Hello, i'm doing a web page with php where can insert data in a form and i insert that in a mssql. but i have two <select> html tags, than one depends in other, and i want to know how i can sow the data in the second select depending on the selected in the first. i know how to sow the data in the <select> taking it from the mssql. but in the second i want than when you select an option in the first, this changes and sow the data in with row of the table find this value. Thanks.