📄 checkboxlistvalueselected.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 strTextList, strValueList As String

  For each itmProduct in chklProducts.Items
  If itmProduct.Selected Then
    strTextList &= "<li>" & itmProduct.Text
    strValueList &= "<li>" & itmProduct.Value
  End If
  Next
  lblSelectedText.Text = strTextList
  lblSelectedValue.Text = strValueList
End Sub

</Script>

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

<form Runat="Server">

<asp:CheckBoxList
  id="chklProducts"
  Runat="Server">
  <asp:ListItem
    Text="Hair Dryer"
    Value="A8999" />
  <asp:ListItem
    Text="Shaving Cream"
    Value="S7777"
    Selected="True"/>
  <asp:ListItem
    Text="Electric Comb"
    Value="E23234" />
</asp:CheckBoxList>

<p>

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

<hr>

Selected Text:

<asp:Label
  id="lblSelectedText"
  Runat="Server" />

<p>
Selected Value:
<asp:Label
  ID="lblSelectedValue"
  Runat="Server" />

</form>

</body>
</html>

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