Gridview select button to populate another form with data

Question

hiii

i m new in asp .net...

i m making a form in which i am using the textbox, radiobutton list,dropdownlist,button and grid view....

when i click on the button then all the data which is in textbox,radiobuttonlist and dropdownlist are entered into the database and show into the gridview....

in gridview i take a select or delete button.  

now i want that when i click on the select button of grid view then the selected row data can populate on other form i textboxes....

plzzzzzzzzzzzz....

help me........