public void ProcessRequest(HttpContext context)
{
try
{
using (LabBookDBDataContext LabDB = new LabBookDBDataContext())
{
string arrangeId = context.Request.QueryString["arrangeid"].Trim();
string studentId = context.Request.QueryString["studentid"].Trim();
//检查是否已经预约满。
if (LabDB.CourseBookInfo.Where(d => d.CourseArrangeId.ToString() == arrangeId).Count() >= LabDB.CourseArrange.FirstOrDefault(d => d.Id.ToString() == arrangeId).Capacity)
{
throw (new Exception("此实验已经预约满！"));
}
//检查是否已经预约过。
if (LabDB.CourseBookInfo.FirstOrDefault(d => d.CourseArrangeId.ToString() == arrangeId && d.StudentId == studentId) != null)
{
throw(new Exception("此实验你已经预约过！不能重复预约同一实验！"));
}
CourseBookInfo courseBookInfo = new CourseBookInfo
{
StudentId = context.Request.QueryString["studentid"],
CourseArrangeId = Convert.ToInt32(context.Request.QueryString["arrangeid"].Trim()),
BookTime=DateTime.Now,
UserAgent=context.Request.UserAgent.ToString(),
};
LabDB.CourseBookInfo.InsertOnSubmit(courseBookInfo);
LabDB.SubmitChanges();
}
context.Response.Write("1");
}
catch(Exception ex)
{
context.Response.Write(ex.Message);
}
}
partial void DeleteCourseBookInfo(CourseBookInfo instance);
partial void UpdateCourseBookInfo(CourseBookInfo instance);
partial void InsertCourseBookInfo(CourseBookInfo instance);
private void detach_CourseBookInfo(CourseBookInfo entity)
{
this.SendPropertyChanging();
entity.StudentInfo = null;
}
private void detach_CourseBookInfo(CourseBookInfo entity)
{
this.SendPropertyChanging();
entity.CourseArrange = null;
}
