DetailsViewRowCollection.CopyTo(DetailsViewRow[], Int32) Yöntem
Tanım
Önemli
Bazı bilgiler ürünün ön sürümüyle ilgilidir ve sürüm öncesinde önemli değişiklikler yapılmış olabilir. Burada verilen bilgilerle ilgili olarak Microsoft açık veya zımni hiçbir garanti vermez.
içindeki belirtilen Array dizinden başlayarak bu DetailsViewRowCollection nesnedeki tüm öğeleri belirtilen nesneye Arraykopyalar.
public:
void CopyTo(cli::array <System::Web::UI::WebControls::DetailsViewRow ^> ^ array, int index);public void CopyTo (System.Web.UI.WebControls.DetailsViewRow[] array, int index);member this.CopyTo : System.Web.UI.WebControls.DetailsViewRow[] * int -> unitPublic Sub CopyTo (array As DetailsViewRow(), index As Integer)Parametreler
- array
- DetailsViewRow[]
öğesinden kopyalanan öğeleri alan sıfır tabanlı Array bir DetailsViewRowCollection.
Örnekler
Aşağıdaki kod örneği, bir nesnedeki CopyTo öğeleri bir DetailsViewRowCollection diziye kopyalamak için yönteminin nasıl kullanılacağını gösterir. Dizi daha sonra yinelenir ve her satırın değeri sayfada görüntülenir.
<%@ 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 SubmitButton_Click(Object sender, EventArgs e)
{
// Use the Count property to determine whether the
// Rows collection contains any item.
if (ItemDetailsView.Rows.Count > 0)
{
MessageLabel.Text = "The row values are: <br/><br/>";
// Copy the items in the Rows collection to an array.
DetailsViewRow[] rowArray = new DetailsViewRow[ItemDetailsView.Rows.Count];
ItemDetailsView.Rows.CopyTo(rowArray, 0);
// Iterate though the array and display the value in the
// first cell of the row.
foreach (DetailsViewRow row in rowArray)
{
// Use the Text property to access the value of
// each cell. In this example, the cells in the
// first column (index 0) contains the field names,
// while the cells in the second column (index 1)
// contains the field value.
MessageLabel.Text += row.Cells[0].Text + " = " +
row.Cells[1].Text + "<br/>";
}
}
else
{
MessageLabel.Text = "No items.";
}
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>DetailsViewRowCollection CopyTo Example</title>
</head>
<body>
<form id="form1" runat="server">
<h3>DetailsViewRowCollection CopyTo Example</h3>
<asp:detailsview id="ItemDetailsView"
datasourceid="DetailsViewSource"
allowpaging="true"
autogeneraterows="false"
runat="server">
<fields>
<asp:boundfield datafield="CustomerID"
headertext="Customer ID"/>
<asp:boundfield datafield="CompanyName"
headertext="Company Name"/>
<asp:boundfield datafield="Address"
headertext="Address"/>
<asp:boundfield datafield="City"
headertext="City"/>
<asp:boundfield datafield="PostalCode"
headertext="ZIP Code"/>
<asp:boundfield datafield="Country"
headertext="Country"/>
</fields>
</asp:detailsview>
<br/>
<asp:button id="SubmitButton"
text="Display Row Values"
onclick="SubmitButton_Click"
runat="server"/>
<br/><br/>
<asp:label id="MessageLabel"
forecolor="Red"
runat="server"/>
<!-- This example uses Microsoft SQL Server and connects -->
<!-- to the Northwind sample database. Use an ASP.NET -->
<!-- expression to retrieve the connection string value -->
<!-- from the web.config file. -->
<asp:sqldatasource id="DetailsViewSource"
selectcommand="Select [CustomerID], [CompanyName], [Address],
[City], [PostalCode], [Country] From [Customers]"
connectionstring=
"<%$ ConnectionStrings:NorthWindConnectionString%>"
runat="server"/>
</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 SubmitButton_Click(ByVal sender As Object, ByVal e As EventArgs)
' Use the Count property to determine whether the
' Rows collection contains any item.
If ItemDetailsView.Rows.Count > 0 Then
MessageLabel.Text = "The row values are: <br/><br/>"
' Copy the items in the Rows collection to an array.
Dim rowArray(ItemDetailsView.Rows.Count - 1) As DetailsViewRow
ItemDetailsView.Rows.CopyTo(rowArray, 0)
' Iterate though the array and display the value in the
' first cell of the row.
Dim row As DetailsViewRow
For Each row In rowArray
' Use the Text property to access the value of
' each cell. In this example, the cells in the
' first column (index 0) contains the field names,
' while the cells in the second column (index 1)
' contains the field value.
MessageLabel.Text &= row.Cells(0).Text & " = " & _
row.Cells(1).Text & "<br/>"
Next
Else
MessageLabel.Text = "No items."
End If
End Sub
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>DetailsViewRowCollection CopyTo Example</title>
</head>
<body>
<form id="form1" runat="server">
<h3>DetailsViewRowCollection CopyTo Example</h3>
<asp:detailsview id="ItemDetailsView"
datasourceid="DetailsViewSource"
allowpaging="true"
autogeneraterows="false"
runat="server">
<fields>
<asp:boundfield datafield="CustomerID"
headertext="Customer ID"/>
<asp:boundfield datafield="CompanyName"
headertext="Company Name"/>
<asp:boundfield datafield="Address"
headertext="Address"/>
<asp:boundfield datafield="City"
headertext="City"/>
<asp:boundfield datafield="PostalCode"
headertext="ZIP Code"/>
<asp:boundfield datafield="Country"
headertext="Country"/>
</fields>
</asp:detailsview>
<br/>
<asp:button id="SubmitButton"
text="Display Row Values"
onclick="SubmitButton_Click"
runat="server"/>
<br/><br/>
<asp:label id="MessageLabel"
forecolor="Red"
runat="server"/>
<!-- This example uses Microsoft SQL Server and connects -->
<!-- to the Northwind sample database. Use an ASP.NET -->
<!-- expression to retrieve the connection string value -->
<!-- from the web.config file. -->
<asp:sqldatasource id="DetailsViewSource"
selectcommand="Select [CustomerID], [CompanyName], [Address],
[City], [PostalCode], [Country] From [Customers]"
connectionstring=
"<%$ ConnectionStrings:NorthWindConnectionString%>"
runat="server"/>
</form>
</body>
</html>
Açıklamalar
Nesnedeki DetailsViewRowCollection öğeleri belirtilen dizinden başlayarak belirtilen diziye kopyalamak için bu yöntemi kullanın. Dizi daha sonra koleksiyondaki öğelere erişmek için kullanılabilir.
Not
parametresi için array sıfır tabanlı bir dizi kullanmanız gerekir.