GridColumnSummaryItemCollection.Add Method

Name	Parameters	Description
Add()	none	Adds a new empty item to the collection.
Add(SummaryItemType, String, String, IFormatProvider)	summaryType, fieldName, displayFormat, formatProvider	Adds a new summary item to the current summary collection and initializes its summary type, field name, display format and format provider.
Add(SummaryItemType, String, String)	summaryType, fieldName, displayFormat	Adds a new summary item to the current summary collection and initializes its summary type, field name and display format.
Add(SummaryItemType, String)	summaryType, fieldName	Adds a new summary item to the current summary collection and initializes its summary type and field name.
Add(SummaryItemType)	summaryType	Adds a new summary item to the current summary collection and initializes its summary type.