protected void GridViewTherapists_RowCommand(object sender, GridViewCommandEventArgs e)
        {
            if (e.CommandName.Equals("AddEmergencyTherapist"))
            {
                string patientNRIC = ViewState["GridViewAccountsSelectedNRIC"].ToString();

                try
                {
                    string therapistNRIC = e.CommandArgument.ToString();

                    accountBLL.AddEmergencyTherapist(patientNRIC, therapistNRIC);
                    string therapistTerm = TextboxSearchTherapist.Text.Trim().ToLower();
                    Bind_GridViewTherapists(patientNRIC, therapistTerm);
                    Bind_GridViewTherapists2(patientNRIC);
                    UpdatePanelPatient.Update();
                    ScriptManager.RegisterStartupScript(this, GetType(), "alert", "toastr['success']('Emergency Therapist, " + therapistNRIC + ", has been assigned to " + patientNRIC + ".');", true);
                }
                catch
                {
                    ScriptManager.RegisterStartupScript(this, GetType(), "alert", "toastr['error']('Error occured when assigning emergency Therapist to " + patientNRIC + ".');", true);
                }
            }
        }