ajax tabcontainer

Hi, i have created a tabcontainer with 5 tabs panel. Q1) At pageload, how am i to able to display or enable clicking only tab1 4 and 5? Q2) and only if user selected a record in the gridview of tab1, it will display/enable tab 1 to 5? Q3)tab 1 is the gridview of all the patients, tab 3 is the...