Create a summary item and set its ASPxSummaryItemBase.SummaryType property to SummaryItemType.Custom.Implement Custom Summaryįollow the steps below to implement a custom summary: For example, custom summaries can calculate summaries against records that meet specific criteria and use multiple data fields in calculations. The ASPxGridBase.CustomSummar圜alculate event allows you to implement a custom summary. Total summaries and group summaries include five predefined aggregate functions that allow you to calculate:
