public string Attend(int ActivityID)
{
try
{
if (Session["UserName"].ToString() != "")
{
int level = usermanager.GetUserLevel(Session["UserName"].ToString());
Users user = usermanager.GetUserByName(Session["UserName"].ToString());
Activity act = activitymanager.GetActivity(ActivityID);
bool UserAttend = attendancemanager.IsAttendActivity(user.UserID, ActivityID);
if (user != null && !UserAttend && level >= act.LevelRequest)
{
Attendance attendance = new Attendance();
attendance.ActivityID = ActivityID;
attendance.UserID = user.UserID;
attendance.AttendanceTime = DateTime.Now;
attendancemanager.InsertAttendance(attendance);
return("报名成功");
}
else if (UserAttend)
{
return("您已报过名啦，去上传作品吧~");
}
else
{
return("对不起，您不满足参赛条件！");
}
}
else
{
return("请先登录！");
}
}
catch (Exception ex)
{
return("抱歉，系统出错！错误信息：" + ex.Message + "请稍后再试..");
}
}