A multithreaded server class that accepts multiple connections from a provided client class. Each client can send and receive files and text (byte data) simultaneously along 250 available channels.

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.NET 3.0

Difference between response.redirect true/false

1 Apr 2023 by Pratyush Tripathi

Response.Redirect(Default.aspx...

.NET

.NET3.0

ASP.NET

Integration of an application with keycloak for SSO using open id connect

21 Mar 2023 by Ich bin der Bes

I have an application which developed few years back using .netcore 3.1. Now want to implement the SSO using keycloak with open id connect. Currently, when I run the app it can direct to keycloak sign in. But when successfully signed in, it can...

.NET3.0

Difference between response.redirect true/false

21 Oct 2022 by Rohitsingh.icfai

Can anyone practically guide me as to what is the difference between Response.Redirect - True / False, I mean Response.Redirect('Default.aspx",True) V/s Response.Redirect('Default.aspx",False) What I have tried: Need clarification...

.NET

.NET3.0

ASP.NET

How to connect to MQ series from .NET

15 May 2022 by visitvasavi

Hai, I want to connect with IBM MQ series from my .net application.I have send data from application to MQ series(i.e existen in server).For that i need to add reference to import "using IBM.WMQ".Any one can help me...

.NET3.5

.NET

.NET3.0

How to set console application icon in .csproj file through visual studio code

27 Jan 2022 by DoingWork

Please help. I failed to set the console application icon in my .csproj file through Visual Studio Code. I'm trying to make a build for Linux. Here is my error: Error building Win32 resources -- Icon stream is not in the expected format. What...

.NET3.0

Visual-Studio

electron

How to set console application icon in .csproj file through visual studio code

26 Jan 2022 by M Imran Ansari

Make sure your path is correct and your icon should be .ico format. bin/Debug/icons/myIcon.ico Or place icon file on your root path and use the following in your csproj file. ...

.NET3.0

Visual-Studio

electron

Dlús : Irish Language Word Processor

15 Jan 2022 by Christ Kennedy

A fully functional Irish Language Word Processor written in C#

.NET3.0

Win64

Dev

Insert and update in sql table using datagrid in WPF.

24 Sep 2021 by Vivek Deshmukh

Hi,I have created simple wpf application having DataGrid Control.binding of this is done well.Now I want to perform insert , update delete operations using this DataGrid as we do in GridView.Please guide me how can i achieve this.Thanks in advance.

.NET

.NET3.0

WPF

Insert and update in sql table using datagrid in WPF.

24 Sep 2021 by Member 15370512

Here i have done insert and update operation using sp in datagrid... But I am getting an error ...No mapping exists from object type System.Windows.Controls.DataGridTextColumn to a known managed provider native type.' Can AnyOne Solve This...

.NET

.NET3.0

WPF

Excel Vba Convert to C#

12 Sep 2021 by guruprakashc

Excel Printed Area only publish to web page code in C# ?m_addin.Application.ActiveWorkbook.publishObject.Add("?");I want to Publish the Active Sheet Only to Web Page?code in C#can any one help me ?

.NET

.NET3.0

How to set up Google tag manager configuration in ASP NET core razor pages

1 Jul 2021 by Anusha T 2021

Hi, I am very new to ASP NET Core razor pages. I have a requirement to set up Google Tag Manager in ASP NET Core razor pages. Usually in the ASP.Net solution we use Google Analytic's tag.js script in page load. In angular we usually set up in...

.NET3.0

Razor

google-analytics

Client-server application where undo redu should be implemented? Server or client?

18 Apr 2021 by Member 2434056

Hi I am developing large client server application. One client in different VMs and several servers on other VMs. User creates entities in GUI The GUI sends message via RabbitMQ to the server and the servers stores it in DB The customer asked to...

C#4.0

.NET3.0

WPF

Client-server application where undo redu should be implemented? Server or client?

18 Apr 2021 by Uroš Šmon

It depends :) If data is prepared as single enity, which is then sent to server and saved, you can have undo on client. You will need simple queue of commands. If data is continously sent to server, you must implement undo on server, with added...

