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Great Reads

WPF 3D FlipPanel

by Fredrik Bornander

WPF Implementation of the spinning panel frequently used on the iPhone

AJAX-enabled Name Selector User Control

by Steve Krile

Fully AJAX-enabled user control used to select names from a database in a drop-down format.

Flexible WPF ToggleSwitch Lookless Control in C# & VB

by Graeme_Grant

A Modern Toggle Switch - From mock concept to a full custom WPF control that you can plug into your own apps

Create and Send An Email Reply in C# / VB.NET

by JosipK, Marko Kozlina

C# and VB.NET console applications that demonstrate how to create and send an email reply with IMAP and SMTP protocols in .NET Framework

Latest Articles

Redesigned German Cards Game "Schafkopf"

by Jo_vb.net

This article and the demo are about getting started using my Schafkopf_OOP VB.NET project.

Collapsible-Panels

by CODING_MLD

Expanding and collapsible panels implemented in VB.NET

SET Network Parameters with IPCONFIG and Text Files

by Allegra Angelo

Save, read and text recognition of network parameters

Smart Home – Controlling Shelly® Devices (Part 4) - Property-Manipulation with the PropertyDescriptor

by Ralf Meier

This article revolutionizes Shelly device management, providing an updated, efficient, and feature-rich solution for both beginners and advanced users." You will discover new ShellyCom2 features, such as property manipulation using PropertyDescriptor, and a set of valuable helpers and commands.

All Articles

Visual Basic

.NET Configuration File Corrupts On Write

9 Nov 2021 by Member 12660776

Programmatically Adding New ConfigurationSectionGroup Corrupts Declaration Section With Multiple Group Declarations.

.NET Data Modeler for Oracle 11g

19 Mar 2014 by Jacob Himes

My go around to an Entity Framework alternative

.NET DataTable To JSON Format Conversion Tool for WCFServices

4 Nov 2013 by SimbarasheM

A .NET v4 Library for converting DataTable row(s) to JSON String for WCFServices

.NET dropdown in listview item / subitem... etc.

25 Jan 2012 by Louis van Tonder

Quick and easy way to add dropdown functionality to the listview.

.NET Get Correct Caret Position from TextBox Control

8 Jul 2014 by B.O.B.

How to get correct caret position from Textbox control

.Net Progress Bar - Single or Multi-Threaded

15 Jul 2014 by AlexF185

A dynamic progress bar control easy to use and literally plug and play

.TS File Convertor to .MP4

4 May 2021 by Mr.Kim2050

How to convert .ts files to .mp4

12/24 Hour Time format

5 Jun 2011 by thatraja

Display Date Time in 12/24 hour time format in C#/VB.NET

[Mail Sent]How to Send an Email in ASP.NET Application

7 Feb 2014 by Subodh Raghav

In this tip, you will learn how to send an email in your ASP.NET application.

[Solved] Process With An Id Of ... Is Not Running

16 Sep 2015 by XyedBilal

URL binding failure

[You can do it] How to Create a Web service in ASP.NET

21 Apr 2016 by Subodh Raghav

A web service is a web application (a piece of software component) which is available on the internet.

A Complete Sample of Custom Class Collection Serialization and Deserialization

19 Jun 2014 by Maciej Los

If you want to know the way you can serialize and deserialize custom class collection, this tip is for you.

deserialization

A Free & Useful Converter from VB project to C# project

3 Jun 2022 by Southmountain

This tip shares some lessons and thoughts after using this converter.

A High-Quality IconBitmapEncoder for WPF

11 Nov 2017 by Herbert Lausmann

An IconBitmapEncoder that produces high-quality icons, written in VB.NET and C#, WPF

A Month/Year Date Picker in VB.NET

3 Nov 2014 by Paul M Cohen

A month/year date picker in VB.NET

A PictureBox with Zoom, Grid and Rulers

6 Mar 2014 by LucaDN

Add zoom capabilities, grid and rulers to the standard WinForms PictureBox control

A Plug and Play Logging Library for Dummies

20 Dec 2015 by shijo joseph

An easy to implement yet powerful logging library which requires absolute zero learning curve

A quick & simple VBA FIFO Queue Implementation

8 Jul 2010 by Stefan Huy

VBA Hashtable Visual Basic Queue FIFO

A quick & simple VBA FIFO Queue Implementation

4 Apr 2012 by BorysT

This is an alternative for "A quick & simple VBA FIFO Queue Implementation"

A quick & simple VBA HashTable Implementation

8 Jul 2010 by Stefan Huy

VBA Hashtable Visual Basic Hash

A quick & simple VBA LIFO Stack Implementation with PUSH und POP

8 Jul 2010 by Stefan Huy

VBA Hashtable Visual Basic Stack LIFO

A Rational .NET Class

3 May 2023 by Xavier Junqué i de Fortuny

A rational class to extend numeric functionality

A Simple Number Entry Textbox

2 Dec 2009 by bobishkindaguy

A simple entry box for various numbers, especially phone numbers.

