how to show only data from textboxs to the gridview in c#

it is only possible using magic,
because grid view show data when, data is either data set or in database, or in a list,
but you want that after one text box fill, grid view fill atomatically,
 
one solution is use update panel and autopost back to all text box, and after filling first text box you store this value in data virtual data table and then put this vitual data table to table grid view