C#4.0

.NET3.0

WPF

Unzip .gz file using Gzipstream class in C#

17 Jan 2021 by Chris Maunder

// Given filePath = location of file // newFileName = name of file to save // // Ensure you have "using System.IO.Compression" FileInfo file = new FileInfo(filePath); using (FileStream originalFileStream = file.OpenRead()) { using...

.NET

.NET3.0

Unzip .gz file using Gzipstream class in C#

17 Jan 2021 by preetpal kapoor

Hi ,Couls some one please help me . I have to unzip a .gz file. The ziped file is of 33 MB and after zip it will be around 3GB . I have written the below code and able to unzip the file of only 256 kb. public static void Main() { string path =...

.NET

.NET3.0

Using a Resource Dictionary in WPF

2 Apr 2020 by Rahman Masudur

Few tricks about using a Resource Dictionary in WPF

Fluid, Multi-column, Vertically Ordered List using CSS

19 Nov 2019 by Richard Atkins

Create a fluid, multi-column, vertically ordered list using nested, floating divs

Reusable Multithreaded TCP/IP Client and Server Classes with Example Project in VB.NET

13 Nov 2019 by pdoxtader

A multithreaded server class that accepts multiple connections from a provided client class. Each client can send and receive files and text (byte data) simultaneously along 250 available channels.

Simple Kafka Producer and Consumer with C# and Scala

28 Oct 2019 by Igor Ladnik

Simple Kafka producer and consumer written in C# and Scala with Avro schema read either from local file or simple Web server

how to know if an item in the Listview is selected

21 Oct 2019 by iampradeepsharma

hi all ,if an item in the listview is seleced then to know if any item is selected ..I tried using listview1.SelectedItems.Count and listview1.SelectedIndices.Count but everytime it is giving count to 0 after selecting an item ...thnx ,

.NET

.NET3.0

how to know if an item in the Listview is selected

21 Oct 2019 by YOUSEF ZAREIE

// Loop through all items the ListBox. for (int x = 0; x

.NET

.NET3.0

HELP ME!! An exception of type 'System.IO.IOException' occurred in mscorlib.dll but was not handled in user code

18 Sep 2019 by Manidas Payyoli

Hi,i am new to this technology please help me.in my mvc project,i am developing a web API projects when i run the program i am getting this error An exception of type 'System.IO.IOException' occurred in mscorlib.dll but was not handled in user codeAdditional information: The device is not...

.NET3.0

MVC5

Conversion failed when converting date and/or time from character string.

13 May 2019 by JawadHafiz

Conversion failed when converting date and/or time from character string.Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details:...

.NET

.NET3.0

DateTime

Conversion failed when converting date and/or time from character string.

13 May 2019 by Member 14366976

I got the same problem and had to spend days before i solved it.. 1. check your date format (if you used "Date" as your datatype in SQL then the date format should be "yyyy-MM-dd", that is based on your customization. i used this and it worked for me. Click on the date picker, go to properties...

.NET

.NET3.0

DateTime

QxOrm - C++ ORM (Object Relational Mapping) Library

24 Apr 2019 by QxOrm

QxOrm C++ library: Persistence (based on QtSql Qt library) - Serialization (based on boost::serialization library) - Reflection (introspection)

how to make windows form responsive?

18 Apr 2019 by Member 9784436

can any one tell me how to make windows form responsive in c# windows form application.like all form looks similar in all computer and laptop.actually when i runs form in diffrent device it looks bad label goes right and all that.so please help me thank you.

.NET

.NET4

.NET3.0

how to make windows form responsive?

27 Mar 2019 by Member 13312004

Use TableLayoutPanel

.NET

.NET4

.NET3.0

Reuse a Single ClickOnce Build for Different Life-cycle Endpoints for an Application

31 Dec 2018 by Randy Kroeger

This article provides an example on how you can change application configuration settings within an existing ClickOnce publish, update the manifest files, followed by using the Mage utility for updating the manifest using the existing cert file.

Implement Observer Pattern in .NET (3 Techniques)

30 Dec 2018 by Chinmoy Mohanty

Multiple techniques of implementing The Observer Pattern in .NET

Google Maps Offline Windows

11 Dec 2018 by omeecode

Google Maps Offline in windows discusses how one can download or save Google maps and then view these images offline

Self-Synchronized Data Access Layer - Part I

31 Oct 2018 by Aydin Homay

In this article, we will discover the power of generics in C#.

