Try it,
most of the time what we think that our code running successfully
but testing or validation whatever u say , u must check fully for this
for Ex: if in any entry Form u supply ur First Name as " "
n press Submit now check the great danger Error...... to Avoid this use the String Collection that is in System.collection Namespace Create n object of String Collection and supply ur parameters to created string collection object n now one more thing is that now u have to add one tag to web.config that is
now u r done , post some interesting new topics .... seee u soon...