Problem in DataGrid View in C# windows Application

Question

Hello friends,

 

i have one gridview and adding rows at run time when i click on button. what i want to do when i click on button row should be on top. for example if student name come in first row Naeem and 2nd Row Come Karthik now what i want when i add karthik it should be come on first not last .

last record should be selected and come on top.. is it possible then reply me ASAP..

 

thanks in advance