public Boolean CreateLearningArea(ref LearningAreaBDO laBDO, ref string message)
{
message = "Learning Area Added Successfully";
bool ret = true;
LearningArea la = new LearningArea();
try {
ConvertLearningAreaBDOToLearningArea(laBDO, la);
using (var DCEnt = new DCFIEntities())
{
DCEnt.LearningAreas.Add(la);
DCEnt.Entry(la).State = System.Data.Entity.EntityState.Added;
int num = DCEnt.SaveChanges();
if (num == 0)
{
ret = false;
message = "Adding of Learning Area failed";
}
}
}
catch (DbEntityValidationException dbEx)
{
foreach (var validationErrors in dbEx.EntityValidationErrors)
{
foreach (var validationError in validationErrors.ValidationErrors)
{
Trace.TraceInformation("Property: {0} Error: {1}",
validationError.PropertyName,
validationError.ErrorMessage);
}
}
}
return ret;
}
public LearningAreaBDO GetLearningArea(string learningAreaCode)
{
LearningAreaBDO laBDO = null;
LearningArea l = new LearningArea();
try {
using (var DCEnt = new DCFIEntities())
{
var lA = (from learn in DCEnt.LearningAreas
where learn.LearningAreaCode == learningAreaCode
select learn).FirstOrDefault();
l = lA;
if (l != null)
{
laBDO = new LearningAreaBDO();
ConvertLearningAreaToLearningAreaBDO(l, laBDO);
}
}
}
catch (DbEntityValidationException dbEx)
{
foreach (var validationErrors in dbEx.EntityValidationErrors)
{
foreach (var validationError in validationErrors.ValidationErrors)
{
Trace.TraceInformation("Property: {0} Error: {1}",
validationError.PropertyName,
validationError.ErrorMessage);
}
}
}
return laBDO;
}
public LearningAreaBDO GetLearningArea(string learningAreaCode)
{
LearningAreaBDO laBDO = null;
LearningArea l = new LearningArea();
try {
using (var DCEnt = new DCFIEntities())
{
var lA = (from learn in DCEnt.LearningAreas
where learn.LearningAreaCode == learningAreaCode
select learn).FirstOrDefault();
l = lA;
}
if (l != null)
{
laBDO = new LearningAreaBDO();
laBDO.Academic = l.Academic;
}
}
catch (DbEntityValidationException dbEx)
{
foreach (var validationErrors in dbEx.EntityValidationErrors)
{
foreach (var validationError in validationErrors.ValidationErrors)
{
Trace.TraceInformation("Property: {0} Error: {1}",
validationError.PropertyName,
validationError.ErrorMessage);
}
}
}
return(laBDO);
}
public void ConvertLearningAreaToLearningAreaBDO(LearningArea la, LearningAreaBDO labdo)
{
// SubjectDAO sdao = new SubjectDAO();
labdo.Subjects = GetSubjectsforLearningArea(la.LearningAreaCode);
labdo.Academic = la.Academic;
labdo.Description = la.Description;
labdo.LearningAreaCode = la.LearningAreaCode;
labdo.Units = la.Units;
labdo.RatePerUnit = la.RatePerUnit;
}
public void ConvertLearningAreaBDOToLearningArea(LearningAreaBDO labdo, LearningArea la)
{
SubjectDAO sdao = new SubjectDAO();
la.Academic = labdo.Academic;
la.Description = labdo.Description;
la.LearningAreaCode = labdo.LearningAreaCode;
la.Units = labdo.Units;
la.RatePerUnit = labdo.RatePerUnit;
la.Subjects = sdao.ToSubjectList(labdo.Subjects);
}
public void ConvertLearningAreaToLearningAreaBDO(LearningArea la, LearningAreaBDO labdo)
{
// SubjectDAO sdao = new SubjectDAO();
labdo.Subjects = GetSubjectsforLearningArea(la.LearningAreaCode);
labdo.Academic = la.Academic;
labdo.Description = la.Description;
labdo.LearningAreaCode = la.LearningAreaCode;
labdo.Units = la.Units;
labdo.RatePerUnit = la.RatePerUnit;
}
public void ConvertLearningAreaBDOToLearningArea(LearningAreaBDO labdo, LearningArea la)
{
SubjectDAO sdao = new SubjectDAO();
