Public Sub RemoveColumns( _
   ByVal column As Integer, _
   ByVal count As Integer _
) 

Dim instance As DefaultSheetDataModel
Dim column As Integer
Dim count As Integer
 
instance.RemoveColumns(column, count)

public void RemoveColumns( 
   int column,
   int count
)

Private Sub Page_Load(ByVal sender As System.Object,ByVal e As System.EventArgs)Handles MyBase.Load

If(Me.IsPostBack)Then Return

Dim dm As New FarPoint.Web.Spread.Model.DefaultSheetDataModel(8,8)
FpSpread1.ActiveSheetView.DataModel=dm
FpSpread1.ActiveSheetView.SetValue(0,0,"First")
FpSpread1.ActiveSheetView.SetValue(0,1,"Second")
FpSpread1.ActiveSheetView.SetValue(0,2,"Third")
End Sub

Private Sub Button1_Click(ByVal sender As Object,ByVal e As System.EventArgs)Handles Button1.Click
Dim dm As FarPoint.Web.Spread.Model.DefaultSheetDataModel=FpSpread1.ActiveSheetView.DataModel
dm.RemoveColumns(0,2)
End Sub

private void Page_Load(object sender,System.EventArgs e)
{
if(this.IsPostBack)return;

FarPoint.Web.Spread.Model.DefaultSheetDataModel dm=new FarPoint.Web.Spread.Model.DefaultSheetDataModel(8,8);
FpSpread1.ActiveSheetView.DataModel=dm;
FpSpread1.ActiveSheetView.SetValue(0,0,"First");
FpSpread1.ActiveSheetView.SetValue(0,1,"Second");
FpSpread1.ActiveSheetView.SetValue(0,2,"Third");
}

private void Button1_Click(object sender,System.EventArgs e)
{
FarPoint.Web.Spread.Model.DefaultSheetDataModel dm=(FarPoint.Web.Spread.Model.DefaultSheetDataModel)FpSpread1.ActiveSheetView.DataModel;
dm.RemoveColumns(0,2);
}