Public ReadOnly Property ColumnIndex As Integer

Dim instance As FilterColumnDefinition
Dim value As Integer
 
value = instance.ColumnIndex

public int ColumnIndex {get;}

FarPoint.Web.Spread.NamedStyle instyle = new FarPoint.Web.Spread.NamedStyle();
FarPoint.Web.Spread.NamedStyle outstyle = new FarPoint.Web.Spread.NamedStyle();
instyle.BackColor = Color.Yellow;
outstyle.BackColor = Color.Aquamarine;
FarPoint.Web.Spread.FilterColumnDefinition fcd = new FarPoint.Web.Spread.FilterColumnDefinition(1, FarPoint.Web.Spread.FilterListBehavior.SortByMostOccurrences
| FarPoint.Web.Spread.FilterListBehavior.Default);
FarPoint.Web.Spread.FilterColumnDefinition fcd1 = new FarPoint.Web.Spread.FilterColumnDefinition(2);
FarPoint.Web.Spread.FilterColumnDefinition fcd2 = new FarPoint.Web.Spread.FilterColumnDefinition();

FarPoint.Web.Spread.StyleRowFilter sf = new FarPoint.Web.Spread.StyleRowFilter(FpSpread1.ActiveSheetView, instyle, outstyle);
sf.AddColumn(fcd);
sf.AddColumn(fcd1);
sf.AddColumn(fcd2);
FpSpread1.ActiveSheetView.RowFilter = sf;

FarPoint.Web.Spread.FilterItemCollection fi;
fi = fcd.Filters;

string msg = fi.Count.ToString();
Response.Write("alert('" + msg + "')");

Dim instyle As New FarPoint.Web.Spread.NamedStyle
Dim outstyle As New FarPoint.Web.Spread.NamedStyle
instyle.BackColor = Color.Yellow
outstyle.BackColor = Color.Aquamarine
Dim fcd As New FarPoint.Web.Spread.FilterColumnDefinition(1, FarPoint.Web.Spread.FilterListBehavior.SortByMostOccurrences
Or FarPoint.Web.Spread.FilterListBehavior.Default)
Dim fcd1 As New FarPoint.Web.Spread.FilterColumnDefinition(2)
Dim fcd2 As New FarPoint.Web.Spread.FilterColumnDefinition

Dim sf As New FarPoint.Web.Spread.StyleRowFilter(FpSpread1.ActiveSheetView, instyle, outstyle)
sf.AddColumn(fcd)
sf.AddColumn(fcd1)
sf.AddColumn(fcd2)
FpSpread1.ActiveSheetView.RowFilter = sf

Dim fi As FarPoint.Web.Spread.FilterItemCollection
fi = fcd.Filters

Dim msg As String = fi.Count.ToString()
Response.Write("alert('" & msg & "')")