TableCellCollection.CopyTo(Array, Int32) Methode
Definitie
Belangrijk
Bepaalde informatie heeft betrekking op een voorlopige productversie die aanzienlijk kan worden gewijzigd voordat deze wordt uitgebracht. Microsoft biedt geen enkele expliciete of impliciete garanties met betrekking tot de informatie die hier wordt verstrekt.
Kopieert de items van de TableCellCollection naar de opgegeven Array, beginnend met de opgegeven index in de 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 -> unitPublic Sub CopyTo (array As Array, index As Integer)Parameters
- array
- Array
Een op nul gebaseerde Array die de gekopieerde items van de TableCellCollection.
Implementeringen
Voorbeelden
In het volgende voorbeeld ziet u hoe u de CopyTo methode gebruikt om de items uit de TableCellCollection opgegeven matrix te kopiëren.
<%@ 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 /> <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 /> <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>
Opmerkingen
Gebruik deze methode om de inhoud van de TableCellCollection inhoud te kopiëren naar de opgegeven System.Array vanaf de opgegeven index.
Note
De array parameter moet een op nul gebaseerde System.Arrayparameter zijn.