la.Academic = labdo.Academic;
la.Description = labdo.Description;
la.LearningAreaCode = labdo.LearningAreaCode;
la.Units = labdo.Units;
la.RatePerUnit = labdo.RatePerUnit;
la.Subjects = sdao.ToSubjectList(labdo.Subjects);
}
private Boolean CompareLearningArea(LearningArea inDB, LearningArea inNew)
{
if (inDB.LearningAreaCode == inNew.LearningAreaCode && inDB.Description == inNew.Description && inDB.Academic == inNew.Academic && inDB.RatePerUnit == inNew.RatePerUnit && inDB.Units == inNew.Units)
{
return(true);
}
else
{
return(false);
}
}
public void ConvertLearningAreaToLearningAreaBDO(LearningArea la, LearningAreaBDO labdo)
{
// labdo.Subjects = GetSubjectsforLearningArea(la.LearningAreaCode);
labdo.Academic = la.Academic;
labdo.Description = la.Description;
labdo.LearningAreaCode = la.LearningAreaCode;
labdo.Units = la.Units;
labdo.RatePerUnit = la.RatePerUnit;
labdo.RatePerSubject = la.RatePerSubject;
foreach (Subject s in la.Subjects)
{
SubjectBDO sb = new SubjectBDO();
ConvertSubjectToSubjectBDO(s, sb);
sb.Academic = (bool)la.Academic;
labdo.Subjects.Add(sb);
}
}
public void ConvertLearningAreaToLearningAreaBDO(LearningArea la, LearningAreaBDO labdo)
{
// labdo.Subjects = GetSubjectsforLearningArea(la.LearningAreaCode);
labdo.Academic = la.Academic;
labdo.Description = la.Description;
labdo.LearningAreaCode = la.LearningAreaCode;
labdo.Units = la.Units;
labdo.RatePerUnit = la.RatePerUnit;
labdo.RatePerSubject = la.RatePerSubject;
foreach (Subject s in la.Subjects)
{
SubjectBDO sb = new SubjectBDO();
ConvertSubjectToSubjectBDO(s, sb);
sb.Academic =(bool) la.Academic;
labdo.Subjects.Add(sb);
}
}
public LearningAreaBDO GetLearningArea(string learningAreaCode)
{
LearningArea l = new LearningArea();
using (var DCEnt = new DCFIEntities())
{
var lA = (from learn in DCEnt.LearningAreas
where learn.LearningAreaCode == learningAreaCode
select learn).FirstOrDefault();
l = lA;
}
LearningAreaBDO laBDO = new LearningAreaBDO();
ConvertLearningAreaToLearningAreaBDO(l, laBDO);
return laBDO;
}
public LearningAreaBDO GetLearningArea(string learningAreaCode)
{
LearningArea l = new LearningArea();
using (var DCEnt = new DCFIEntities())
{
var lA = (from learn in DCEnt.LearningAreas
where learn.LearningAreaCode == learningAreaCode
select learn).FirstOrDefault();
l = lA;
}
LearningAreaBDO laBDO = new LearningAreaBDO();
ConvertLearningAreaToLearningAreaBDO(l, laBDO);
return(laBDO);
}
public Boolean CreateLearningArea(ref LearningAreaBDO laBDO, ref string message)
{
message = "Learning Area Added Successfully";
bool ret = true;
LearningArea la = new LearningArea();
ConvertLearningAreaBDOToLearningArea(laBDO, la);
using (var DCEnt = new DCFIEntities())
{
DCEnt.LearningAreas.Add(la);
DCEnt.Entry(la).State = System.Data.Entity.EntityState.Added;
int num = DCEnt.SaveChanges();
if (num == 0)
{
ret = false;
message = "Adding of Learning Area failed";
}
}
return ret;
}
public Boolean CreateLearningArea(ref LearningAreaBDO laBDO, ref string message)
{
message = "Learning Area Added Successfully";
bool ret = true;
LearningArea la = new LearningArea();
ConvertLearningAreaBDOToLearningArea(laBDO, la);
using (var DCEnt = new DCFIEntities())
{
DCEnt.LearningAreas.Add(la);
DCEnt.Entry(la).State = System.Data.Entity.EntityState.Added;
int num = DCEnt.SaveChanges();
if (num == 0)
{
ret = false;
message = "Adding of Learning Area failed";
}
}
return(ret);
}
public Boolean CreateLearningArea(ref LearningAreaBDO laBDO, ref string message)
