string[] decimalControl = "kcsl".Split(',');----定义汇总字段

this.ReportProperty.IsGroupSummary = true;---开启汇总功能

public override List<Kingdee.BOS.Core.Report.SummaryField> GetSummaryColumnInfo(IRptParams filter)----传递参数，对过滤界面选择的分组字段相应的字段求和

{

List<Kingdee.BOS.Core.Report.SummaryField> list = new List<Kingdee.BOS.Core.Report.SummaryField>();

string[] sumField = decimalControl;

for (int i = 0; i < sumField.Count(); i++)

{

list.Add(new Kingdee.BOS.Core.Report.SummaryField(sumField[i], Kingdee.BOS.Core.Enums.BOSEnums.Enu_SummaryType.SUM));

}

return list;

}