convert the datetime format

Question

Hi all,
plz help, i want to pass the date value code page to select stored procedure for bind gridview. select stored procedure taking date value in mm/dd/yyyy format for e.g. @date= 05/13 like..
 and i wnt to pass value from code page using textbox. the textbox date format is dd/mm/yyyy. for e.g. textbox.Text=13/05 like..

thanks in advance....