Recent questions tagged C#

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c# - Get connecting IP from specified ports that using by other program

Does anyone know how to Get connecting IP from a specified port that is using by another program. in C#. 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# - How to Draw line/s between Two DataGridView Controls

i have two grid on Window form , i need to show mapping by lines between cell/s from one grid to ... Thanks in advance Best Regards Shailesh 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# - Bit-shifting a byte array by N bits

Hello quick question regarding bit shifting I have a value in HEX: new byte[] { 0x56, 0xAF }; which is 0101 ... make it scalable for n bits. 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# - HttpWebRequest.Proxy in Windows Phone 7?

It seems that .NET Compact Framework does not include a Proxy property for HttpWebRequest. Is there anyway, ... reading from a HttpWebRequest? 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 identify duplicate nodes in XPath 1.0 using an XPathNavigator to evaluate?

I am trying to identify duplicate serial numbers from the following xml using XPath 1.0 and then evaluating ... responses very helpful though! 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# - Custom control derived from Component - OnCreate event?

I've created simple custom control - derived from Component class: public partial class TrialChecker : Component ... value entered in designer? 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# - SqlDataReader.GetValue Hangs

I run a process built in C# .Net 4.6.1 that accesses a SQL Server database. The process runs on ... Data.SqlClient.SqlDataReader.GetValue(int i) 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# - Need of ClassInterfaceType.None?

Didn't quite get the following from MSDN: ClassInterfaceType.None Indicates that no class interface is generated ... must for COM visibility? 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 stop propagating an asynchronous stream (IAsyncEnumerable)

I have a method that accepts an IAsyncEnumerable as argument, and returns also an IAsyncEnumerable. It calls a ... Async enumeration finished--. 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# - WPF FocusNavigationDirection, MoveFocus and Arrow keys

I have a simple application (a grid with 6 buttons - 2 rows of 3 - on it for testing) and am handling left ... of the buttons as 1 through 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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c# - How to load mht from stream/string into a WebBrowser control?

The WebBrowser control loads properly any mht file if I use the Navigate method, but when I use the DocumentText or ... file first), any 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# - Left outer join in linq

I have the following query but i have no idea on how to do a left outer join on table 1. var query = (from r in ... == 0) : false) }).ToList(); 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# - .NET GUI Not Displaying in WinPE

I have created a utility in C#, something basic. I have it running during an SCCM task sequence deployment. One ... in WinPE is fairly new. 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# - Show Progress bar with smtpClient.send

I am using this function to send mails via gmail. private bool uploadToGmail(string username, string password , string ... . any help ? 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# - Net Core: Create Generic Repository Interface Id Mapping for All Tables Auto Code Generation

We just Scaffolded our database, and created Models from Database tables in Entity Framework. Additionally, we are creating ... .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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c# - Store class definition in dictionary, instance later

What I want to do is something like the following (All object class have a common interface): MyDict.Add("A", ... I'm actually going to use. 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 mvc 3 validation for Id field with EF code first

I have the following model: public class Product { [Key] [HiddenInput(DisplayValue = false)] public int Id ... still using EditorForModel()? 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 add an additional column to the __MigrationHistory table?

Per Customizing the Migrations History Table, I should be able to add a column, however I'm not able to ... based on the HistoryRow entity? 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# - Dynamically change connectionString in web.config

I have the following in my web.config <connectionStrings> <add name="ActiveDirectoryConnection" connectionString="LDAP:/ ... password"/> 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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933 views

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c# - Freeze when programmatically launching a batch file (with output redirection), when the batch file simply calls "start some.exe"

EDIT: Found some duplicates with no answers: Issue with output redirection in batch How do I use the "start" ... ..DETACHED_PROCESS...)? 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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1.1k views

1 answer

c# - How do I access variables from a different thread?

Getting error: Cross-thread operation not valid: Control 'label1' accessed from a thread other than the thread ... function. 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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1.4k views

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c# - ip address increment problem

I want to increase my ip address and; Here is the code ipAddressControl1.Text = "192.168.1.255"; byte[] ip = ... to get value as 192.168.2.0 See Question&Answers more detail:os...

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

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c# - Print multiple copies of pdf

I am currently using the below code for printing a pdf using Foxit Reader software. Now my problem is I want ... Start(); process.WaitForExit(); See Question&Answers more detail:os...

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

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1.3k views

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c# - LINQ to Entities does not recognize my method

I want to convert date and time to Persian in LINQ select but linq can not recognize my method : LINQ to ... .order_count, ord.total_price }); 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

1 answer

c# - Using an enum having entries with the same value of underlying type

if i declare an enum like enum Weekdays { Mon = 1, Tue = 1, Wen = 1, Thi, Fri, Sat, Sun } Weekdays ... !!!!How? What is really happening here? See Question&Answers more detail:os...

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

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1.4k views

1 answer

c# - Textbox display formatting

I want to add "," to after every group of 3 digits. Eg : when I type 3000000 the textbox will display 3, ... displayed a number like _,__,__ . 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# - How to enable button in Form 1 from Form 2 using public get set?

I have two buttons in Form 1, one is "ShowForm2" button and one is "button1" button. Button 1 is disable by ... just does not seems right } } 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

1 answer

c# - updating progress bar during a file search

This question provides a fast way to use the kernel.dll to recursively find file attributes, e.g. file names ... single directory of many files. See Question&Answers more detail:os...

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

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