TableCellCollection.CopyTo-Methode
Kopiert die Elemente aus TableCellCollection in das angegebene System.Array, wobei am angegebenen Index in System.Array begonnen wird.
Namespace: System.Web.UI.WebControls
Assembly: System.Web (in system.web.dll)
Syntax
'Declaration
Public Sub CopyTo ( _
array As Array, _
index As Integer _
)
'Usage
Dim instance As TableCellCollection
Dim array As Array
Dim index As Integer
instance.CopyTo(array, index)
public void CopyTo (
Array array,
int index
)
public:
virtual void CopyTo (
Array^ array,
int index
) sealed
public final void CopyTo (
Array array,
int index
)
public final function CopyTo (
array : Array,
index : int
)
Parameter
- array
Ein nullbasiertes System.Array, in das die Elemente aus TableCellCollection kopiert werden.
- index
Der erste Index im angegebenen System.Array, an dem die Elemente abgelegt werden.
Hinweise
Mit dieser Methode kopieren Sie den Inhalt von TableCellCollection in das angegebene System.Array, wobei am angegebenen Index begonnen wird.
Hinweis
Der array-Parameter muss ein nullbasiertes System.Array sein.
Beispiel
Das folgende Beispiel veranschaulicht, wie mit der CopyTo-Methode die Elemente aus TableCellCollection in das angegebene Array kopiert werden können.
<%@ Page Language="VB" AutoEventWireup="True" %>
<html>
<head>
<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 j As Integer
For j = 0 To numrows - 1
Dim r As New TableRow()
Dim i As Integer
For i = 0 To numcells - 1
Dim c As New TableCell()
c.Text = counter.ToString()
r.Cells.Add(c)
counter += 1
Next i
Table1.Rows.Add(r)
Next j
If Not IsPostBack Then
' Create a DropDownList for the number of rows.
Dim k As Integer
For k = 0 To numrows - 1
a_row.Add(k.ToString())
Next k
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 cell As TableCell
For Each cell In myCellArray
Label1.Text = Label1.Text & " " & cell.Text
Next cell
End Sub
</script>
</head>
<body>
<h3>TableCellCollection Example</h3>
<form runat=server>
<asp:Table id="Table1"
GridLines="Both"
HorizontalAlign="Center"
Font-Name="Verdana"
Font-Size="8pt"
CellPadding=15
CellSpacing=0
runat="server"/>
<br><br>
<center>
Select a row:
<br><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"/>
</center>
</form>
</body>
</html>
<%@ Page Language="C#" AutoEventWireup="True" %>
<html>
<head>
<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 j=0; j<numrows; j++)
{
TableRow r = new TableRow();
for (int i=0; i<numcells; i++)
{
TableCell c = new TableCell();
c.Text=counter.ToString();
r.Cells.Add(c);
counter++;
}
Table1.Rows.Add(r);
}
if (!IsPostBack)
{
// Create a DropDownList for the number of rows.
for (int k=0; k<numrows; k++)
{
a_row.Add(k.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 cell in myCellArray)
{
Label1.Text = Label1.Text + " " + cell.Text;
}
}
</script>
</head>
<body>
<h3>TableCellCollection Example</h3>
<form runat=server>
<asp:Table id="Table1"
GridLines="Both"
HorizontalAlign="Center"
Font-Name="Verdana"
Font-Size="8pt"
CellPadding=15
CellSpacing=0
runat="server"/>
<br><br>
<center>
Select a row:
<br><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"/>
</center>
</form>
</body>
</html>
Plattformen
Windows 98, Windows 2000 SP4, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
.NET Framework unterstützt nicht alle Versionen sämtlicher Plattformen. Eine Liste der unterstützten Versionen finden Sie unter Systemanforderungen.
Versionsinformationen
.NET Framework
Unterstützt in: 2.0, 1.1, 1.0
Siehe auch
Referenz
TableCellCollection-Klasse
TableCellCollection-Member
System.Web.UI.WebControls-Namespace
System.Array