how can add dropdpwn item list and textbox .

Hi Refer below link for dropdownlist :

http://www.codersource.net/asp-net/asp-net-articles/dropdownlist-in-asp-net.aspx[^]

And for textBox try this :

<asp:textbox id="TXTID" runat="server" text="<%# Bind(" fieldname")="" %&gt;"="" xmlns:asp="#unknown">

Here: FieldName is the name of the "database column" whose value u want to bind in Textbox.