Save and Fill Data in a ComboBox in C# and SQL Server

In this tutorial, I will show you how to save and fill data in the ComboBox in C# and SQL Server 2005. This method is use for displaying data in the database to the list control of a ComboBox. This process has the capability to control whatever data you want to place into the ComboBox.

SaveFillCBOSQLOutput Fill

To start with:

Joins in SQL | Types of Joins in SQ... x
Joins in SQL | Types of Joins in SQL With Example | Best Practices of 2020

Create a database and name it “categorydb”.

After creating the database, open Microsoft Visual Studio and create new Windows Form Application. Then do the following design of a Form as shown below.


Go to the Solution Explorer, double click the “View Code”  to display the code editor.


Note: Put using System.Data.SqlClient; above the namespace to access sql server library.

In the code editor, declare all the classes and variables that are needed.

After declaring the classes and variables, establish a connection between SQL server to in the first load of the Form.

After that, create a method for filling data into a ComboBox from the database.

Go back to the design view, double click the button and do the following codes for saving data in the SQL database.




For all students who need programmer for your thesis system or anyone who needs a sourcecode in any programming languages. You can contact me @ :

Email – [email protected]

Mobile No. – 09305235027 – tnt

Download Sourcecode

Project Name : Save and Fill Data in a ComboBox in C# and SQL Server
Project Platform :C#
Programming Language Used:C# Programming Language
Developer Name
IDE Tool (Recommended):Visual Studio 2019
Project Type :Desktop Application
Database:MySQL Database
Upload Date and Time:June 13, 2016- 5:26 am

Leave a Comment