Auto Post back property not working with tab container

Question

I am applying globalization on my hotel management system web portal and I am stuck with an issue.My issue is that I have a drop down list of two languages English and Spanish a

Answer 1

here i found answer after two days of my searching. the answer is very simple :)

i set the value of my language to UICulture

protected override void InitializeCulture()
        {
            if (Request.Form["ctl00$contentplaceholder1$language_drp"] != null)
            {

                UICulture = Request.Form["ctl00$contentplaceholder1$language_drp"];
            }
            if (Request.QueryString["HotelID"] != null)
            {

                this.UICulture = "es";
            }
            base.InitializeCulture();
        }

and its working fine :)