RemoveColumns Method (DefaultSheetDataModel)

Visual Basic
C#

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

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

public void RemoveColumns( 
   int column,
   int count
)

Parameters

column: Index of first column to remove
count: Number of columns to remove

Exception	Description
System.ArgumentOutOfRangeException	Specified column is out of range; must be between 0 and total number of columns
System.ArgumentOutOfRangeException	Specified number of columns is out of range; must be between 1 and total number of columns beyond the specified starting column

This example creates a new DefaultSheetDataModel, sets its number of rows and columns in the constructor and attaches it to the DataModel of the active sheet. Data is added to the first cell in the first three columns. In a button click event the RemoveColumns method removes the first two columns.

Visual Basic

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

C#

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);
}

Reference

DefaultSheetDataModel Class
DefaultSheetDataModel Members
AddColumn Method
RemoveColumn Method