Object Oriented JavaScript Class Library in C#/.NET Style

10 Sep 2018 by Evaldas Jocys

JavaScript class library which partly replicates Microsoft .NET Framework structure and functionality.

ReportViewer Control Is not Visible in the Toolbox even if it is checked in the Choose Item,

8 Sep 2018 by VBNetHack

re VS 2107 and WinForms Solution 2 is along the right lines. This is what I did; 1) From Extensions and Updates, download and install Microsoft RDLC Report Designer … 2) As in Solution 2, go into Toolbox, select a section where you want the ReportViewer to appear. Right click and select Choose...

.NET

.NET3.0

ASP.NET

ReportViewer Control Is not Visible in the Toolbox even if it is checked in the Choose Item,

8 Sep 2018 by Yonathan1111

Hallo everybody,I did try again and again to add ReportViewer control into the toolbox,it is checked but couldn't be viewed in the choose item.I don't know how to solve this. This only happens when the project is Asp.Net application. It is visible when the project is windows...

.NET

.NET3.0

ASP.NET

how to make phone call using C# program?

15 Aug 2018 by Toadill

You could try something like this....C# Win32 application using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms; using System.IO.Ports; namespace WindowsApplication1 { public...

C#4.0

.NET

.NET3.0

how to make phone call using C# program?

15 Aug 2018 by ganesh24mca

is this possible to make voice phone call using c# program or .net framework?

C#4.0

.NET

.NET3.0

PSAM Control Library

19 Jul 2018 by Ajcek84

WinForms library containing the IncipitViewer control for drawing musical notes

How can i show only two digit after desimal point......in double type of variable.

23 May 2018 by Shambhoo kumar

sir i have a double type of variable and it's contain a value like (113976.84375) but i don't want to show value in this format i only want to show (113976.84)but i don't know how it done...so help me.

.NET

.NET3.0

Making .NET Applications Scriptable with Aphid, an Embeddable Scripting Language

22 Apr 2018 by JohnLeitch

This article details how to make .NET applications scriptable with Aphid, an embeddable scripting language.

stream.length' threw an exception of type 'system.notsupportedexception'

20 Mar 2018 by Snyezana Miletich

I had the same problem. I was googling and tying many of solutions but nothing worked. At the end i just changes my URL links to "https://" in request and it worked!

stream.length' threw an exception of type 'system.notsupportedexception'

20 Mar 2018 by mayank.bhuvnesh

Hi in the below code I am receiving error "stream.length' threw an exception of type 'system.notsupportedexception'"I have tried using MemoryStream but still its the same??What i am missing????protected void Button1_Click(object sender, EventArgs e){ string encodedURL =...

best way to use .net Datatable with a huge data

18 Jan 2018 by m_abh

Hi All, I need your help please in very urgent issue, I need to fill a .net datatable with a huge data( about 400 MB), when load data i face a memory problem , Out of memory exception , i found it take more than 1GB from memory. I search about this problem and find somebody talk that...

JsonUtility, A Fast, Lightweight C# JSON Drop-in

17 Jan 2018 by honey the codewitch

Dependency free, fast, lightweight JSON parsing and light query

ReportViewer Control Is not Visible in the Toolbox even if it is checked in the Choose Item,

23 Dec 2017 by Nyoman Rahmadi

1. Right Click on Toolbox and check "Show All" There are two reportviewer in reporting tab. 2. Right click again and click "Choose Items..." 3. Disable ReportViewer in ".Net Framework Components" tab and click Ok Reportviewer will dissappear. 4. Right click again and click "Choose Items..." 5....

.NET

.NET3.0

ASP.NET

LINQPad Helps You Learn LINQ

7 Aug 2017 by JasonShort

LINQPad helps you learn LINQ

Buffer.BlockCopy Not As Fast As You Think

7 Aug 2017 by JasonShort

Buffer.BlockCopy is not as fast as you think

Seven-segment LED Control for .NET

1 Aug 2017 by Dmitry Brant

A custom control for Windows Forms that looks like an electronic 7-segment LED display.

