How to pass Varchar datatype value to Storedprocedure in ssis

Hi All ,

   I have created a package which is internally calling stored procedure.My stored procedure has two input parameters(@Startdate varchar(10),@Enddate varchar(10)),but while i am trying to pass these values to the stored procedure through ssis package(I have declared two variables in package and datatype is String ,Value is 01-03-2011 and 31-03-2011 ) i am getting following error:

[Customer_Extraction_Data [1]] Error: A rowset based on the SQL command was not returned by the OLE DB provider.

can anyone help on this?

Thanks in advance,

Visu