Recent questions tagged c#

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c# - Entity Framework Generic repository including properties through parameter

I have an implementation of a Generic Repository in Entity Framework which I am trying to improve to use the .Include(..) ... x => x.State), ); 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# - SSH.NET doesn't process my shell input commands

I'm using SSH.NET to connect to my Raspberry Pi from a Console Application in C#. I want to send text from ... the problem? Thanks is 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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c# - Retrieve Linkedin email address

I'm using the Hammock library and C# to get the basic profile and email address of user from linked in following ... . What else should I try? 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# - MemoryMappedFile doesn't work with 2 processes?

I've made a simple test with a MemoryMappedFile as msdn says : 2 processes, 1 memory mapped file : the first ... says: 1 Process B says: 2 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# - Physics2D.Raycast returning null

I have a bit of a issue that has me super stumped here. I am going from Key codes , to mouse input - then ... a colider is on, with is trigger. 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# - Update if the name exists else insert - in SQL Server

I want update in my table if my given filename is already in my database else I want to insert a new row. I ... (); } con.Close(); } 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# - Export SQL Server Data into CSV file

I am trying to export data into a csv file from sql server. I have looked for help online and other support ... string)row["ColumnName"]; } } 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 convert a pdf to a bitmap image in .net?

Looking for solution to convert a specified page of a pdf file to a bitmap image. 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# - Windows Phone 8.1 Background Task - Can't Debug and won't fire

Im having a issue with the Background Tasks in WP8.1 I have created a background task as a windows runtime ... getting this to 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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c# - Import a CSV file to SQL Server using SqlBulkCopy

I have this function that creates a table and then receives a CSV File. I need an ID column in it that auto ... .Close(); con.Close(); } See Question&Answers more detail:os...

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

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517 views

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c# - Column Series With different color on a different interval at x-axis fill in same series?

I'm trying to implement a speed/time plot UI, i'm using WPF with the MVVM Pattern and Live-Charts by ... of the original color. Any Pointers? 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 is my disruptor example so slow?

I've taken the code example from Stack Overflow question Disruptor.NET example and modified it to "measure" time. Full listing ... < 30) { tenToThirty++; } else { moreThenThirty++;...

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

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c# - Read pixel color at screen point (Efficiently)

I'm need to read pixel color in C# Unity3D at screen point. I'm using Render Texture and ReadPixels method. Using it ... (int)screenPos.y); } } See Question&Answers more detail:os...

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

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287 views

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c# - How to create a reference to a value-field

Is there a way in C# to create a field which is a reference to another field which is a value type? ... argument from within an event handler? See Question&Answers more detail:os...

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

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347 views

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c# - disable key event when the focus is on autocompletion box of textbox

In my project there is a Form mainForm in which there are two textBoxes txtUserName and txtPassword and also ... KeyDown -= mainForm_KeyDown; } See Question&Answers more detail:os...

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

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297 views

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c# - Creating a Data.Frame using R.NET

I'm using the R.NET project in C# to call R functions. Is there a way to create a DataFrame in C#? ... native integer values? 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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265 views

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c# - Removing a querystring from url in asp.net

HI, I need to remove a querystring when a user clicks a particular LinkButton. So for example if the ... Any ideas would be 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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c# - `[Authorize(Roles = "admin")]` Infinite loop ASP.NET MVC and Azure Active Directory B2C

I am attempting to allow only Azure Active Directory B2C users with role "Global Administrator" to ... instantiate the UserProfileController? See Question&Answers more detail:os...

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

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338 views

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c# - Excel VSTO Key hook

I want to change cell color when Enter key is pressed. Everything is fine except, that code doesn't work in ... nCode, wParam, lParam); } 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# - Regex to match two or more consecutive characters

Using regular expressions I want to match a word which starts with a letter has english alpahbets numbers, ... do it using regular expression See Question&Answers more detail:os...

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

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324 views

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c# - How to get client current date and time in asp.net?

I have a hidden field in my master page. And I set the current date and time as a value in that " ... Session and cookies. 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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420 views

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c# - Modifying global system menus

Is there a way in C# to globally add a menu item to all the system menus on all active windows? Perhaps under the "Maximize" command? 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

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c# - GPG automatic decryption password passing

We receive GPG encrypted files from a third party. I'm modifying a C# program that finds the encrypted files ... File.Exists(outputFullPath); } See Question&Answers more detail:os...

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

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443 views

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c# - How to calculate distance using latitude and longitude?

I have table having latitude and longitude Lat Longitude 40.8151 -73.0455 U 36103 40.8132 -73.0476 U 36103 So ... so how can i achieve 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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632 views

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c# - Microsoft ACE OLEDB connection creating empty Excel when there are 166,110 rows

I am programming in C# and using an oledbconnection. This is the standard connection string e.g. using ( ... when the row size increases? See Question&Answers more detail:os...

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

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484 views

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c# - Why is my new XmlTextReader(stream) reading in many megabytes into memory rather than streaming properly?

I am getting Out of Memory Exceptions when STREAMING in XML into an XmlReader! Looking in a memory profiler we ... more than one 4KB buffer. See Question&Answers more detail:os...

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

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243 views

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c# - How to store & retrieve Bot Data in Azure Table storage with directLine channel?

I'm using Microsoft Bot Framework with directLine channel. My Bot is a part of company's customer portal from ... in a C# MVC application. See Question&Answers more detail:os...

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

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653 views

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c# - adding custom tag using tagLib sharp library

Is it possible to add custom tags (say "SongKey: Em") to an mp3 file using TagLib# libary? See Question&Answers more detail:os...

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

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