CQRS on Windows Azure - Event Sourcing

22 Jul 2017 by Duncan Edwards Jones

How to use a Windows Azure storage table, blob or file as an event store for event sourcing

System.Diagnostics Useful Actions

5 Apr 2017 by Juan Francisco Morales Larios

Useful Actions for debugger in System.Diagnostics

Large Collections in Native and Managed Code (VB, C++, C#) - Part I

26 Mar 2017 by Aydin Homay

In this article, I tried to show a real benchmark based on presser test method, for a Big Data collection deals on C++, C#, and VB.NET.

Converting text files (CSV) to DataTable

21 Mar 2017 by Christiaan van Bergen

An article on converting text files or csv-files to a System.Data.DataSet based on regular expressions

OAuth2 Social Logins - Facebook, Google, Twitter, PayPal - ASP.NET MVC C# open source library

16 Mar 2017 by lepipele

ASP.NET MVC C# Opensource library that abstracts social logins for OAuth providers like Facebook, Google, Twitter, PayPal

CQRS on Windows Azure - The Command Side

4 Mar 2017 by Duncan Edwards Jones

An outline of how a paired Azure queue and Azure table can be used for the command side of a CQRS application

DesignSurfaceExtended the third (chapter), how to implement a FileSystem Persistence Manager

3 Mar 2017 by Paolo Foti

Save and restore your design work using a persistence manager based on XAML code

Inno Setup Script to Change a C# Forms Configuration

25 Feb 2017 by RickZeeland

Create an Installer which allows to change the Forms application settings in a custom Inno Setup page

Code Review Checklist

24 Feb 2017 by Ebenezar John Paul

An Ideal Code Review Checklist that applies for most programming languages

Cannot access a disposed object.

17 Feb 2017 by Legendof507

I have a MDIParent form with two menubar 1)Annotation2)Retentionwhen we click on annotation manu it will open annotation formand when we click on retention menu it will open retention form..the problem is when i click on annotation or retention menu for first time, it opens form, after...

.NET

.NET3.0

Cannot access a disposed object.

17 Feb 2017 by Member 13008760

Try this code....... :)private void toolStripMenuItem64_Click(object sender, EventArgs e) { try { Frm_DoaCreditNotePending DOADBNPartyWise = null; if (IsFormAlreadyOpen(typeof(Frm_DoaCreditNotePending)) == null) ...

.NET

.NET3.0

REST in WebApi

3 Feb 2017 by tranthanhtu.vn

In "REST - Overview" article, I were introduced the basic rules in RESTful, Can you show me how to implement in WebApi?Ok, in this article, we will learn how to implement those rules in WebApi using C#.Where could I get sourcode was used in this article?Please checkout the code at https://github.com

Introduction to PayPal for C# - ASP.NET developers

3 Feb 2017 by lepipele

An overview that presents all PayPal integration options, targeted especially at C# developers.

Thread-Safe ObservableCollection<T>

10 Dec 2016 by Cory Charlton

A thread-safe implementation of the ObservableCollection class

How To Sort Two Dimensional Array in Selected Sort Order by Column One, Then By Column Two, Then By Column Three . . . Then By Column N?

10 Oct 2016 by Perić Željko

Sort two dimensional array by using DataGridView class

I M Getting This Error When I Install Package Signalr

29 Sep 2016 by QuentinEllison19

The following errors occurred while attempting to load the app.- No assembly found containing an OwinStartupAttribute.- No 'Configuration' method was found in class 'Microsoft.VisualStudio.Web.PageInspector.Runtime.Startup, Microsoft.VisualStudio.Web.PageInspector.Runtime, Version=1.0.0.0,...

I M Getting This Error When I Install Package Signalr

29 Sep 2016 by Shashangka Shekhar

Add OWIN Startup class name it : Startupthen enable the service :)public void Configuration(IAppBuilder app){ app.MapSignalR();}

Custom MessageBox with checkbox

11 Sep 2016 by Avatar2400

This is a simple class that allows you to have message box with checkbox and other small features.

