Can not add a list in document object using iTextSharp - asp.net-mvc

Question

public ActionResult PartTimeFacultyCourseLoadReport()
{
var teacherStatistics = (from t in db.Teachers
join c in db.Courses
on t.Id equals c.TeacherId into cGroup
where t.Status == "Part Time"
orderby t.Designation descending
select new
{
TeacherInfo = t,
CourseInfo = from cg in cGroup
orderby cg.Code ascending
select cg
}).ToList();
List<TeacherStatistics> teacherStatisticses = new List<TeacherStatistics>();
int count = 0;
foreach (var teacherStatistic in teacherStatistics)
{
TeacherStatistics aTeacherStatistics = new TeacherStatistics();
aTeacherStatistics.Name = teacherStatistic.TeacherInfo.Name;
aTeacherStatistics.Designation = teacherStatistic.TeacherInfo.Designation;
aTeacherStatistics.NumberOfCourse = teacherStatistic.TeacherInfo.NumberOfCourse;
count = 0;
foreach (var courseInfo in teacherStatistic.CourseInfo)
{
if (count != 0)
{
aTeacherStatistics.Courses += ", ";
}
aTeacherStatistics.Courses += courseInfo.Code;
aTeacherStatistics.Courses += "(";
aTeacherStatistics.Courses += courseInfo.Section;
aTeacherStatistics.Courses += ")";
count++;
}
teacherStatisticses.Add(aTeacherStatistics);
}
var document = new Document(PageSize.A4, 50, 50, 25, 25);
var output = new MemoryStream();
var writer = PdfWriter.GetInstance(document, output);
document.Open();
var data = teacherStatisticses.ToList();
document.Add(data);
Response.ContentType = "application/pdf";
Response.AddHeader("content-disposition", "attachment; filename=PartTimeFaculty.pdf");
Response.BinaryWrite(output.ToArray());
document.Close();
return View(teacherStatisticses);
}
I want to pass a list named 'teacherStatisticses' through document object for making a PDF. My code doesn't work. It showed me following Error -
Argument 1: cannot convert from 'System.Collections.Generic.List' to 'iTextSharp.text.IElement'

Answer 1

I assume that you are using some version of itextpdf for the PDF generation.
The error is in the line:
document.Add(data);
There is no way to add plain .NET objects into the PDF document. I can not predict the structure of PDF which you`d like to achieve, but the code mentioned above could be written as:
foreach(var teacher in teacherStatistics)
{
var paragraph = new Paragraph(teacher.ToString()); // instead of teacher.ToString() should be some code which translates teacherStatistics projection to the string representation
document.Add(paragraph);
}
//not tested
A lot of useful samples could be found at
http://developers.itextpdf.com/examples
Basic tutorial for the itextpdf:
http://developers.itextpdf.com/content/itext-7-jump-start-tutorial/chapter-1-introducing-basic-building-blocks