📄 checkboxlistautopostback.aspx

📁 asp.net技术内幕的书配源码

💻 ASPX

字号:

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

<script Runat="Server">

void chklFavoriteFoods_SelectedIndexChanged( object s, EventArgs e )
{
  string strList = String.Empty;
  foreach (ListItem itmFood in chklFavoriteFoods.Items)
    if ( itmFood.Selected )
      strList += "<li>" + itmFood.Text;

  lblFoodList.Text = strList;
}	

</Script>

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

<form Runat="Server">

<asp:CheckBoxList
  ID="chklFavoriteFoods"
  AutoPostBack="True"
  OnSelectedIndexChanged="chklFavoriteFoods_SelectedIndexChanged"
  Runat="Server">
  <asp:ListItem Text="Pizza" />
  <asp:ListItem Text="Hamburgers" Selected="true"/>
  <asp:ListItem Text="Pasta"/>
</asp:CheckBoxList>

<hr>

You like to eat:
<asp:Label
  ID="lblFoodList"
  Runat="Server" />

</form>

</body>
</html>

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