HtmlTableCellCollection.Clear HtmlTableCellCollection.Clear HtmlTableCellCollection.Clear HtmlTableCellCollection.Clear Method

Definizione

Rimuove tutti gli oggetti HtmlTableCell dall'insieme HtmlTableCellCollection.Removes all HtmlTableCell objects from the HtmlTableCellCollection collection.

public:
 void Clear();
public void Clear ();
member this.Clear : unit -> unit
Public Sub Clear ()

Esempi

Esempio di codice seguente viene illustrato come utilizzare il Clear metodo per rimuovere tutti gli elementi dal HtmlTableCellCollection raccolta.The following code example demonstrates how to use the Clear method to remove all items from the HtmlTableCellCollection collection. Le nuove voci vengono quindi aggiunti alla raccolta e visualizzate nel HtmlTable controllo.New entries are then added to the collection and displayed in 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)
  {

    // Clear the cells from the first row and remove the 
    // row from the table.
    Table1.Rows[0].Cells.Clear();
    Table1.Rows.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 Row 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)
 
    ' Clear the cells from the first row and remove the 
    ' row from the table.
    Table1.Rows(0).Cells.Clear()
    Table1.Rows.RemoveAt(0)

  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 Row from Table"
             onserverclick="Button_Click" 
             runat="server"/>

   </form>

</body>
</html>

Commenti

Usare questo metodo per rimuovere tutti i HtmlTableCell oggetti dal HtmlTableCellCollection insieme e reimposta il Count proprietà 0.Use this method to remove all HtmlTableCell objects from the HtmlTableCellCollection collection and reset the Count property to 0.

Nota

Questo metodo rimuove le celle da una riga, ma non rimuove la riga dalla tabella.This method removes the cells from a row, but it does not remove the row from the table. Per rimuovere una riga dalla tabella, accertarsi di rimuovere anche i HtmlTableRow oggetto che rappresenta la riga dal Rows insieme del HtmlTable controllo.To remove a row from the table, be sure to also remove the HtmlTableRow object that represents the row from the Rows collection of the HtmlTable control.

Si applica a

Vedi anche