Get a selected Dropdown list value in textbox in asp.net

Introduction:

Here simple method to show selected dropdown list value in textbox.

This process we can easily do coding on server side, but i some case without get any post back we can set the dropdown list value in textbox.

In that case by using JavaScript easily accomplish the process..

JavaScript:

<script type="text/javascript" >     function change(id) {         var txt;         txt = id.value;         document.getElementById("TextBox1").value = id.value;          } </script>

<asp:DropDownList ID="DropDownList1" runat="server" onchange ="change(this);">     <asp:ListItem >Item1</asp:ListItem>     <asp:ListItem>Item2</asp:ListItem>     </asp:DropDownList>     <div>         <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>     </div>

I hope you like