FpSpread1.Sheets.Count = 3;
FpSpread1.Sheets[0].SelectionPolicy = FarPoint.Web.Spread.Model.SelectionPolicy.MultiRange;
FpSpread1.Sheets[1].SelectionPolicy = FarPoint.Web.Spread.Model.SelectionPolicy.Range;
FpSpread1.Sheets[2].SelectionPolicy = FarPoint.Web.Spread.Model.SelectionPolicy.Single;
FpSpread1.Sheets.Count = 3
FpSpread1.Sheets(0).SelectionPolicy = FarPoint.Web.Spread.Model.SelectionPolicy.MultiRange
FpSpread1.Sheets(1).SelectionPolicy = FarPoint.Web.Spread.Model.SelectionPolicy.Range
FpSpread1.Sheets(2).SelectionPolicy = FarPoint.Web.Spread.Model.SelectionPolicy.Single