how to Display the data from database using selected ID

Question

 hi.....frnds 

 

we are creating defect as a id basis.

 

 

if we select id that related data should show in gridview ..

 

 

everything is working actually my problem is i have 2 datatable 1 for creating defect another for add related data as category wise sooo. if i cleck id it should show related data in gridview in another page

 

 

it is showing full table itself i want only id related data 

pls help me frnds  :)