BaseDataList.Controls Properti
Definisi
Penting
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ControlCollection Mendapatkan objek yang berisi kumpulan kontrol anak dalam kontrol daftar data.
public:
virtual property System::Web::UI::ControlCollection ^ Controls { System::Web::UI::ControlCollection ^ get(); };public override System.Web.UI.ControlCollection Controls { get; }member this.Controls : System.Web.UI.ControlCollectionPublic Overrides ReadOnly Property Controls As ControlCollectionNilai Properti
ControlCollection Yang berisi kumpulan kontrol anak dalam kontrol daftar data.
Contoh
Contoh kode berikut menunjukkan cara menambahkan kontrol secara terprogram ke Controls koleksi.
<%@ Page Language="C#" AutoEventWireup="True" %>
<%@ Import Namespace="System.Data" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<script runat="server">
ICollection CreateDataSource()
{
// Create sample data for the DataGrid control.
DataTable dt = new DataTable();
DataRow dr;
// Define columns for the data source.
dt.Columns.Add(new DataColumn("IntegerValue", typeof(Int32)));
dt.Columns.Add(new DataColumn("StringValue", typeof(string)));
dt.Columns.Add(new DataColumn("CurrencyValue", typeof(double)));
// Populate data source with sample values.
for (int i = 0; i < 9; i++)
{
dr = dt.NewRow();
dr[0] = i;
dr[1] = "Item " + i.ToString();
dr[2] = 1.23 * (i + 1);
dt.Rows.Add(dr);
}
DataView dv = new DataView(dt);
return dv;
}
void Page_Load(Object sender, EventArgs e)
{
// Bind data to the DataGrid control only when the page first loads.
if (!IsPostBack)
{
ItemsGrid.DataSource= CreateDataSource();
ItemsGrid.DataBind();
}
// Create a Label control to display the total number of items
// displayed in the DataGrid.
Label myLabel = new Label();
myLabel.Text = "<br /><br /><b>Total Number of Items: " + ItemsGrid.Items.Count.ToString() + "</b>";
myLabel.ID = "SummaryLabel";
// Add the Label control to the Controls collection of the DataGrid.
ItemsGrid.Controls.Add(myLabel);
}
</script>
<head runat="server">
<title>BaseDataList Controls Example</title>
</head>
<body>
<form id="form1" runat="server">
<h3>BaseDataList Controls Example</h3>
<b>Product List</b>
<asp:DataGrid id="ItemsGrid"
BorderColor="black"
BorderWidth="1"
CellPadding="3"
AutoGenerateColumns="True"
runat="server">
<HeaderStyle BackColor="#00aaaa">
</HeaderStyle>
</asp:DataGrid>
</form>
</body>
</html>
<%@ Page Language="VB" AutoEventWireup="True" %>
<%@ Import Namespace="System.Data" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<script runat="server">
Function CreateDataSource() As ICollection
' Create sample data for the DataGrid control.
Dim dt As DataTable = New DataTable()
Dim dr As DataRow
' Define the columns of the table.
dt.Columns.Add(New DataColumn("IntegerValue", GetType(Int32)))
dt.Columns.Add(New DataColumn("StringValue", GetType(string)))
dt.Columns.Add(New DataColumn("CurrencyValue", GetType(double)))
' Populate the table with sample values.
Dim i As Integer
For i = 0 to 8
dr = dt.NewRow()
dr(0) = i
dr(1) = "Item " & i.ToString()
dr(2) = 1.23 * (i + 1)
dt.Rows.Add(dr)
Next i
Dim dv As DataView = New DataView(dt)
Return dv
End Function
Sub Page_Load(sender As Object, e As EventArgs)
' Load sample data only once when the page is first loaded.
If Not IsPostBack Then
ItemsGrid.DataSource = CreateDataSource()
ItemsGrid.DataBind()
End If
' Create a Label control to display the total number of items
' displayed in the DataGrid.
Dim myLabel As Label = New Label()
myLabel.Text = "<br /><br /><b>Total Number of Items: " & ItemsGrid.Items.Count.ToString() & "</b>"
myLabel.ID = "SummaryLabel"
' Add the Label control to the Controls collection of the DataGrid.
ItemsGrid.Controls.Add(myLabel)
End Sub
</script>
<head runat="server">
<title>BaseDataList Controls Example</title>
</head>
<body>
<form id="form1" runat="server">
<h3>BaseDataList Controls Example</h3>
<b>Product List</b>
<asp:DataGrid id="ItemsGrid"
BorderColor="black"
BorderWidth="1"
CellPadding="3"
AutoGenerateColumns="True"
runat="server">
<HeaderStyle BackColor="#00aaaa">
</HeaderStyle>
</asp:DataGrid>
</form>
</body>
</html>
Keterangan
Controls Gunakan koleksi untuk mengelola kontrol anak yang terkandung dalam kontrol daftar data. Anda dapat menambahkan kontrol, menghapus kontrol, atau melakukan iterasi melalui kontrol server dalam koleksi.
