set autocomplete off Globally where calendar extender use

Question

<asp:TextBox ID="txtFromDate" runat="server" CssClass="textbox" AutoComplete="off"></asp:TextBox>

<cc1:CalendarExtender ID="calFromDate" CssClass="CalenderSizeWidth" TargetControlID="txtFromDate" Format="dd/MM/yyyy"

PopupButtonID="EventStartDate" runat="server">

</cc1:CalendarExtender>

 

I have too many pages to set auto complete off setting to do how can i set it gobally where only use calendar extender 

 

Provide single way to do