id="ddlProducts"
DataSourceID="srcProducts"
DataTextField="Title"
DataValueField="Id"
Runat="server" />
id="btnSelect"
Text="Select"
Runat="server" />
id="dtlProduct"
DataSourceID="srcProductDetails"
Runat="server" />
id="srcProducts"
SelectCommand="SELECT Id,Title FROM Products"
ConnectionString="<%$ ConnectionStrings:Products %>"
Runat="server" />
id="srcProductDetails"
SelectCommand="SELECT * FROM Products
WHERE Id=@Id"
ConnectionString="<%$ ConnectionStrings:Products %>"
Runat="server">
PropertyName="SelectedValue" />