Forms Data Controls :: Display A List Of Names To Gridview?

i seem to have a problem with my gridview, i have a gridview with a list of names, this gridview is assign to a datasource and the datasource already has a select statement to display a list of names to my gridview, and i have a search dialog which i use to filter data to be displayed on my gridview, my problem iS after filtering , when a user select a certain row the gridview refreshes and display the initial data(it binds again the use the default setted select query). On my search i use

SqlDatasourceName.SelectedComman = filterQuery;
SqlDatasourceName.DataBind();
GridviewName.DataBind();

to filter the grid according to my search criteria, which is the one i have assigned its select to the string varieble filterQuery.

That works fine, and dispaly only d data i setted my search to retrieve, bt my problem is when a user select a row on d gridview , d gridview is repopulated with d initial data(Use initially datasource select statment). How to make d grid to stick to d select statement that i setted on my search and not letting it to go back to the initial setted select.