{
message = "Learning Area Added Successfully";
bool ret = true;
LearningArea la = new LearningArea();
try {
ConvertLearningAreaBDOToLearningArea(laBDO, la);
using (var DCEnt = new DCFIEntities())
{
DCEnt.LearningAreas.Add(la);
DCEnt.Entry(la).State = System.Data.Entity.EntityState.Added;
int num = DCEnt.SaveChanges();
if (num == 0)
{
ret = false;
message = "Adding of Learning Area failed";
}
}
}
catch (DbEntityValidationException dbEx)
{
foreach (var validationErrors in dbEx.EntityValidationErrors)
{
foreach (var validationError in validationErrors.ValidationErrors)
{
Trace.TraceInformation("Property: {0} Error: {1}",
validationError.PropertyName,
validationError.ErrorMessage);
}
}
}
return(ret);
}
public Boolean UpdateLearningArea(ref LearningAreaBDO laBDO, ref string message)
{
Boolean ret = true;
LearningArea l = new LearningArea();
ConvertLearningAreaBDOToLearningArea(laBDO, l);
LearningArea laInDB = new LearningArea();
using (var DCEnt = new DCFIEntities())
{
var learningAreaCode = laBDO.LearningAreaCode;
laInDB = (from la in DCEnt.LearningAreas
where la.LearningAreaCode.Equals(learningAreaCode)
select la).FirstOrDefault();
if (laInDB == null)
{
throw new Exception("No Learning Area with Code " + laBDO.LearningAreaCode);
}
if (laInDB.Subjects.Count == 0)
{
foreach (Subject s in l.Subjects)
{
laInDB.Subjects.Add(s);
}
}
else if (laInDB.Subjects.Count < l.Subjects.Count)
{
//compare 2 lists check the non existing to the other
IEnumerable<Subject> sToAdd = l.Subjects.Except(laInDB.Subjects);
if (sToAdd != null)
{
foreach (Subject child in sToAdd)
{
laInDB.Subjects.Add(child);
}
}
IEnumerable<Subject> sToRemove = laInDB.Subjects.Except(l.Subjects);
if (sToRemove != null)
{
foreach (Subject child in sToRemove)
{
laInDB.Subjects.Add(child);
}
}
}
else if (laInDB.Subjects.Count > l.Subjects.Count)
{
//compare 2 lists check the non existing to the other
IEnumerable<Subject> sToAdd = l.Subjects.Except(laInDB.Subjects);
if (sToAdd != null)
{
foreach (Subject child in sToAdd)
{
laInDB.Subjects.Add(child);
}
}
IEnumerable<Subject> sToRemove = laInDB.Subjects.Except(l.Subjects);
if (sToRemove != null)
{
foreach (Subject child in sToRemove)
{
laInDB.Subjects.Add(child);
}
}
}
else if (laInDB.Subjects.Count == l.Subjects.Count)
{
//compare 2 lists check the non existing to the other
IEnumerable<Subject> sToAdd = laInDB.Subjects.Except(l.Subjects);
IEnumerable<Subject> sToRemove = l.Subjects.Except(laInDB.Subjects);
if (sToAdd != null)
{
foreach (Subject child in sToAdd)
{
laInDB.Subjects.Add(child);
}
}
if (sToRemove != null)
{
foreach (Subject child in sToRemove)
{
laInDB.Subjects.Remove(child);
}
}
}
using (var DC = new DCFIEntities())
{
// DC.Teachers.Remove(teacherInDB);
laInDB = l;
foreach (Subject s in laInDB.Subjects)
DC.Entry(s).State = s.SubjectID == 0 ? System.Data.Entity.EntityState.Added : System.Data.Entity.EntityState.Modified;
DC.Entry(laInDB).State = System.Data.Entity.EntityState.Modified;
int num = DC.SaveChanges();
if (num > 0)
{
message = "No learning area is updated.";
}
}
}
return ret;
}
public Boolean UpdateLearningArea(ref LearningAreaBDO laBDO, ref string message)
{
Boolean ret = true;
LearningArea l = new LearningArea();
ConvertLearningAreaBDOToLearningArea(laBDO, l);
LearningArea laInDB = new LearningArea();
using (var DCEnt = new DCFIEntities())
{
var learningAreaCode = laBDO.LearningAreaCode;
laInDB = (from la in DCEnt.LearningAreas
