/// <summary>
/// 是否此实验已经预约过。
/// </summary>
/// <param name="student"></param>
/// <param name="package"></param>
/// <returns></returns>
protected bool IsBooked(StudentInfo student, CoursePackage package)
{
PackageBookInfo info = LabDB.PackageBookInfo.FirstOrDefault(d => d.StudentInfo == student && d.PackageArrange.CoursePackage == package);
if (info != null)
{
return(true);
}
else
{
return(false);
}
}
public void ProcessRequest(HttpContext context)
{
context.Response.ContentType = "text/plain";
StudentInfo student = LabDB.StudentInfo.SingleOrDefault(d => d.Account == (Account)context.Session["sid"]);
PackageBookInfo bookInfo = LabDB.PackageBookInfo.SingleOrDefault(d => d.PackageArrangeId.ToString() == context.Request.QueryString["arrangeId"]);
LabDB.PackageBookInfo.DeleteOnSubmit(bookInfo);
try
{
LabDB.SubmitChanges();
context.Response.Write("1");
}
catch {
context.Response.Write("0");
}
}
public void ProcessRequest(HttpContext context)
{
Account user = (Account)context.Session["sid"];
Student = LabDB.StudentInfo.SingleOrDefault(d => d.AccountId == user.Id);
PackageBookInfo bookInfo = new PackageBookInfo
{
StudentInfo = Student,
PackageArrangeId = Convert.ToInt32(context.Request.QueryString["arrangeid"].Trim()),
BookTime = DateTime.Now,
UserAgent = context.Request.UserAgent.ToString(),
};
context.Response.ContentType = "text/plain";
try
{
if (LabDB.PackageBookInfo.FirstOrDefault(d => d.PackageArrangeId == bookInfo.PackageArrangeId && d.StudentId == bookInfo.StudentId) != null)
{
throw (new Exception("已经预约！不能再次预约！"));
}
LabDB.PackageBookInfo.InsertOnSubmit(bookInfo);
LabDB.SubmitChanges();
context.Response.Write("1");
}
catch (Exception ex)
{
context.Response.Write("预约失败！请联系管理员！");
}
}