private void LoadData()
        {
            RegisterAppLayer  ObjAppLayer = new RegisterAppLayer();
            List <RegDetails> listUser    = ObjAppLayer.GetPersonDetails();

            if (listUser.Count > 0)
            {
                UserGridView.Rows.Clear();
                DataGridViewRow row;
                int             i = 0;
                foreach (var RegDetails in listUser)
                {
                    row = new DataGridViewRow();
                    UserGridView.Rows.Add();
                    row = UserGridView.Rows[i];
                    row.Cells["ColFirstName"].Value = RegDetails.FirstName;
                    row.Cells["ColLastName"].Value  = RegDetails.LastName;
                    row.Cells["ColEmail"].Value     = RegDetails.Email;
                    row.Cells["ColMobile"].Value    = RegDetails.Mobile;
                    row.Cells["ColUserName"].Value  = RegDetails.UserName;
                    i++;
                }

                UserGridView.ClearSelection();
            }
        }