A SQL-Like IN function for C# and VB.NET

10 Mar 2017 by CHill60

Simplify complex if-statements with "where value in list"

A tip/trick about Type Character

3 Feb 2011 by Prerak Patel

Type Character

A tip/trick about Type Character

31 Jan 2011 by Dave Kreskowiak

Yeah, this has been a "feature" of VB for about 20(?) years now. The "!" is one of the Type Characters. It's all documented here[^]

A utility to measure screen area in pixels

30 Apr 2013 by Michael Rosqvist

If you want to measure something on the screen, here is a utility.

A VB.NET example to list computers in your domain

12 Apr 2011 by Morris Bahrami

A small example of how to list computers in your domain

A VB.NET Implementation of the Douglas-Peucker Algorithm without Recursion

21 May 2016 by veen_rp

An add-on tip to articles already posted on Code Project

computational-geometry

Access the Data Rows Filtered by the BindingSource.Filter Property

12 Mar 2010 by DaveAuld

I recently had created a windows forms application in VB.Net2008 and made use of the BindingSource control to bind all the forms controls to the underlying SQL Queried data.I built user functionality on the form to allow the user to further filter (client side filtering ) the original data...

Access the Data Rows Filtered by the BindingSource.Filter Property

16 Mar 2010 by Ravi LVS

I don't see any difficulty in finding the above solution, because I am using same functionality since long back. Here is my alternative code.Instead of creating a new DataView object, you can directly call the DataTable's DefaultView.sourceDataTable.DefaultView.RowFilter =...

Access Values of ProgressBar Created a Runtime

23 Oct 2014 by Tantum

Access values of ProgressBar created at runtime

Accessing the Controls on a Form at Design Time

29 Oct 2013 by Mike-MadBadger

How to discover all the controls on a form at design time for a property editor

Add an Attached Caption to a Figure in One Click (Word Macros)

10 Jan 2011 by Chen,Shaowen

In this solution, we try to capsule our figure and its caption in a Textbox, so that if we move the Textbox, the contents (figure and caption) will move together.

Add javascript drop down menu to SharePoint's Top Link bar

9 Jul 2010 by marc9889

Adding CRLF to EDI Files

28 Aug 2012 by Curtis Hines

Convert EDI file terminators to CRLF

Algorithm for Alphanumerical Sort with IComparer

15 Jun 2015 by jurhas

An algorithm for sort alphanumerical strings in their own natural way

Allow Form to close when invalid data is present

24 May 2014 by CHill60

Allowing a User to cancel a Form when Validation is in place and invalid data has been entered.

AlSayed Color TrackBar

5 Jun 2012 by Abed AlSayed

AlSayed ColorBar is a TrackBar best for professional color picker, like the one used in Adobe Photoshop.

ALTE Azure Table Storage Indexed ORM

29 Jan 2019 by nickdenker

An ORM style layer which turns Azure Table Storage into a cheap and scalable indexed noSQL database - without the costs associated with Azure CosmosDB.

Alternating Types in Bound Repeater

15 Jul 2013 by AspDotNetDev

In this alternate version, we take into account the possibility that binding to a list of different types may cause compile errors.

Alternative to BeginEdit/EndEdit Pattern

4 Nov 2015 by Casey Witt

A class for implementing BeginEdit/EndEdit functionality in a "Using" Block

An Algorithm For Grouping Data on One or More Fields Using a DataReader In .NET

7 Jan 2010 by jfernand

Introduction...

An Easy Way To Query a Database

29 Apr 2011 by dontumindit

An Easy Way To Query a Database

An Easy Way To Query a Database

14 Feb 2011 by FZelle

You are both wrong with the DataAdapter.Why do you think there is an overload with the querystring and the connectionstring?public DataSet select_query(string query, string con_str){ try { using (SqlDataAdapter da = new SqlDataAdapter(query,con_str)) { ...

An Easy Way To Query a Database

14 Feb 2011 by woric

The sample code provided by Andrew Rissing is a huge improvement over the original, but incorrectly catches the exception and displays a MessageBox. (Andrew correctly points out this is not a good idea.)A better solution is to allow the exception to fail:public DataSet...

An Easy Way To Query a Database

23 Feb 2011 by PrimeCoder

Nice,How about adding a couple of other methodspublic static void Parameter(IDbCommand command, string naam, object value){ IDbDataParameter par = command.CreateParameter(); par.ParameterName = naam; par.Value = value ?? DBNull.Value; ...

An Easy Way To Query a Database

14 Feb 2011 by Andrew Rissing

The following samples should take advantage of using statements and furthermore built in features of the ADO.NET framework. Furthermore, if you open a connection, make sure you open it at the latest time possible and close it as soon as possible.Edit: While I was originally not trying to...

