Hi there.
how are you populating your datagrid? by using the component inspector?
if so first of all change it to use a dataprovider, this will make it easier to loop through the items.
I can't think of any way to loop through the items if populated by the inspector.
have a look here if you don't know how
http://www.adobe.com/livedocs/flash/9.0/main/wwhelp/wwhimpl/common/html/wwhelp.htm?context=LiveDocs_Parts&file=00002639.htmlthen all you need to do is set up a input textfield and a button. when the button is pressed get what was typed, loop through the dataprovider and check if it matches.
if if matches, you'll have an index from the for loop and set the selectedIndex of your combobox to that value.
start there,and we can move on from there.
