public User getContactDetails(int u)
 {
     User user = new User();
     cmd = new SqlCommand("select name,eContact,address,medicalId from Users WHERE userId=@userId", con);
     cmd.Parameters.AddWithValue("@userId", u);
     con.Open();
     SqlDataReader dr = cmd.ExecuteReader();
     while (dr.Read())
     {
         user.eContact= dr["eContact"].ToString();
         user.address = dr["address"].ToString();
         user.name =dr["name"].ToString();
         user.medicalId= dr["medicalId"].ToString();
     }
     dr.Close();
     con.Close();
     return user;
 }
        protected void Page_Load(object sender, EventArgs e)
        {
            Page.DataBind();
            if (!IsPostBack)
            {
                userId = (int)Session["userId"];
                user = dc.getContactDetails(userId);
                eContactC = user.eContact;
                nameC = user.name;
                addressC = user.address;
                medicalIdC = user.medicalId;

                medical = dc.getMedicalDetails(userId);
                allergiesC = medical.allergies;
                bloodGroupC = medical.bloodGroup;
                specialConditionC = medical.specialCondition;

                hs = dc.getHospitalDetails();

            }
        }