You can place a GridView control nested inside the ItemTemplate of Template Field Column of another ASP.Net GridView control to display the related data. Nested GridView controls enable you to retrieve and display the parent items as well as their related child items from the SQL Database very easily.
GridView Property Used
C# Properties and Method of GridView Used
1. DataKeys Array Collection of DataKey values associated to each row item of GridView
2. FindControl method to find and access the nested GridView control