1) Set debug=false under compilation as follows:
2) Use Server.Transfer instead of Response.Redirect.
3) Always check Page.IsValid when using Validator Controls
4) Use Foreach loop instead of For loop for String Iteration.
5) Use Client-Side Validation. (but not all the time you have to validate even on the server side)
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http://www.codeproject.com/Tips/49971/While-developing-any-web-site-one-should-keep-some.aspx
