c# - Getting "NETSDK1045 The current .NET SDK does not support .NET Core 3.0 as a target" when using Blazor Asp.NetCore hosted template

I've installed the preview of .NetCore 3.0 and tried to run the blazor template Blazor (ASP.NET Core hosted) in ... that supports .NET Core 3.0. See Question&Answers more detail:os...

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

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475 views

1 answer

c# - WebImage Crop To Square

Does anyone know how to use the new ASP.Net MVC 3 Html Helper WebImage to crop an uploaded file into a square. ... as a thumbnail in the site. 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# - why there is no EndInvoke in Cross thread UI component call ?

I have been trying to add some string to some ListBox that i have on my application ( simple winform ) - and ... the EndInvoke on this case ? 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

1 answer

c# - TreeView search

This function find only first node in treeview, that contains SearchText. private TreeNode SearchNode(string ... TreeView1.SelectedNode... See Question&Answers more detail:os...

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

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216 views

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c# - Windows Phone 8.1 Page Navigation

I'm still new with the Windows Phone development. So now I'm going to develop the Windwos Phone 8.1. I ... . Frame.Navigate(typeof(SecondPage)); See Question&Answers more detail:os...

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

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391 views

1 answer

c# - What is the SQL Server CLR Integration Life Cycle?

How are CLR (.NET) objects managed in SQL Server? The entry point to any CLR code from SQL Server is a ... call? How does it handle concurrency? 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

1 answer

c# - Like operator or using wildcards in LINQ to Entities

I'm using LINQ 2 Entities. Following is the problem: string str = '%test%.doc%' .Contains(str) // converts ... not L2S, I need 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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328 views

1 answer

c# - MVC 2 - Passing enum to CheckBoxFor

Let's assume we have a model: public class Document { public string Name { get; set;} public List< ... an enumeration. 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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