How can i extend this search feature to include search by word(s)

Hi All,

i am still in the learning process of asp.net 2.0 and c#. right now in my website, i have enabled a search feature which basically allows search by Product No ( item no). i would like to extend this feature to include search by word along with the current item no search. here is my complete code.

First i have a user control page called MyControls.ascx in which i have my ItemNo search feature. basically i have a Textbox and a imagebutton like below

<div class="productText">Product No :</div>

<div>
< ...