private void cboEmpID_SelectedIndexChanged(object sender, EventArgs e)
        {
            selectClass.getDetails(cboEmpID);

            txtEmpName.Text     = selectClass.fullName;
            txtDepartment.Text  = selectClass.deptart;
            txtcontact.Text     = selectClass.cont;
            txtDesignation.Text = selectClass.designate;
            txtUname.Text       = txtEmpName.Text.Trim();
        }