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<%@ Page Language=VB Debug=true %>
<%@ Import Namespace="System.Data" %>
<script runat=server>
Sub Page_Load(ByVal Sender as Object, ByVal E as EventArgs)
If Not IsPostBack Then
Dim MyDT As New DataTable
Dim MyRow As DataRow
MyDT.Columns.Add(New DataColumn("DepartmentID", _
GetType(Int32)))
MyDT.Columns.Add(New DataColumn("DepartmentName", _
GetType(String)))
MyRow = MyDT.NewRow()
MyRow(0) = 1
MyRow(1) = "Marketing"
MyDT.Rows.Add(MyRow)
MyRow = MyDT.NewRow()
MyRow(0) = 2
MyRow(1) = "Sales"
MyDT.Rows.Add(MyRow)
MyRow = MyDT.NewRow()
MyRow(0) = 3
MyRow(1) = "Support"
MyDT.Rows.Add(MyRow)
MyRow = MyDT.NewRow()
MyRow(0) = 4
MyRow(1) = "Customer Service"
MyDT.Rows.Add(MyRow)
lb2.DataSource = MyDT
lb2.DataBind()
lb2.Items(3).Selected=True
End If
End Sub
Sub lb1_Clicked(sender As Object, e As EventArgs)
Dim i As Integer
lblMessage.Text = "Preferred office color(s):<BR>"
For i = 0 To lb1.Items.Count - 1
If lb1.Items(i).Selected Then
lblMessage.Text = lblMessage.Text _
& lb1.Items(i).Text & "<BR>"
End If
Next
End Sub
Sub lb2_Clicked(sender As Object, e As EventArgs)
lblMessage2.Text = "ID of Department you work in: " _
& lb2.SelectedItem.Value & "<BR>"
End Sub
</SCRIPT>
<HTML>
<HEAD>
<TITLE>ListBox Control Sample Page</TITLE>
</HEAD>
<BODY >
<form runat="server">
<Font Face="Tahoma">
<asp:Label
id="lblMessage"
runat="server"
Font-Bold="True"
Text="Preferred office color:"
/>
<BR>
<asp:ListBox
id="lb1"
runat="server"
AutoPostBack="True"
OnSelectedIndexChanged="lb1_Clicked"
Rows=4
SelectionMode="Multiple"
>
<asp:ListItem>Blue</asp:ListItem>
<asp:ListItem>Red</asp:ListItem>
<asp:ListItem>Green</asp:ListItem>
<asp:ListItem Selected>Purple</asp:ListItem>
<asp:ListItem>Black</asp:ListItem>
<asp:ListItem>Gold</asp:ListItem>
</asp:ListBox>
<HR>
<asp:Label
id="lblMessage2"
runat="server"
Font-Bold="True"
Text="ID of Department you work in:<BR>"
/>
<BR>
<asp:ListBox
id="lb2"
runat="server"
AutoPostBack="True"
Rows=3
OnSelectedIndexChanged="lb2_Clicked"
DataTextField="DepartmentName"
DataValueField="DepartmentID"
BackColor="LightYellow"
ForeColor="DarkRed"
>
</asp:ListBox>
</Font>
</Form>
</BODY>
</HTML>
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