TableCellCollection.CopyTo(Array, Int32) Método

  • Referencia

Definición

Espacio de nombres:
System.Web.UI.WebControls
Ensamblado:
System.Web.dll

Copia los elementos de TableCellCollection en el objeto Array especificado, empezando por el índice especificado en Array.

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)

Parámetros

array
Array

Array de base cero que recibe los elementos copiados de TableCellCollection.

index
Int32

El primer índice de Array que recibe los elementos.

Implementaciones

CopyTo(Array, Int32)

Ejemplos

En el ejemplo siguiente se muestra cómo usar el CopyTo método para copiar los elementos de en TableCellCollection la matriz especificada.

<%@ Page Language="C#" %>

<!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) 
    {
        int numrows = 5;
        int numcells = 6;
        int counter = 1;
        ArrayList a_row = new ArrayList();

        // Create a table.
        for (int rowNum = 0; rowNum < numrows; rowNum++) 
        {          
            TableRow rw = new TableRow();
            for (int cellNum = 0; cellNum < numcells; cellNum++) 
            {
                TableCell cel = new TableCell();
                cel.Text=counter.ToString();
                rw.Cells.Add(cel);
                counter++;
            }
            Table1.Rows.Add(rw);
        }

        if (!IsPostBack) 
        {
            // Create a DropDownList for the number of rows.
            for (int rowNum = 0; rowNum < numrows; rowNum++) 
            {
                a_row.Add(rowNum.ToString());
            }

            List1.DataSource = a_row; 
            List1.DataBind();
        }
    }

    void Button_Click(object sender, EventArgs e) 
    {
        int row = List1.SelectedIndex;
        TableCell[] myCellArray = new TableCell[6];
 
        // Copy the collection to an array.
        Table1.Rows[row].Cells.CopyTo(myCellArray, 0);      
 
        Label1.Text = "The copied items from the selected row are: ";

        // Iterate through the array and display its contents.
        foreach (TableCell cel in myCellArray) 
        {
            Label1.Text = Label1.Text + " " + cel.Text;
        }
    }
 
</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>TableCellCollection Example</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>

    <h3>TableCellCollection Example</h3>
    <asp:Table id="Table1" 
        GridLines="Both" 
        HorizontalAlign="Center" 
        Font-Names="Verdana" 
        Font-Size="8pt" 
        CellPadding="15" 
        CellSpacing="0" 
        runat="server" />

        <p style="text-align:center">Select a row:
            <br />&nbsp;<br />
            Row: <asp:DropDownList id="List1" 
            runat="server" />
 
            <br /><br />
            <asp:Button id="Button1"
                Text="Copy Row to Array"
                OnClick="Button_Click"
                runat="server" />
            <br /><br />
            <asp:Label id="Label1"
                runat="server" />
       </p>
 
    </div>
    </form>
</body>
</html>

<%@ Page Language="VB" %>

<!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(sender As Object, e As EventArgs)
        Dim numrows As Integer = 5
        Dim numcells As Integer = 6
        Dim counter As Integer = 1
        Dim a_row As New ArrayList()
            
        ' Create a table.
        Dim rowNum As Integer
        For rowNum = 0 To numrows - 1
            Dim rw As New TableRow()
            Dim cellNum As Integer
            For cellNum = 0 To numcells - 1
                Dim cel As New TableCell()
                cel.Text = counter.ToString()
                rw.Cells.Add(cel)
                counter += 1
            Next
            Table1.Rows.Add(rw)
        Next

        If Not IsPostBack Then
            ' Create a DropDownList for the number of rows.
            For rowNum = 0 To numrows - 1
                a_row.Add(rowNum.ToString())
            Next

            List1.DataSource = a_row
            List1.DataBind()
        End If 
    End Sub

    Sub Button_Click(sender As Object, e As EventArgs)
        Dim row As Integer = List1.SelectedIndex
        Dim myCellArray(6) As TableCell

        ' Copy the collection to an array.
        Table1.Rows(row).Cells.CopyTo(myCellArray, 0)

        Label1.Text = "The copied items from the selected row are: "

        ' Iterate through the array and display its contents.
        Dim cel As TableCell
        For Each cel In  myCellArray
            Label1.Text = Label1.Text & " " & cel.Text
                
        Next
    End Sub
 
</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>TableCellCollection Example</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>

    <h3>TableCellCollection Example</h3>
    <asp:Table id="Table1" 
        GridLines="Both" 
        HorizontalAlign="Center" 
        Font-Names="Verdana" 
        Font-Size="8pt" 
        CellPadding="15" 
        CellSpacing="0" 
        runat="server" />

        <p style="text-align:center">Select a row:
            <br />&nbsp;<br />
            Row: <asp:DropDownList id="List1" 
            runat="server" />
 
            <br /><br />
            <asp:Button id="Button1"
                Text="Copy Row to Array"
                OnClick="Button_Click"
                runat="server" />
            <br /><br />
            <asp:Label id="Label1"
                runat="server" />
       </p>
 
    </div>
    </form>
</body>
</html>

Comentarios

Utilice este método para copiar el contenido de TableCellCollection en el objeto especificado System.Array a partir del índice especificado.

Nota

El array parámetro debe ser de base System.Arraycero.

Se aplica a

Consulte también