In GridView i want to add new roa and wnat to save the data into the database.

Question

I am doing the application in asp.net using grid view and save that data into the data base.

In GridView i want the following design as follows;

 Sno      Name      Age       Address
textbox  textbox   textbox     textbox
textbox  textbox   textbox     textbox
textbox  textbox   textbox     textbox
                      AddNewRow      Insert
                        (Button)          (button)
I want when i  click the AddNewRow (Button) another row to be added in the gridview and when i click the Insert (Button) the inserted data to be saved in the database.

for that i want to do the code and send the source code also.please help me.