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List Controls: List Box and Drop Downlist




ASP.Net provides the controls: drop-down list, list box, radio button list, check box list and bulleted list. These control let a user choose from one or more items from the list.
List boxes and drop-down list contain one or more list items. These lists could be loaded either by code or by the ListItem Collection Editor.
Basic syntax for list box control:
<asp:ListBox ID="ListBox1" 
      runat="server" 
      AutoPostBack="True" 
      OnSelectedIndexChanged="ListBox1_SelectedIndexChanged">
</asp:ListBox>
Basic syntax for a drop-down list control:
<asp:DropDownList ID="DropDownList1" 
     runat="server" 
     AutoPostBack="True" 
     OnSelectedIndexChanged="DropDownList1_SelectedIndexChanged">
</asp:DropDownList>

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