where la.LearningAreaCode.Equals(learningAreaCode)
select la).FirstOrDefault();
if (laInDB == null)
{
throw new Exception("No Learning Area with Code " + laBDO.LearningAreaCode);
}
if (laInDB.Subjects.Count == 0)
{
foreach (Subject s in l.Subjects)
{
laInDB.Subjects.Add(s);
}
}
else if (laInDB.Subjects.Count < l.Subjects.Count)
{
//compare 2 lists check the non existing to the other
IEnumerable <Subject> sToAdd = l.Subjects.Except(laInDB.Subjects);
if (sToAdd != null)
{
foreach (Subject child in sToAdd)
{
laInDB.Subjects.Add(child);
}
}
IEnumerable <Subject> sToRemove = laInDB.Subjects.Except(l.Subjects);
if (sToRemove != null)
{
foreach (Subject child in sToRemove)
{
laInDB.Subjects.Add(child);
}
}
}
else if (laInDB.Subjects.Count > l.Subjects.Count)
{
//compare 2 lists check the non existing to the other
IEnumerable <Subject> sToAdd = l.Subjects.Except(laInDB.Subjects);
if (sToAdd != null)
{
foreach (Subject child in sToAdd)
{
laInDB.Subjects.Add(child);
}
}
IEnumerable <Subject> sToRemove = laInDB.Subjects.Except(l.Subjects);
if (sToRemove != null)
{
foreach (Subject child in sToRemove)
{
laInDB.Subjects.Add(child);
}
}
}
else if (laInDB.Subjects.Count == l.Subjects.Count)
{
//compare 2 lists check the non existing to the other
IEnumerable <Subject> sToAdd = laInDB.Subjects.Except(l.Subjects);
IEnumerable <Subject> sToRemove = l.Subjects.Except(laInDB.Subjects);
if (sToAdd != null)
{
foreach (Subject child in sToAdd)
{
laInDB.Subjects.Add(child);
}
}
if (sToRemove != null)
{
foreach (Subject child in sToRemove)
{
laInDB.Subjects.Remove(child);
}
}
}
using (var DC = new DCFIEntities())
{
// DC.Teachers.Remove(teacherInDB);
laInDB = l;
foreach (Subject s in laInDB.Subjects)
{
DC.Entry(s).State = s.SubjectID == 0 ? System.Data.Entity.EntityState.Added : System.Data.Entity.EntityState.Modified;
}
DC.Entry(laInDB).State = System.Data.Entity.EntityState.Modified;
int num = DC.SaveChanges();
if (num > 0)
{
message = "No learning area is updated.";
}
}
}
return(ret);
}
public Boolean UpdateLearningArea(ref LearningAreaBDO laBDO, ref string message)
{
List<Subject> toRemove;
List<Subject> toAdd;
List<Subject> toUpdate;
Boolean ret = true;
LearningArea l = new LearningArea();
LearningArea laInDB = new LearningArea();
LearningArea laInDB2 = new LearningArea();
try {
using (var DCEnt = new DCFIEntities())
{
var learningAreaCode = laBDO.LearningAreaCode;
laInDB = (from la in DCEnt.LearningAreas
where la.LearningAreaCode.Equals(learningAreaCode)
select la).FirstOrDefault();
if (laInDB == null)
{
throw new Exception("No Learning Area with Code " + laBDO.LearningAreaCode);
}
l.Academic = laBDO.Academic;
l.Description = laBDO.Description;
l.LearningAreaCode = laBDO.LearningAreaCode;
l.RatePerSubject = laBDO.RatePerSubject;
l.RatePerUnit = laBDO.RatePerUnit;
l.Units = laBDO.Units;
l.Subjects = ToSubjectList(laBDO.Subjects);
if (laInDB.Subjects.Count == 0)
{
foreach (Subject s in l.Subjects)
{
laInDB.Subjects.Add(s);
}
}
else if (laInDB.Subjects.Count < l.Subjects.Count)
{
//compare 2 lists check the non existing to the other
List<Subject> sToAdd = new List<Subject>();
sToAdd= CompareSubjectLists(l.Subjects.ToList<Subject>(),laInDB.Subjects.ToList<Subject>());
//List<Subject> newSubToAdd = new List<Subject>();
//newSubToAdd = sToAdd.ToList<Subject>();
if (sToAdd != null)
{
foreach (Subject child in sToAdd)
{
laInDB.Subjects.Add(child);
}
}
List<Subject> sToRemove = new List<Subject>();
