Spread for ASP.NET 7.0 Product Documentation
LoadOnDemandMode Property
See Also  Example Support Options
FarPoint.Web.Spread Assembly > FarPoint.Web.Spread Namespace > SheetView Class : LoadOnDemandMode Property


Glossary Item Box

Gets or sets the LoadOnDemandMode property. In Standard mode, spread loads the next set of rows, if after scrolling, there are no bottom rows (in the view) that are hidden. In Background mode, spread loads the next set of rows after a period of time or after the user scrolls to the row at the LoadOffsetFromBottom position.

Syntax

Visual Basic (Declaration) 
Public Property LoadOnDemandMode As LoadOnDemandMode
Visual Basic (Usage)Copy Code
Dim instance As SheetView
Dim value As LoadOnDemandMode
 
instance.LoadOnDemandMode = value
 
value = instance.LoadOnDemandMode
C# 
public LoadOnDemandMode LoadOnDemandMode {get; set;}

Example

This example sets the LoadOnDemandMode property.
C#Copy Code
protected void Page_Load(object sender, System.EventArgs e)
{
FpSpread1.ActiveSheetView.RowCount = 100;
FpSpread1.ActiveSheetView.PageSize = 200;
FpSpread1.ActiveSheetView.AllowPage = false;

FpSpread1.AllowLoadOnDemand = true;
FpSpread1.LoadInitRowCount = 50;
FpSpread1.LoadRowIncrement = 15;
FpSpread1.Sheets[0].LoadOnDemandMode = FarPoint.Web.Spread.LoadOnDemandMode.Background;
FpSpread1.Sheets[0].LoadOnDemandTriggerMode = FarPoint.Web.Spread.LoadOnDemandTriggerMode.Timed;
FpSpread1.Sheets[0].LoadOnDemandInterval = 1000; // after every second, perform load on demand 
FpSpread1.Sheets[0].LoadOffsetFromBottom = 20; // this setting is meaningless in Timed trigger mode 
}
VB.NETCopy Code
Private Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
FpSpread1.ActiveSheetView.RowCount = 100
FpSpread1.ActiveSheetView.PageSize = 200
FpSpread1.ActiveSheetView.AllowPage = False

FpSpread1.AllowLoadOnDemand = True
FpSpread1.LoadInitRowCount = 50
FpSpread1.LoadRowIncrement = 15
FpSpread1.Sheets(0).LoadOnDemandMode = FarPoint.Web.Spread.LoadOnDemandMode.Background
FpSpread1.Sheets(0).LoadOnDemandTriggerMode = FarPoint.Web.Spread.LoadOnDemandTriggerMode.Timed
FpSpread1.Sheets(0).LoadOnDemandInterval = 1000 ' after every second, perform load on demand 
FpSpread1.Sheets(0).LoadOffsetFromBottom = 20 ' this setting is meaningless in Timed trigger mode 
End Sub

Requirements

Target Platforms: Windows 7, Windows 8, Windows Vista, Windows Server 2000, Windows 2000 Professional, Windows XP Professional, Windows NT 4.0 Workstation, SP6, Windows NT 4.0 Server, SP6

See Also

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