SAP .net connector error Please enter sold to party or ship to party

21 Aug 2016 by Seth Ji

// Partner salesPartnersStruct.SetValue("PARTN_ROLE", "SP"); salesPartnersStruct.SetValue("PARTN_NUMB", "102003");replace the above code with// Partner salesPartnersStruct.SetValue("PARTN_ROLE", "AG"); ...

SAP .net connector error Please enter sold to party or ship to party

21 Aug 2016 by Naveedathar

I am trying to integrate SAP with a .net web application using SAP nco 3 .net connector. I have successfully connected to the SAP system but when i try to create a sales order in SAP using BAPI "BAPI_SALESORDER_CREATEFROMDAT1" i get the following error: "Please enter sold to party or ship to...

Get Windows Password in c#

18 Aug 2016 by agent_kruger

i know that the password of Windows is stored in dll with hash encoding but i need to know that is it possible to decode it. Any piece of code in c# will be appriciated:)

Computed Tomography - Generation of the Sinogram Image in C#

18 Jul 2016 by Amarnath S

An article describing the computation of the Sinogram of an image in C#, using the Radon Transform of the image.

how to create ReportViewer programatically in C#

20 Jun 2016 by M.CHAITHANYA

Hi, I have a button in my form .When i click,Programatically ReportViewer should get generated,i have to bind a datasource to the report viewer and display a report to the enduser based on some constraints.Please help me how to do this.Thanks in Advance.RegardsChaithanya M

C#4.0

.NET

.NET3.0

how to create ReportViewer programatically in C#

20 Jun 2016 by David Miller

Hi Chaithanya check below this useful link.ReportViewer Tutorial[^]Using ReportViewer in WinForms C#[^]I hope it will help you

C#4.0

.NET

.NET3.0

A Format Control String Surprise

12 Jun 2016 by David A. Gray

What happens when you have more items in your list than you have items in your control string?

Automatically Create Data Access Layers and Business Layers From Microsoft Access or SQL Server Databases

27 May 2016 by icemanind

How to automatically create data access layers and business layers from a Microsoft Access or a SQL Server database

Set document mode of IE for application

13 May 2016 by geeta pavate

When I open an webapplication default document mode is lowest. I want set it to open in latest mode. I have converted my application to from .net 3.0 to 4.5.What I have tried:When I am running my application in the localhost it is opening in the latest document mode, for live application...

.NET4.5

.NET3.0

.NET Versioning and Multi-targeting on C# Application and Component

3 May 2016 by Southmountain

this post discussed .NET versioning and multi-targeting of .NET application and component written in C#.

How to check Datagridviewcheckboxcolumn checked or not cheked

22 Apr 2016 by Shambhoo kumar

i m generating datagridviewcheckboxcolumn in run time but i don't know how can i check it's checked property true or false....plz any one help me...(In Windows Application)thanks in advance.....

.NET

.NET3.0

Using the Windows MIDI SYSEX API in .NET

13 Apr 2016 by Steve Grundy

This article describes using the Windows MIDI API functions in a managed environment.

Getting All "Special Folders" via VB.NET

12 Apr 2016 by Jalapeno Bob

A VB.NET version of Ray Koopa's 21 Mar 2016 article, Getting All "Special Folders" in .NET

Customisable WinForms Progressbar Control VB.NET

2 Apr 2016 by David Vanson

A progress bar control you can customize

A Quick Program for File Hash Comparison with MD5 and SHA1

1 Apr 2016 by varun bansal

A quick program to compute and measure hash comparison

best way to use .net Datatable with a huge data

23 Mar 2016 by Carlos A Merighe

I had a problem with a DataTable throwing an out of memory exception randomly. As it turned out, the project's Build Platform target was set to "Prefer 32-bit". Once I unselected that option, the random out of memory exception went away.Carlos A Merighe

Google Translator

17 Mar 2016 by Ravi Bhavnani

An object that harnesses the power of Google's online natural language translation tools.

NamingFormatter - String Interpolation in Runtime Solution

10 Feb 2016 by Kouji Matsui

This library is simple and is a substitution of System.String.Format.

