title: How to get the sum of field 'discount' in crystal report
body: <p>I am doing a crystal report.. In which there is a field Discount I am not getting the sum of that field while right click->Summery->Sum. I am getting other field like OrderAmount... In crystal report all data  are coming.But not getting the sum for Discount.It is just showing the count of rows as Discount. Pls help...</p>