HtmlTableCellCollection.Count 屬性
定義
重要
部分資訊涉及發行前產品，在發行之前可能會有大幅修改。 Microsoft 對此處提供的資訊，不做任何明確或隱含的瑕疵擔保。
取得 HtmlTableCellCollection 集合中 HtmlTableCell 物件的數目。
public:
property int Count { int get(); };public int Count { get; }member this.Count : intPublic ReadOnly Property Count As Integer屬性值
HtmlTableCell 中 HtmlTableCellCollection 物件的數目。 預設值是 0。
實作
範例
下列程式碼範例示範如何使用 Count 屬性來判斷 控制項列中的 HtmlTable 儲存格數目。 此值接著會當做迴圈的上限使用，逐一查看表格中資料列的資料格。
<%@ Page Language="C#" AutoEventWireup="True" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
void Button_Click(Object sender, EventArgs e)
{
// Iterate through the rows of the table.
for (int i = 0; i <= Table1.Rows.Count - 1; i++)
{
// Iterate through the cells of a row.
for (int j = 0; j <= Table1.Rows[i].Cells.Count - 1; j++)
{
// Change the inner HTML of the cell.
Table1.Rows[i].Cells[j].InnerHtml = "Row " + i.ToString() +
", Column " + j.ToString();
}
}
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
<title>HtmlTableCellCollection Example</title>
</head>
<body>
<form id="form1" runat="server">
<h3>HtmlTableCellCollection Example</h3>
<table id="Table1"
style="border-width:1; border-color:Black"
runat="server">
<tr>
<td>
Cell 1
</td>
<td>
Cell 2
</td>
</tr>
<tr>
<td>
Cell 3
</td>
<td>
Cell 4
</td>
</tr>
</table>
<br /><br />
<input type="button"
value="Change Table Contents"
onserverclick="Button_Click"
runat="server"/>
</form>
</body>
</html>
<%@ Page Language="VB" AutoEventWireup="True" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
Sub Button_Click(ByVal sender As Object, ByVal e As EventArgs)
Dim i As Integer
Dim j As Integer
' Iterate through the rows of the table.
For i = 0 To Table1.Rows.Count - 1
' Iterate through the cells of a row.
For j = 0 To Table1.Rows(i).Cells.Count - 1
' Change the inner HTML of the cell.
Table1.Rows(i).Cells(j).InnerHtml = "Row " & i.ToString() & _
", Column " & j.ToString()
Next j
Next i
End Sub
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
<title>HtmlTableCellCollection Example</title>
</head>
<body>
<form id="form1" runat="server">
<h3>HtmlTableCellCollection Example</h3>
<table id="Table1"
style="border-width:1; border-color:Black"
runat="server">
<tr>
<td>
Cell 1
</td>
<td>
Cell 2
</td>
</tr>
<tr>
<td>
Cell 3
</td>
<td>
Cell 4
</td>
</tr>
</table>
<br /><br />
<input type="button"
value="Change Table Contents"
onserverclick="Button_Click"
runat="server"/>
</form>
</body>
</html>
備註
Count使用 屬性來判斷集合中包含的 HtmlTableCellCollection 儲存格數目。 在 Count 逐一查看集合以判斷上限時，通常會使用 屬性。
