Add (Show) Serial Number (Row Number) in ASP.Net Repeater using C# and VB.Net

Here Mudassar Ahmed Khan has explained with an example, how to add and show Serial Number (Row Number) in First Column of Repeater control in ASP.Net using C# and VB.Net. The Serial Number (Row Number) can be auto generated in the following two ways. 1. Using ItemIndex. 2. Using ItemDataBound event.