Spread for ASP.NET 9.0 Product Documentation
RemoveColumns Method (DefaultSheetDataModel)
Example 


Index of first column to remove
Number of columns to remove
Removes one or more columns starting with the column at the specified position.
Syntax
'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
Exceptions
ExceptionDescription
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
Example
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.
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);
}
Requirements

Target Platforms: Windows 7, Windows 8, Windows 10, Windows Vista, Windows Server 2003, Windows Server 2008, Windows Server 2012, Windows XP Professional

See Also

Reference

DefaultSheetDataModel Class
DefaultSheetDataModel Members
AddColumn Method
RemoveColumn Method

 

 


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