private void btOK_Click(object sender, EventArgs e) { if (tbUserName.Text != "" && tbUserPwd.Text != "") { CtbUserInformationBLL Cuser = new CtbUserInformationBLL(); if (Cuser.Exists(tbUserName.Text, tbUserPwd.Text, cbUserSort.Text)) { MessageBox.Show("用户登录成功!"); CtbUserInformation cUser = new CtbUserInformation(); cUser = Cuser.GetModel(tbUserName.Text); Session.UserName = cUser.userName; Session.UserPwd = cUser.userPwd; Session.UserAllName = cUser.userAllName; Session.UserPurview = cUser.userPurview; Session.UserRole = cUser.userSort; this.Close(); } else { MessageBox.Show("不存在此用户或用户名密码错!"); } } }