HtmlTableCellCollection.RemoveAt(Int32) 方法

定义

移除 HtmlTableCell 集合中指定索引处的 HtmlTableCellCollection 对象。Removes the HtmlTableCell object at the specified index from the HtmlTableCellCollection collection.

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。The index of the HtmlTableCell to remove from the HtmlTableCellCollection.

异常

指定的索引超出集合中索引值的范围。The specified index is outside the range of index values in the collection.

示例

下面的代码示例演示如何使用RemoveAt方法HtmlTableCellCollection从集合中移除位于指定索引处的项。The following code example demonstrates how to use the RemoveAt method to remove the item at the specified index from the HtmlTableCellCollection collection. 此示例从HtmlTable控件的第一列中删除单元格。This example removes the cells from the first column of the HtmlTable control.

<%@ 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HtmlTableCellCollection从集合中HtmlTableCell的指定索引处移除对象。Use this method to remove the HtmlTableCell object at the specified index from an HtmlTableCellCollection collection. 索引号从零开始;因此, 该集合中的第一项的索引值为0The index number is zero-based; therefore, the first item in the collection has an index value of 0.

备注

如果指定的索引超出了索引值范围, 则会引发异常。If you specify an index that is outside the range of index values, an exception is raised.

适用于

另请参阅