Creating Auto Completion/Code Completion in C#

28 Jan 2016 by Pritam Zope

In this Article we will create an Auto Completion/Code Completion Window using C# that automatically shows popup of the list of words or keywords and inserting those into a RichTextBox

Ask yes no cancel window in c#

8 Jan 2016 by Member 12213653

This confirm box help you to get correct response with having Ajax.java script code for geting confirm value. function Confirm() { var confirm_value = document.createElement("INPUT"); confirm_value.type = "hidden"; ...

Illustrating the State Pattern with a Very Basic Example

29 Dec 2015 by Rajesh Buddaraju

A simplified example is used to describe the state pattern

True Asynchronous I/O

28 Dec 2015 by danah gaz

A lightweight, high performance, easy to use asynchronous stream copy method using IOCP with progress, throughput tracking, and no explicit thread creation.

Hosting 8bf Plugins in a .NET Application

27 Dec 2015 by 0xC0000054

A C# library to host Photoshop-compatible filters in .NET 2.0 and later

HELP ME!! An exception of type 'System.IO.IOException' occurred in mscorlib.dll but was not handled in user code

17 Dec 2015 by Ebenezar John Paul

Here exceptions occur when, * The specified path/searchoption is not a valid one. * You are trying to access an unmapped network location. * You do not have the persmission.I have taken a sample from the microsoft website. Just insert the following code into your...

.NET3.0

MVC5

Speech recognition, speech to text, text to speech, and speech synthesis in C#

8 Dec 2015 by Thomas Daniels

This article explains speech recognition, speech to text, text to speech and speech synthesis in C#.

Memory allocation in .Net – Value type, Reference type, Stack, Heap, Boxing, Unboxing, Ref, Out and Volatile

22 Nov 2015 by saleemy2ks

This Article discusses on Memory allocation in .Net and how JIT compiler optimizes non-volatile code. It also talk about Value Type, Reference type, Stack, Heap, Boxing, Unboxing, Ref, Out and Volatile.

Report Viewer Not Working with c# windows form application using rdlc report

12 Nov 2015 by dnibbo

Is this in development or post implementation?If this is a click once deployment and the error is post implementation then you set the report viewer as a prerequisite so it is downloaded prior to the application launch if I remember correctly. This may have changed since my last project...

.NET3.0

Report Viewer Not Working with c# windows form application using rdlc report

12 Nov 2015 by Anisuzzaman Sumon

Show some code. check where you place your .rdlc report.It seems that reportviewer could not find your report.

.NET3.0

Report Viewer Not Working with c# windows form application using rdlc report

12 Nov 2015 by Member 10234718

See the end of this message for details on invokingjust-in-time (JIT) debugging instead of this dialog box.************** Exception Text **************System.IO.FileNotFoundException: Could not load file or assembly 'Microsoft.ReportViewer.WinForms, Version=11.0.0.0, Culture=neutral,...

.NET3.0

change function is not working jquery

8 Nov 2015 by RISKYROCKS

$( document ).ready(function() { $(function () { $.ajax({ type: "POST", url: "Single_page.aspx/getCity", data: '{}', contentType: "application/json; charset=utf-8", dataType: "json", ...

.NET3.0

jQuery

Doing Delegates Differently - Part 1

8 Nov 2015 by DotNetSteve

Using delegates to group, conquer cross cutting concerns and create dynamic validators

WPF/XAML NotifyIcon and Taskbar (System Tray) Popup Window

4 Nov 2015 by Murray Foxcroft

Integrating WPF and XAML with the Windows forms NotifyIcon control to produce a slick, styled popup window when the mouse is moved over the NotifyIcon

LayerGenMMX

2 Nov 2015 by icemanind

Easily create Business and Data Layers!

.NET Remoting Events Explained for VB.NET

25 Oct 2015 by Greg Nutt

This is a VB.NET Version for ".NET Remoting Events Explained"

How to get rid of the problem"object reference not set to instance of an object"

20 Oct 2015 by OriginalGriff

This is one of the most common problems we get asked, and it's also the one we are least equipped to answer, but you are most equipped to answer yourself.Let me just explain what the error means: You have tried to use a variable, property, or a method return value but it contains null -...

C#3.5

.NET3.0