private void getEmployeeNotTookTrainBasedOnBranch()
    {
        clearGVandmsg();

        if (DropDNotAttTrainSpecBr.SelectedValue != "-1" && DropDNotAttBranchSpec.SelectedValue != "-1")
        {
            EmployeeManager manage = new EmployeeManager();

            DataTable result = manage.getEmployeeNotTookSpecTrainingSpecBranch(DropDNotAttTrainSpecBr.SelectedValue, DropDNotAttBranchSpec.SelectedValue);

            if (result != null && result.Rows.Count > 0)
            {
                TrainingReportGridView.DataSource = result;
                TrainingReportGridView.DataBind();
            }
        }
        else
        {
            ResultPanel.Visible = false;
        }
    }