sToRemove = CompareSubjectLists(laInDB.Subjects.ToList<Subject>(), l.Subjects.ToList<Subject>());
if (sToRemove != null)
{
foreach (Subject child in sToRemove)
{
laInDB.Subjects.Remove(child);
}
}
}
else if (laInDB.Subjects.Count > l.Subjects.Count)
{
//compare 2 lists check the non existing to the other
List<Subject> sToAdd = new List<Subject>();
sToAdd = CompareSubjectLists(l.Subjects.ToList<Subject>(), laInDB.Subjects.ToList<Subject>());
if (sToAdd != null)
{
foreach (Subject child in sToAdd)
{
laInDB.Subjects.Add(child);
}
}
List<Subject> sToRemove = new List<Subject>();
sToRemove = CompareSubjectLists(laInDB.Subjects.ToList<Subject>(), l.Subjects.ToList<Subject>());
if (sToRemove != null)
{
foreach (Subject child in sToRemove)
{
laInDB.Subjects.Remove(child);
}
}
}
else if (laInDB.Subjects.Count == l.Subjects.Count)
{
toRemove = new List<Subject>();
toAdd = new List<Subject>();
toUpdate = new List<Subject>();
foreach (Subject s in l.Subjects)
{
int c = laInDB.Subjects.Where(sub => sub.SubjectCode == s.SubjectCode).Count();
if (c == 0)
toAdd.Add(s);
}
foreach (Subject c in toAdd)
{
DCEnt.Subjects.Add(c);
DCEnt.Entry(c).State = System.Data.Entity.EntityState.Added;
// DCEnt.SaveChanges();
}
foreach (Subject s in laInDB.Subjects)
{
int c = l.Subjects.Where(sub => sub.SubjectCode == s.SubjectCode).Count();
if (c == 0)
toRemove.Add(s);
}
foreach (Subject c in toRemove)
{
DCEnt.Subjects.Remove(c);
DCEnt.Entry(c).State = System.Data.Entity.EntityState.Deleted;
// DCEnt.SaveChanges();
}
DCEnt.LearningAreas.Remove(laInDB);
DCEnt.LearningAreas.Attach(laInDB);
DCEnt.Entry(laInDB).State = System.Data.Entity.EntityState.Modified;
// DCEnt.SaveChanges();
}
//foreach (Subject s in laInDB.Subjects)
// DCEnt.Entry(s).State = s.SubjectID == 0 ? System.Data.Entity.EntityState.Added : System.Data.Entity.EntityState.Modified;
int num = DCEnt.SaveChanges();
if (num > 0)
{
message = "No learning area is updated.";
}
}
}
catch (DbEntityValidationException dbEx)
{
foreach (var validationErrors in dbEx.EntityValidationErrors)
{
foreach (var validationError in validationErrors.ValidationErrors)
{
Trace.TraceInformation("Property: {0} Error: {1}",
validationError.PropertyName,
validationError.ErrorMessage);
}
}
}
return ret;
}
private Boolean CompareLearningArea(LearningArea inDB, LearningArea inNew)
{
if (inDB.LearningAreaCode == inNew.LearningAreaCode && inDB.Description == inNew.Description && inDB.Academic==inNew.Academic && inDB.RatePerUnit==inNew.RatePerUnit && inDB.Units==inNew.Units)
return true;
else return false;
}
public Boolean UpdateLearningArea(ref LearningAreaBDO laBDO, ref string message)
{
List<Subject> toRemove;
List<Subject> toAdd;
List<Subject> toUpdate;
Boolean ret = true;
LearningArea l = new LearningArea();
LearningArea laInDB = new LearningArea();
LearningArea laInDB2 = new LearningArea();
try {
using (var DCEnt = new DCFIEntities())
{
var learningAreaCode = laBDO.LearningAreaCode;
laInDB = (from la in DCEnt.LearningAreas
where la.LearningAreaCode.Equals(learningAreaCode)
select la).FirstOrDefault();
if (laInDB == null)
{
throw new Exception("No Learning Area with Code " + laBDO.LearningAreaCode);
}
l.Academic = laBDO.Academic;
l.Description = laBDO.Description;
l.LearningAreaCode = laBDO.LearningAreaCode;
l.RatePerSubject = laBDO.RatePerSubject;
l.RatePerUnit = laBDO.RatePerUnit;
l.Units = laBDO.Units;
l.Subjects = ToSubjectList(laBDO.Subjects);
if (laInDB.Subjects.Count == 0)
{
