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I am at wits end trying to make this work. How can I an an aggregate summing function to this expression?
GridViewExpressionColumn budVarCol = gridAdmssions.Columns ["BudVar"] as GridViewExpressionColumn;System.Linq.Expressions.Expression<Func<AdmissionsExportPM, int>> expression1 = admit => admit.CurrentYearAdmit.ADMITS - admit.BudgetYearAdmit.ADMITS;budVarCol.Expression = expression1;