📄 listboxselectedmultiple.aspx

📁 asp.net技术内幕的书配源码

💻 ASPX

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<Script Runat="Server">

Sub Button_Click( s As Object, e As EventArgs )
  Dim itmProduct As ListItem
  Dim strList As String

  For each itmProduct in lstProducts.Items
    If itmProduct.Selected Then
      strList &= "<li>" & itmProduct.Text
    End If
  Next
  lblList.Text = strList
End Sub

</Script>

<html>
<head><title>ListBoxSelectedMultiple.aspx</title></head>
<body>

<form Runat="Server">

<asp:ListBox
  ID="lstProducts"
  SelectionMode="Multiple"
  Runat="Server">
  <asp:ListItem Text="Hair Dryer" />
  <asp:ListItem Text="Shaving Cream" Selected="True"/>
  <asp:ListItem Text="Electric Comb"/>
</asp:ListBox>

<asp:Button
  Text="Pick Multiple Products!"
  OnClick="Button_Click"
  Runat="Server" />

<hr>

Selected Item(s):
<asp:Label
  ID="lblList"
  Runat="Server" />

</form>

</body>
</html>

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