When you need to fill data from the database table, filling it manually can be frustrating. In this tutorial, it explains how to fill dropdown list from the database table so that you don’t need to manually enter data one by one. Just select the list in the dropdown box and it fills it in automatically. It is a good trick specially for redundant data and a great learning tool for beginners to get them prepared for bigger tasks. We are going to use Visual Studio to create a website using c# and fill in the code that is included in the article. Also, you have to modify your web.config file.