DropDown in DataList

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C#

ASP.NET

How i can use DropDown in DataList.

am using 2 droop down, on selected index change in 1st drop down it reflect in second drop drop down..

plz give me solution..

thanx..!


did like this

<asp:DataList ID="dlContacts" runat="server" RepeatLayout="Table" RepeatColumns="3"
CellPadding="2" CellSpacing="2">
<itemtemplate>

<asp:Literal ID="ChemicalName" runat="server" Text='<%# DataBinder.Eval(Container.DataItem, "ChemicalName") %>'>

<asp:Image ID="Image1" runat="server" Width="120px" Height="120px" ImageUrl='<%#Bind("Image","{0}") %>' />

Catalogue No: <asp:Literal ID="CatalogueNo" runat="server" Text='<%# DataBinder.Eval(Container.DataItem, "CatalogueNo") %>'> Cas No: <asp:Literal ID="CaseNo" runat="server" Text='<%# DataBinder.Eval(Container.DataItem, "CasNo") %>'>

<asp:DropDownList ID="ddlWht1" runat="server" Width="100px"> <asp:ListItem>Killogram <asp:ListItem>Gram <asp:ListItem>Milligram <asp:ListItem> <asp:DropDownList ID="DDrQuantity" runat="server" Width="100px"> <asp:DropDownList ID="DDrPrice" runat="server" Width="100px">