Wednesday, May 6, 2009

Operator '==' incompatible with operand types 'Int32' and 'Object'

The exception occurs because anytime a ControlParameter in the WhereParameters collection (IDictionary) is null, it gets treated as type Object causing the LINQ dynamic expression parser comparison to fail.

Solution : SET LINQDataSource the property DefaultValue="0"

TableName="Documents" Where="DocumentSpecialtyID == @DocumentSpecialtyID">



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