TableRowCollection.Clear Method
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Removes all TableRow controls from the TableRowCollection.
public:
virtual void Clear();public void Clear();abstract member Clear : unit -> unit
override this.Clear : unit -> unitPublic Sub Clear ()The following example demonstrates how to use the Clear method to remove all TableRow objects from the TableRowCollection of the table and replace them with new TableRow objects.
<%@ Page Language="C#" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
int numrows = 5;
int numcells = 6;
int counter = 1;
void Page_Load(Object sender, EventArgs e)
{
// Create a table.
for (int rowNum = 0; rowNum < numrows; rowNum++)
{
TableRow rw = new TableRow();
for (int cellNum = 0; cellNum < numcells; cellNum++)
{
TableCell cel = new TableCell();
cel.Text = counter.ToString();
counter++;
rw.Cells.Add(cel);
}
Table1.Rows.Add(rw);
}
Table1.GridLines = GridLines.Both;
Table1.CellPadding = 4;
Table1.CellSpacing = 0;
}
void Button_Click(Object sender, EventArgs e)
{
// Clear the table.
Table1.Rows.Clear();
// Create new rows and cells.
for (int rowNum = 0; rowNum < numrows; rowNum++)
{
TableRow rw = new TableRow();
for (int cellNum = 0; cellNum < numcells; cellNum++)
{
TableCell cel = new TableCell();
cel.Text = "***";
rw.Cells.Add(cel);
}
Table1.Rows.Add(rw);
}
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="Head1" runat="server">
<title>Programmatic Table</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<h3>Programmatic Table Example</h3>
<asp:Table id="Table1" runat="server"/>
<asp:Button id="Button1"
Text="Replace All Rows With ***"
OnClick="Button_Click"
runat="server"/>
</div>
</form>
</body>
</html>
<%@ Page Language="VB" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
Dim numrows As Integer = 5
Dim numcells As Integer = 6
Dim counter As Integer = 1
Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)
' Create a table.
Dim rowNum As Integer
For rowNum = 0 To numrows - 1
Dim rw As New TableRow()
Dim cellNum As Integer
For cellNum = 0 To numcells - 1
Dim cel As New TableCell()
cel.Text = counter.ToString()
counter += 1
rw.Cells.Add(cel)
Next
Table1.Rows.Add(rw)
Table1.GridLines = GridLines.Both
Table1.CellPadding = 4
Table1.CellSpacing = 0
Next
End Sub
Sub Button_Click(ByVal sender As Object, ByVal e As EventArgs)
' Clear the table.
Table1.Rows.Clear()
' Create new rows and cells.
Dim rowNum As Integer
For rowNum = 0 To numrows - 1
Dim rw As New TableRow()
Dim cellNum As Integer
For cellNum = 0 To numcells - 1
Dim cel As New TableCell()
cel.Text = "***"
rw.Cells.Add(cel)
Next
Table1.Rows.Add(rw)
Next
End Sub
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="Head1" runat="server">
<title>Programmatic Table</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<h3>Programmatic Table Example</h3>
<asp:Table id="Table1" runat="server"/>
<asp:Button id="Button1"
Text="Replace All Rows With ***"
OnClick="Button_Click"
runat="server"/>
</div>
</form>
</body>
</html>
Use this method to remove all TableRow objects from the TableRowCollection and set the Count property to 0.
Applies to
| Product | Versions |
|---|---|
| .NET Framework | 1.1, 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1 |
