HtmlTableCellCollection.CopyTo(Array, Int32) 方法

定义

将集合中的 HtmlTableCellCollection 项复制到指定 Array项,从指定 Array索引开始。

public:
 virtual void CopyTo(Array ^ array, int index);
public void CopyTo(Array array, int index);
abstract member CopyTo : Array * int -> unit
override this.CopyTo : Array * int -> unit
Public Sub CopyTo (array As Array, index As Integer)

参数

array
Array

从零 Array 开始接收从中复制的 HtmlTableCellCollection项。

index
Int32

指定 Array 接收项的第一个索引。

实现

示例

下面的代码示例演示如何使用 CopyTo 该方法创建包含与集合相同的内容的 HtmlTableCellCollection 数组。 然后循环访问数组以显示集合的内容 HtmlTableCellCollection

<%@ 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)
  {

    HtmlTableCell[] myCellArray = new HtmlTableCell[2];

    // Copy the collection to an array.
    Table1.Rows[0].Cells.CopyTo(myCellArray, 0);

    Span1.InnerText = "The copied items from the selected row are: ";

    // Iterate through the array and display its contents.
    foreach (HtmlTableCell cell in myCellArray)
    {

      Span1.InnerText = Span1.InnerText + " " + cell.InnerText;

    }

  }

</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="Display the contents of the first row"
             onserverclick="Button_Click" 
             runat="server"/>

      <br /><br />

      <span id="Span1"
            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 myCellArray(1) As HtmlTableCell
    Dim cell As HtmlTableCell
 
    ' Copy the collection to an array.
    Table1.Rows(0).Cells.CopyTo(myCellArray, 0)
 
    Span1.InnerText = "The copied items from the selected row are: "

    ' Iterate through the array and display its contents.
    For Each cell In myCellArray
         
      Span1.InnerText = Span1.InnerText & " " & cell.InnerText
 
    Next cell

  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="Display the contents of the first row"
             onserverclick="Button_Click" 
             runat="server"/>

      <br /><br />

      <span id="Span1"
            runat="server"/>

   </form>

</body>
</html>

注解

使用此方法可将集合的内容 HtmlTableCellCollection 复制到指定的集合中,从数组的指定 System.Array索引处开始。

注释

参数 array 必须是从 System.Array零开始的 。

适用于

另请参阅