private void btnOK_Click(object sender, EventArgs e) { if (txtCard.Text.Trim() == "") { epMessage.SetError(txtCard, "请刷入卡号或姓名!"); return; } if (txtPwd.Text.Trim() == "") { epMessage.SetError(txtPwd, "请输入密码!"); return; } if (isVip) { vipInfo.VipNumber = txtCard.Text.Trim(); vipInfo.VipPWD = txtPwd.Text.Trim(); vipInfo = vipBLL.VipCheck(vipInfo); if (vipInfo.VipId == 0) { MessageBox.Show("租车密码与卡号不相符!"); } else { isTrue = true; vipId = vipInfo.VipId; this.Close(); } } else { vipNoInfo.VipNumber = txtCard.Text.Trim(); vipNoInfo.VipPwd = txtPwd.Text.Trim(); vipNoInfo = vipNoBLL.VipNoCheck(vipNoInfo); if (vipNoInfo.VipId == 0) { MessageBox.Show("租车密码与卡号不相符!"); } else { isTrue = true; vipId = vipNoInfo.VipId; this.Close(); } } }