public List <String> InsertTblRegisteredStudents(DataTable StudentsData)
{
List <String> StudentList = new List <string>();
try
{
foreach (DataRow student in StudentsData.Rows)
{
String EmailID = student.ItemArray[3].ToString();
if (CheckStudentExists.CheckStudent(EmailID))
{
String CollegeName = student.ItemArray[5].ToString();
_eatDBContext.RegisteredStudents.Add(new RegisteredStudents
{
FirstName = student.ItemArray[0].ToString(),
LastName = student.ItemArray[1].ToString(),
ContactNumber = student.ItemArray[2].ToString(),
EmailID = student.ItemArray[3].ToString(),
StudentRollNumber = student.ItemArray[4].ToString(),
CollegeDetails = _eatDBContext.Master_CollegeDetails.Where(m => m.CollegeName.Equals(CollegeName)).FirstOrDefault(),
CreatedBy = 1,//Update with user sessionID
CreatedDate = DateTime.Now
});
}
StudentList.Add(EmailID);
}
_eatDBContext.SaveChanges();
return(StudentList);
}
catch (Exception ex)
{
Debug.Print(ex.Message);
return(null);
}
}
public List <String> InsertTblEventAttendees(List <String> StudentList, int EventID)
{
List <String> EmailList = new List <string>();
try
{
foreach (var EmailID in StudentList)
{
if (CheckStudentExists.CheckAttendee(EmailID, EventID))
{
EmailList.Add(EmailID);
_eatDBContext.EventAttendees.Add(
new EventAttendees
{
RegisteredStudents = _eatDBContext.RegisteredStudents.Where(m => m.EmailID == EmailID).FirstOrDefault(),
EventDetails = _eatDBContext.EventDetails.Where(m => m.ID == EventID).FirstOrDefault(),
QRString = "",
isPresent = false,
MailSent = false
});
}
}
_eatDBContext.SaveChanges();
return(EmailList);
}
catch (Exception ex)
{
return(null);
}
}
public Dictionary <string, string> InsertTblRegisteredStudents(DataTable studentsData)
{
var StudentList = new Dictionary <string, string>();
foreach (DataRow student in studentsData.Rows)
{
string EmailID = student.Field <string>("EmailID");
if (CheckStudentExists.CheckStudent(EmailID))
{
RegisteredStudents registeredStudents = null;
try
{
string collegeName = student.Field <string>("CollegeName");
registeredStudents = new RegisteredStudents
{
FirstName = student.Field <string>("FirstName"),
LastName = student.Field <string>("LastName"),
ContactNumber = student.Field <string>("ContactNumber"),
EmailID = student.Field <string>("EmailID"),
StudentRollNumber = student.Field <string>("StudentRollNo"),
CollegeDetails =
_eatDBContext.Master_CollegeDetails.Single(m => m.CollegeName.Equals(collegeName)),
CreatedBy = 1, //Update with user sessionID
CreatedDate = DateTime.Now
};
_eatDBContext.RegisteredStudents.Add(registeredStudents);
int temp = _eatDBContext.SaveChanges();
if (!StudentList.ContainsKey(EmailID))
{
StudentList.Add(EmailID, "Successfully Inserted Data");
}
}
catch (Exception)
{
if (!StudentList.ContainsKey(EmailID))
{
StudentList.Add(EmailID, "Invalid Data");
}
_eatDBContext.RegisteredStudents.Remove(registeredStudents);
}
}
else
{
if (!StudentList.ContainsKey(EmailID))
{
StudentList.Add(EmailID, "Duplicate Data");
}
}
}
return(StudentList);
}
