//券类管理
private void btnCoupon_Click(object sender, EventArgs e)
{
var db = new BathDBDataContext(LogIn.connectionString);
string pro = ((Button)sender).Text;
if (!BathClass.getAuthority(db, LogIn.m_User, pro))
{
GeneralClass.printErrorMsg("权限不够，不能访问!");
return;
}
CouponManagement couponManagementForm = new CouponManagement();
couponManagementForm.ShowDialog();
}
