HtmlTableCellCollection.RemoveAt(Int32) 方法

定义

移除 HtmlTableCell 集合中指定索引处的 HtmlTableCellCollection 对象。

public:
 void RemoveAt(int index);
public void RemoveAt (int index);
member this.RemoveAt : int -> unit
Public Sub RemoveAt (index As Integer)

参数

index
Int32

要从 HtmlTableCell 中移除的 HtmlTableCellCollection 的索引。

例外

指定的索引超出集合中索引值的范围。

示例

下面的代码示例演示如何使用 RemoveAt 该方法从集合中删除指定索引处的 HtmlTableCellCollection 项。 本示例从控件的第一列中 HtmlTable 删除单元格。

<%@ 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++)
    {

      // Remove the cells from the first column.
      Table1.Rows[i].Cells.RemoveAt(0);

    }

  }

</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="Remove First Column from Table"
             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

    ' Iterate through the rows of the table.
    For i = 0 To Table1.Rows.Count - 1
 
      ' Remove the cells from the first column.
      Table1.Rows(i).Cells.RemoveAt(0)

    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="Remove First Column from Table"
             onserverclick="Button_Click" 
             runat="server"/>

   </form>

</body>
</html>

注解

使用此方法从集合中删除 HtmlTableCell 指定索引 HtmlTableCellCollection 处的对象。 索引号从零开始;因此,集合中的第一项的 0索引值为 .

备注

如果指定索引值范围之外的索引,则会引发异常。

适用于

另请参阅