HtmlTableCellCollection.Insert(Int32, HtmlTableCell) Metodo

Riferimento

Definizione

Spazio dei nomi:: System.Web.UI.HtmlControls

Assembly:: System.Web.dll

Importante

Alcune informazioni sono relative alla release non definitiva del prodotto, che potrebbe subire modifiche significative prima della release definitiva. Microsoft non riconosce alcuna garanzia, espressa o implicita, in merito alle informazioni qui fornite.

Aggiunge l'oggetto HtmlTableCell specificato in corrispondenza del percorso di indice dell'insieme HtmlTableCellCollection.

public:
 void Insert(int index, System::Web::UI::HtmlControls::HtmlTableCell ^ cell);

public void Insert (int index, System.Web.UI.HtmlControls.HtmlTableCell cell);

member this.Insert : int * System.Web.UI.HtmlControls.HtmlTableCell -> unit

Public Sub Insert (index As Integer, cell As HtmlTableCell)

Parametri

index: Int32

Posizione in HtmlTableCellCollection in cui aggiungere l'oggetto HtmlTableCell.

cell: HtmlTableCell

Oggetto HtmlTableCell da aggiungere a HtmlTableCellCollection.

Esempio

Nell'esempio di codice seguente viene illustrato come usare il Insert metodo per inserire dinamicamente una cella di una tabella rappresentata da un HtmlTableCell oggetto in un HtmlTableCellCollection insieme.

<%@ 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 Page_Load(Object sender, EventArgs e)
  {

    // Get the number of rows and columns selected by the user.
    int numrows = Convert.ToInt32(Select1.Value);
    int numcells = Convert.ToInt32(Select2.Value);

    // Iterate through the rows.
    for (int j = 0; j < numrows; j++)
    {

      // Create a new row and add it to the Rows collection.
      HtmlTableRow row = new HtmlTableRow();

      // Provide a different background color for alternating rows.
      if (j % 2 == 1)
        row.BgColor = "Gray";

      // Iterate through the cells of a row.
      for (int i = 0; i < numcells; i++)
      {
        // Create a new cell and add it to the Cells collection.
        HtmlTableCell cell = new HtmlTableCell();
        cell.Controls.Add(new LiteralControl("row " +
                          j.ToString() +
                          ", cell " +
                          i.ToString()));
        row.Cells.Insert(i, cell);
      }
      Table1.Rows.Insert(j, row);
    }
  }

</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; padding:5"
             cellspacing="0"
             runat="server" />
        
      <hr />

      Select the number of rows and columns to create: <br /><br />

      Table rows:
      <select id="Select1" 
              runat="server">

         <option value="1">1</option>
         <option value="2">2</option>
         <option value="3">3</option>
         <option value="4">4</option>
         <option value="5">5</option>

      </select>

        

      Table cells:
      <select id="Select2" 
              runat="server">

         <option value="1">1</option>
         <option value="2">2</option>
         <option value="3">3</option>
         <option value="4">4</option>
         <option value="5">5</option>

      </select>
       
      <br /><br />
  
      <input type="submit" 
             value="Generate Table" 
             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 Page_Load(ByVal sender As Object, ByVal e As EventArgs)

    Dim i As Integer
    Dim j As Integer
    Dim row As HtmlTableRow
    Dim cell As HtmlTableCell

    ' Get the number of rows and columns selected by the user.
    Dim numrows As Integer = CInt(Select1.Value)
    Dim numcells As Integer = CInt(Select2.Value)

    ' Iterate through the rows.
    For j = 0 To numrows - 1

      ' Create a new row and add it to the Rows collection.
      row = New HtmlTableRow()

      ' Provide a different background color for alternating rows.
      If (j Mod 2) = 1 Then
        row.BgColor = "Gray"
      End If

      ' Iterate through the cells of a row.
      For i = 0 To numcells - 1
           
        ' Create a new cell and add it to the Cells collection.
        cell = New HtmlTableCell()
        cell.Controls.Add(New LiteralControl("row " & _
                          j.ToString() & _
                          ", cell " & _
                          i.ToString()))
        row.Cells.Insert(i, cell)
            
      Next i

      Table1.Rows.Insert(j, row)
         
    Next j
      
  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; padding:5"
             cellspacing="0"
             runat="server" />
        
      <hr />

      Select the number of rows and columns to create: <br /><br />

      Table rows:
      <select id="Select1" 
              runat="server">

         <option value="1">1</option>
         <option value="2">2</option>
         <option value="3">3</option>
         <option value="4">4</option>
         <option value="5">5</option>

      </select>

        

      Table cells:
      <select id="Select2" 
              runat="server">

         <option value="1">1</option>
         <option value="2">2</option>
         <option value="3">3</option>
         <option value="4">4</option>
         <option value="5">5</option>

      </select>
       
      <br /><br />
  
      <input type="submit" 
             value="Generate Table" 
             runat="server"/>

   </form>

</body>
</html>

Commenti

Utilizzare il Insert metodo per aggiungere l'oggetto specificato a un HtmlTableCellCollection insieme in corrispondenza dell'indice specificatoHtmlTableCell. Se si vuole semplicemente aggiungere un HtmlTableCell oggetto alla fine dell'insieme, usare il Add metodo .

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