TableRowCollection からすべての TableRow コントロールを削除します。
名前空間: System.Web.UI.WebControls
アセンブリ: System.Web (system.web.dll 内)
構文
'宣言
Public Sub Clear
'使用
Dim instance As TableRowCollection
instance.Clear
public void Clear ()
public:
virtual void Clear () sealed
public final void Clear ()
public final function Clear ()
適用できません。
解説
このメソッドを使用して、TableRowCollection からすべての TableRow オブジェクトを削除し、Count プロパティに 0 を設定します。
使用例
Clear メソッドを使用して、テーブルの TableRowCollection からすべての TableRow オブジェクトを削除し、新しい TableRow オブジェクトに置き換える方法の例を次に示します。
<%@ 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>
<%@ 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>
プラットフォーム
Windows 98,Windows Server 2000 SP4,Windows CE,Windows Millennium Edition,Windows Mobile for Pocket PC,Windows Mobile for Smartphone,Windows Server 2003,Windows XP Media Center Edition,Windows XP Professional x64 Edition,Windows XP SP2,Windows XP Starter Edition
Microsoft .NET Framework 3.0 は Windows Vista,Microsoft Windows XP SP2,および Windows Server 2003 SP1 でサポートされています。
バージョン情報
.NET Framework
サポート対象 : 3.0,2.0,1.1,1.0
参照
関連項目
TableRowCollection クラス
TableRowCollection メンバ
System.Web.UI.WebControls 名前空間
TableRow
Count