Spread ASP.NET 6.0 Product Documentation
Clear(Int32,Int32,Int32,Int32) Method
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FarPoint.Web.Spread Assembly > FarPoint.Web.Spread.Model Namespace > DefaultSheetSpanModel Class > Clear Method : Clear(Int32,Int32,Int32,Int32) Method


row
Row index from which to start clearing cell spans
column
Column index from which to start clearing cell spans
rowCount
Number of rows to clear
columnCount
Number of columns to clear

Glossary Item Box

Removes cell spans from the collection within the specified area.

Syntax

Visual Basic (Declaration) 
Public Overloads Overridable Sub Clear( _
   ByVal row As Integer, _
   ByVal column As Integer, _
   ByVal rowCount As Integer, _
   ByVal columnCount As Integer _
)
Visual Basic (Usage)Copy Code
Dim instance As DefaultSheetSpanModel
Dim row As Integer
Dim column As Integer
Dim rowCount As Integer
Dim columnCount As Integer
 
instance.Clear(row, column, rowCount, columnCount)
C# 
public virtual void Clear( 
   int row,
   int column,
   int rowCount,
   int columnCount
)

Parameters

row
Row index from which to start clearing cell spans
column
Column index from which to start clearing cell spans
rowCount
Number of rows to clear
columnCount
Number of columns to clear

Example

This example adds a span to the ColumnHeaderSpanModel of the active sheet and returns the values of its methods to a list box. In the click event of a button, the span is cleared.
C#Copy Code
PrivatevoidPage_Load(objectsender,System.EventArgse)
{
If(this.IsPostBack)Return;

boolb1;
FarPoint.Web.Spread.Model.CellRangerange;
FpSpread1.ActiveSheetView.ColumnCount=10;
FpSpread1.ActiveSheetView.RowCount=10;
FpSpread1.ActiveSheetView.ColumnHeader.RowCount=3;
FarPoint.Web.Spread.Model.ISheetSpanModelmodel=FpSpread1.ActiveSheetView.ColumnHeaderSpanModel;
model.Add(0,0,3,3);
range=model.Find(2,2);
b1=model.IsEmpty();
ListBox1.Items.Add(range.ToString());
ListBox1.Items.Add(Convert.ToString(model.GetEnumerator(0,0,3,3)));
ListBox1.Items.Add(Convert.ToString(b1));
}

PrivatevoidButton1_Click(objectsender,System.EventArgse)
{
FarPoint.Web.Spread.Model.DefaultSheetSpanModelmodel=(FarPoint.Web.Spread.Model.DefaultSheetSpanModel)FpSpread1.ActiveSheetView.ColumnHeaderSpanModel;
model.Clear(0,0,3,3);
}
Visual BasicCopy Code
PrivateSubPage_Load(ByValsenderAsSystem.Object,ByValeAsSystem.EventArgs)HandlesMyBase.Load

If(IsPostBack)ThenReturn

DimrangeAsFarPoint.Web.Spread.Model.CellRange
Dimb1AsBoolean
FpSpread1.ActiveSheetView.ColumnCount=10
FpSpread1.ActiveSheetView.RowCount=10
FpSpread1.ActiveSheetView.ColumnHeader.RowCount=3
DimmodelAsFarPoint.Web.Spread.Model.ISheetSpanModel=FpSpread1.ActiveSheetView.ColumnHeaderSpanModel
model.Add(0,0,3,3)
range=model.Find(2,2)
b1=model.IsEmpty()
ListBox1.Items.Add(range.ToString)
ListBox1.Items.Add(Convert.ToString(model.GetEnumerator(0,0,3,3)))
ListBox1.Items.Add(b1)
EndSub

PrivateSubButton1_Click(ByValsenderAsSystem.Object,ByValeAsSystem.EventArgs)HandlesButton1.Click
DimmodelAsFarPoint.Web.Spread.Model.DefaultSheetSpanModel=FpSpread1.ActiveSheetView.ColumnHeaderSpanModel
model.Clear(0,0,3,3)
EndSub

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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