📄 listboxselectedmultiple.aspx

📁 asp.net技术内幕的书配源码

💻 ASPX

字号:

<%@ Page Language="C#"%>

<script Runat="Server">

void Button_Click( object s, EventArgs e )
{
   string  strList = String.Empty;

  foreach (ListItem itmProduct in lstProducts.Items)
  {
    if ( itmProduct.Selected )
    {
      strList += "<li>" + itmProduct.Text;
      lblList.Text = strList;
    } 
  }
  
} 

</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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