[php]
'cn is a connection
dim cm as new sqlcommand("select * from sampletable where id =" & combobox1.selecteditem,cn)
dim dr as Sqldatareader = cm.ExecuteReader
while dr.read
textbox1.text = dr(1)<---it gets the 2nd column of the table
'and so on and soforth..
end while
dr.close()