An Updated Batch Image Resize Tool

22 Aug 2014 by rmliu

Resize either images or canvas only, resize batch images

An Workaround for Double Click on Treeview Checkbox

10 Jun 2014 by Thava Rajan

This tip is used to fix a workaround for a bug in double click on checkbox

Animations made easy in WPF.

19 May 2015 by Bhanu Pratap Singh Rathore

Animate Controls with ease using the MAnimation class developed by myself and can be used by anyone.

Apps Key in DevExpress GridControl

29 Jun 2011 by Alexandros Pappas

Display of a context menu when pressing the Apps key in a DevExpress GridControl

Arduino Code Printing

15 Nov 2015 by David Vanson

A small application to pretty print Arduino code with syntax highlighting

Arrays Generator

26 Jul 2015 by Alaa Ben Fatma

Generate your arrays using a GUI tool

ASP.NET Conditions in Markup Using Bound Data

18 Oct 2012 by AspDotNetDev

You can't use an if statement in a bound code block, but you can still use conditions in your markup based on bound data.

ASP.NET Conditions in Markup Using Bound Data

18 Oct 2012 by AspDotNetDev

C# version

ASP.NET Multiple File Uploader

17 Jun 2015 by Chamila Nishantha

Multiple uploader control for ASP.NET applications

ASP.NET timed page reload

13 Nov 2013 by James Gabel

ASP.Net timed page reload on button click/form submission.

Async Await with Web Forms Over Multiple Postbacks

30 Dec 2015 by Tristan9

Better use async / await in web applications

Auto Clearing Label by Extension

14 Apr 2016 by veen_rp

This message will self destruct in 5 seconds...

AutoComplete ComboBox Control From Database

26 Aug 2010 by alrosan

AutoCompleteExtender working with EntityFramework! (Reload 2015)

12 Nov 2015 by Eduardo Yost

Creating a Web User Control containing an AutoCompleteExtender for data through WCF (JSON) allowing to store the entity selected through EntityFramework. Entity object serialization from the server to the client and the client to the server.

Avoid invalid namespace error while desrializing class

1 Mar 2010 by r verma

Following trick will also provide a way how to handle/pass objects to web service through a web application as in web applications developer will not be able to update proxy class (old trick followed in case of class library). When you try to serialize your class let say using Binary...

Avoid Out-of-memory Troubles with Very Large Lists(Of T)

15 Jan 2016 by veen_rp

Big lists (>1,000,000 items) can cause out-of-memory errors raised by .NET. Manage them by a List of List(Of T)

Avoid Sending Mail from the Wrong Account

14 Dec 2015 by bradyguy

Don't send your mail out using the wrong account

Office-Automation

Azure Table: Clearing Out A Partition (Tip)

4 Aug 2016 by Duncan Edwards Jones

How to clear out a partition in an Azure table

Back and Forward button for MDI Parent form to traverse through opened MDI child forms

27 Feb 2014 by Sarath Jayachandran

Backup & Restore of SQL Server database using VB.NET

13 Nov 2011 by Patil Kishor

Backup & Restore of SQL Server database using VB.NET

BackUp and Restore with SMO of SQL Server 2008

26 Oct 2015 by Hernán Hegykozi

This tip will show how to perform a backup and restore database from an application in VB.NET 2010.

SQL-Server-2008

Backup Stored Procedures in SQL Server

13 Sep 2012 by CorvetteGuru

Backup Stored Procedures in SQL Server.

Basic Base64 Encoded Image Viewer

5 Aug 2015 by sreeyush sudhakaran

VB.NET code for Base64 Encoding and Decoding of Image files

Be Careful in Printing 'Error:' in Custom Build Events of Visual Studio

20 Apr 2014 by Zhuyun Dai

Your build will fail if you print 'Error:' in your custom Build Events of Visual Studio.

Be Kind, Rewind

12 Apr 2017 by Duncan Edwards Jones

Thoughts for writing code for the next developer to use (or how to apply the golden principle to code)

Beginner's Guide: How to Implement log4net in VB.NET Web Application

16 Jan 2012 by Robby Tendean

Simple implementation guide for log4net in a VB.NET web application.

Bell Curve, Gaussian Function, or Normal Distribution

3 Aug 2010 by Tim-bot

Simple calculation to determin a value at a percentage along a bell curve. Also with an offcenter curve intersection thing....

Better URL Building with Flurl

19 Jun 2018 by tmenier

An introduction to Flurl, an open-source .NET library for fluently building URLs

Big Design Up Front or Emergent Design?

28 Nov 2016 by Zebedee Mason

Or why not both? This shows how.

Binary Code Compatibility

25 Jun 2012 by wesamq

This article explains how you can identify any compatability issues for a legacy code written in VB, or any other language that produces TLB (Type Library) files for its interfaces.

