protected void creatCenterButton_Click(object sender, EventArgs e)
        {
            Center aCenter = new Center();

            aCenter.Name       = centerNameTextBox.Text;
            aCenter.DistrictId = Convert.ToInt32(districtDropDownList.SelectedValue);
            aCenter.ThanaId    = Convert.ToInt32(thanaDropDownList.SelectedValue);
            aCenter.CenterCode = aCenter.Name + centerManager.RandomCode();
            aCenter.Password   = centerManager.Encryptdata(centerManager.RandomPassword());

            int num = centerManager.CreateCenter(aCenter);

            if (num == 0)
            {
                Session["CENTER"] = aCenter;
                Response.Redirect("~/UI/Admin/MessageUI.aspx");
            }
            else if (num == 1)
            {
                messageLabel.Text = "Sorry this Tenter Name already exists in" + thanaDropDownList.SelectedValue;
            }
            else if (num == 2)
            {
                messageLabel.Text = "Sorry this center code already exists. Please try again";
                Server.TransferRequest(Request.Url.AbsolutePath, false);
                messageLabel.ForeColor = Color.Red;
            }
            else
            {
                messageLabel.Text      = "Sorry save failed";
                messageLabel.ForeColor = Color.Red;
            }
        }