protected void btnRegister_Click(object sender, EventArgs ev)
    {
        if (checkValidation())
        {

            System.Threading.Thread.Sleep(1500);

            using (ModelTutor obj = new ModelTutor())
            {

                string email = txtEmail.Text.Trim();

                var result = (from e in obj.tblStudents
                              where e.Email == email
                              select e).Count();

                if (result < 1)
                {

                    tblStudent newStudent = new tblStudent { Id = txtStudentId.Text.Trim(), Name = txtName.Text.Trim(), Address = txtAddress.Text.Trim(), Email = txtEmail.Text.Trim(), Password = txtPassword.Text.Trim(), Active = true };

                    try
                    {
                        obj.AddTotblStudents(newStudent);
                        obj.SaveChanges();
                        Response.Redirect("~/Sucess.aspx?m=Your account has been sucessfuly registered. Login to book tutor.");
                    }
                    catch (Exception)
                    {

                    }
                }
                else
                {
                    Label1.Text = "Email already exist";
                }
            }

        }
    }
 /// <summary>
 /// Deprecated Method for adding a new object to the tblStudents EntitySet. Consider using the .Add method of the associated ObjectSet&lt;T&gt; property instead.
 /// </summary>
 public void AddTotblStudents(tblStudent tblStudent)
 {
     base.AddObject("tblStudents", tblStudent);
 }
 /// <summary>
 /// Create a new tblStudent object.
 /// </summary>
 /// <param name="studentId">Initial value of the StudentId property.</param>
 /// <param name="id">Initial value of the Id property.</param>
 /// <param name="name">Initial value of the Name property.</param>
 /// <param name="email">Initial value of the Email property.</param>
 public static tblStudent CreatetblStudent(global::System.Int32 studentId, global::System.String id, global::System.String name, global::System.String email)
 {
     tblStudent tblStudent = new tblStudent();
     tblStudent.StudentId = studentId;
     tblStudent.Id = id;
     tblStudent.Name = name;
     tblStudent.Email = email;
     return tblStudent;
 }