Spread ASP.NET 6.0 Product Documentation
RemoveColumns Method
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FarPoint.Web.Spread Assembly > FarPoint.Web.Spread.Model Namespace > DefaultSheetDataModel Class : RemoveColumns Method


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

Glossary Item Box

Removes one or more columns starting with the column at the specified position.

Syntax

Visual Basic (Declaration) 
Public Sub RemoveColumns( _
   ByVal column As Integer, _
   ByVal count As Integer _
)
Visual Basic (Usage)Copy Code
Dim instance As DefaultSheetDataModel
Dim column As Integer
Dim count As Integer
 
instance.RemoveColumns(column, count)
C# 
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.
Visual BasicCopy Code
PrivateSubPage_Load(ByValsenderAsSystem.Object,ByValeAsSystem.EventArgs)HandlesMyBase.Load

If(Me.IsPostBack)ThenReturn

DimdmAsNewFarPoint.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")
EndSub

PrivateSubButton1_Click(ByValsenderAsObject,ByValeAsSystem.EventArgs)HandlesButton1.Click
DimdmAsFarPoint.Web.Spread.Model.DefaultSheetDataModel=FpSpread1.ActiveSheetView.DataModel
dm.RemoveColumns(0,2)
EndSub
C#Copy Code
privatevoidPage_Load(objectsender,System.EventArgse)
{
if(this.IsPostBack)return;

FarPoint.Web.Spread.Model.DefaultSheetDataModeldm=newFarPoint.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");
}

privatevoidButton1_Click(objectsender,System.EventArgse)
{
FarPoint.Web.Spread.Model.DefaultSheetDataModeldm=(FarPoint.Web.Spread.Model.DefaultSheetDataModel)FpSpread1.ActiveSheetView.DataModel;
dm.RemoveColumns(0,2);
}

Requirements

Target Platforms: Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family, Windows Vista, Windows Server 2008 family

See Also

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