Summary operations enable you to view rows of data from a group or the entire report as a single value. This function is useful when you want to comprehend the data in a report or group. You can use the Summary operations to perform such tasks as counting the values in a group, calculating the sum or average of values, and finding the minimum or maximum value in a group.
In this topic, you want to modify the Room Capacity report that displays the capacity for each classroom on the campus. The report should be modified to display the total capacity for each building. You decide to use the Summary feature of Crystal Reports to display this detail in the report.
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