Combo Population using n Tier Architecture

Question

Hi I am using n tier architecture in that I need to populate the combo box named category. The database table name is ItemCategory and the fields are categoryID and CategoryName. When I click on the drop down box in my design I need to show all the data inside CategoryName. Please help me.

Renjith V S · Answer

Please explain it with 3 tier architecture. I need to get the codes using data layer presentation layer and business layer.

Munesh Sharma · Answer

see this once http://stackoverflow.com/questions/2417960/populating-a-combobox-using-c-sharp