Bitmap to Memory Stream and Vice Versa

8 Oct 2013 by Prashant.Tiwari

Must required functions for any Image manipulation task.

Windows-Phone-8

Bug Fixes for Reading Barcodes from an Image - III

5 Jul 2012 by Matthias Böhnke

Bug Fixes for Reading Barcodes from an Image - III

Bulk Copy/Insert from a CSV file to SQL Directly

14 Jan 2016 by Bhishma Anil Kajaria

Browse and Copy data from your CSV file to SQL directly without any Windows application...

Bypass and Restore SSL Certificate Validation in VB.NET

30 Jan 2012 by Robby Tendean

How to bypass SSL certificate validation checking and restore it

Bypass and Restore SSL Certificate Validation in VB.NET

8 Feb 2012 by Pascal Hubert

Looks like what I use!ServicePointManager.ServerCertificateValidationCallback = New RemoteCertificateValidationCallback(Function() True)

C# / VB.NET / C++ CLI and WinAPI: How to Programmatically Press Mouse Button, and Check if Mouse Button or Keyboard Key Pressed

29 Sep 2014 by Emiliarge

Using WinAPI functions - GetAsyncKeyState and mouse_event

C# / VB.NET and WinAPI: How to Access Window of Other Application

30 Jan 2015 by Emiliarge

Using FindWindow() and WindowFromPoint() to identify window, and SetWindowText(), MoveWindow(), SetForegroundWindow(), EnableWindow() to interact with it

C# Storable Box Control 1.4.0.4

6 Mar 2015 by Darkencrow

A multi-drawer style collapsable UI container

Call Date and Time Zone Property[Shell Script]

13 Feb 2010 by Pratik M Mahajan

'Call Date and Time Zone Property[Shell Script]'Tested in XP not on Vista'Take one button and write following code in its click event:Public Class Form1Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.ClickShell("rundll32.exe...

Call Form with string name ( convert String to Control)

30 Oct 2012 by hajivalie

Call Form with string name

Call Functions Until One Meets Condition

1 May 2012 by AspDotNetDev

Call a series of functions until the return value meets a condition without a chained-if or short-circuiting.

Call Functions Until One Meets Condition

29 Mar 2011 by cechode

Sorry, but could not resist :)Being that we we started with select case (in the launge), I felt that this was missing both the initial condition and the action to perform for the case that got hit.So given this:static Action SelectCase(T conditionValue, List

Call Functions Until One Meets Condition

2 Apr 2011 by AspDotNetDev

VB.NET Version (C# Version)Thanks to cechode for inspiring this tip/trick. Suppose you have the following functions:Function Step1() As Boolean Return TrueEnd FunctionFunction Step2(ByVal val1 As Integer, ByVal val2 As Integer) As Boolean Return val1 = val2End...

Call Functions Until One Meets Condition

6 Apr 2011 by Member 4694807

Sorry, but I don't like adding additional artificial elements like function arrays . I would code it as following:If isok(Step1()) OrElse isok(Step2(1,1)) OrElse isok(Step3() OrElse isok(Step4() OrElse isok(0+1) thenend ifFunction isok(ByVal rc as Integer) As Boolean ...

Call Functions Until One Meets Condition

24 Jun 2011 by FDW

I do think the approach is over complicated, but in some cases there may be (a small) benefit. As an alternative I would offer:First version (no common test):((Action)(() =>{ if (!Step1()) return; if (!Step2()) return;}))();Second version (common...

Call Functions Until One Meets Condition

19 Jun 2012 by Andreas Gieriet

This is an alternative for "Call Functions Until One Meets Condition"

Calling an ASMX webservice from other server using jquery and PHP

25 Jun 2014 by SibeeshKV

Calling an ASMX webservice from other server using jquery and PHP

Capturing Audio and Replay It Using Direct Sound in VB

22 Sep 2016 by Farai Chikwetu

This tip describes how to capture audio and then replay it using Microsoft Direct Sound DLL.

Cause Windows.Forms.SaveFileDialog to display in Details mode

14 Mar 2010 by hground

I have several applications that open a SaveFileDialog, but it always comes up in "List" mode and I had not found a way of configuring the dialog to display in "Details" mode. This is a kludgy work-around, but it seems to work OK. After Declaring the dialog in your code and just prior to calling...

Centralise a Form on the Current Screen

5 Jul 2016 by _Matt_Wilkinson_

How to centralise a Form when using multiple screens

Change Font & Size of Crystal Report Dynamically

2 Nov 2011 by Patil Kishor

Change font & size of Crystal report dynamically

Change Height of ALL Rows in DataGridView Simultaneously

27 May 2012 by Yumashin Alex

This tip describes how to change DataGridView behavior concerning row resizing