Must declare the scalar variable "@rollno".

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Posted 9-Mar-12 0:28am

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Prasad_Kulkarni 9-Mar-12 6:33am

From error i guess you din't declared variable rollno,
post some code so we come to know exact problem

LaxmikantYadav 9-Mar-12 6:45am

Share the affected code.

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E.F. Nijboer · Answer 1 · 2012-03-09T00:35:00

Probably sql server instead of asp.net?

DECLARE @ROLLNO INT

Good luck!

Posted 9-Mar-12 0:35am

LaxmikantYadav · Answer 2 · 2012-03-09T00:45:00

If you are calling sp from your code then you might missing to add parameter to sp

For e.g

SqlParameter param = new SqlParameter("@rollno",System.Data.SqlDbType.VarBinary, param .Length);
cmd.Parameters.Add(param);

Posted 9-Mar-12 0:45am