ios4 - Iphone Tableview reaload data how to make the new data at the top rows of the tableview -

i have decler nsmutable array , load data tableview here issue new loaded data comes middle of tableview or @ bottom want comes @ top rows when reload data in tableview how possible if can me thankful him/her;

it depends on way add objects in array. example: if nsmutablearray named source, if call

[source addobject:@"new row"]; 

you'll find @"new row" last row in table, while if call

[source insertobject:@"new row" atindex:0]; 

you'll find first row.