how to search multiple controls in gridview to display data in grid

Question

Hi........

        I have one application in that app i have dropdownlists,text boxes,...etc

i want to search in gridview data.when i entered texboxes text and at the same time i selected dropdownlist then at a time search for two r more controls when i click search button.


 i m using MySql database.


how i can search please give me any idea.