protected void Page_Load(object sender, EventArgs e)
{
try
{
using (LabBookDBDataContext LabDB = new LabBookDBDataContext())
{
CourseBookInfo courseBookInfo = LabDB.CourseBookInfo.SingleOrDefault(d => d.CourseArrangeId.ToString() == Request.QueryString["arrangeId"].Trim() && d.StudentId == Request.QueryString["studentId"].Trim());
LabDB.CourseBookInfo.DeleteOnSubmit(courseBookInfo);
LabDB.SubmitChanges();
}
}
catch { }
//Response.Redirect("IndividualCenter.aspx");
Response.Write("<script type=\"text/javascript\">alert(\"取消成功\");</script>");
Response.Write(" <script> window.location.href= 'OrderState.aspx ' </script> ");
}
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);
}
}
