Dear All. I developed a POS system to sell goods in a supermarket using Visual studio C# and crystal report for receipt generation and reports. My problem is this, when i try to print daily sales, it prints all sales as it is in the database all i want is to sum up of a particular item sold together e.g if i sold 10 bottles of coke to different customers its showing it one by one by sales but i want it to sum it up to be 10 instead of listing it one by one as it is sold.
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