foreach (Subject s in l.Subjects)
{
laInDB.Subjects.Add(s);
}
}
else
{
toRemove = new List<Subject>();
toAdd = new List<Subject>();
toUpdate = new List<Subject>();
foreach (Subject s in l.Subjects)
{
Subject subj = new Subject();
subj = laInDB.Subjects.Where(sub => sub.SubjectCode == s.SubjectCode).FirstOrDefault();
if (subj == null)
{
DCEnt.Subjects.Add(s);
DCEnt.Entry(s).State = System.Data.Entity.EntityState.Added;
}
else
{
if (!CompareSubject(subj, s))
{
toUpdate.Add(s);
}
}
}
//Add new Subject
if (toAdd.Count > 0)
{
foreach (Subject c in toAdd)
{
DCEnt.Subjects.Add(c);
DCEnt.Entry(c).State = System.Data.Entity.EntityState.Added;
}
}
foreach (Subject c in laInDB.Subjects)
{
Subject subj = new Subject();
subj = l.Subjects.Where(sub => sub.SubjectCode == c.SubjectCode).FirstOrDefault();
Subject upSubj = new Subject();
upSubj = toUpdate.Where(sub => sub.SubjectCode == c.SubjectCode).FirstOrDefault();
//toRemove subject
if (subj == null)
{
DCEnt.Subjects.Remove(c);
DCEnt.Entry(c).State = System.Data.Entity.EntityState.Deleted;
}
//toUpdate subject
if (upSubj != null)
{
c.Description = upSubj.Description;
c.MPW = upSubj.MPW;
DCEnt.Entry(c).State = System.Data.Entity.EntityState.Modified;
}
}
DCEnt.LearningAreas.Attach(laInDB);
DCEnt.Entry(laInDB).State = System.Data.Entity.EntityState.Modified;
}
int num = DCEnt.SaveChanges();
if (num > 0)
{
message = "No learning area is updated.";
}
}
}
catch (DbEntityValidationException dbEx)
{
foreach (var validationErrors in dbEx.EntityValidationErrors)
{
foreach (var validationError in validationErrors.ValidationErrors)
{
Trace.TraceInformation("Property: {0} Error: {1}",
validationError.PropertyName,
validationError.ErrorMessage);
}
}
}
return ret;
}
public Boolean UpdateLearningArea(ref LearningAreaBDO laBDO, ref string message)
{
List <Subject> toRemove;
List <Subject> toAdd;
List <Subject> toUpdate;
Boolean ret = true;
LearningArea l = new LearningArea();
LearningArea laInDB = new LearningArea();
LearningArea laInDB2 = new LearningArea();
try {
using (var DCEnt = new DCFIEntities())
{
var learningAreaCode = laBDO.LearningAreaCode;
laInDB = (from la in DCEnt.LearningAreas
where la.LearningAreaCode.Equals(learningAreaCode)
select la).FirstOrDefault();
if (laInDB == null)
{
throw new Exception("No Learning Area with Code " + laBDO.LearningAreaCode);
}
l.Academic = laBDO.Academic;
l.Description = laBDO.Description;
l.LearningAreaCode = laBDO.LearningAreaCode;
l.RatePerSubject = laBDO.RatePerSubject;
l.RatePerUnit = laBDO.RatePerUnit;
l.Units = laBDO.Units;
l.Subjects = ToSubjectList(laBDO.Subjects);
if (laInDB.Subjects.Count == 0)
{
foreach (Subject s in l.Subjects)
{
laInDB.Subjects.Add(s);
}
}
else
{
toRemove = new List <Subject>();
toAdd = new List <Subject>();
toUpdate = new List <Subject>();
foreach (Subject s in l.Subjects)
{
Subject subj = new Subject();
subj = laInDB.Subjects.Where(sub => sub.SubjectCode == s.SubjectCode).FirstOrDefault();
if (subj == null)
{
DCEnt.Subjects.Add(s);
DCEnt.Entry(s).State = System.Data.Entity.EntityState.Added;
}
else
{
if (!CompareSubject(subj, s))
{
toUpdate.Add(s);
}
}
}
//Add new Subject
if (toAdd.Count > 0)
{
foreach (Subject c in toAdd)
{
DCEnt.Subjects.Add(c);
DCEnt.Entry(c).State = System.Data.Entity.EntityState.Added;
}
}
foreach (Subject c in laInDB.Subjects)
{
Subject subj = new Subject();
subj = l.Subjects.Where(sub => sub.SubjectCode == c.SubjectCode).FirstOrDefault();
Subject upSubj = new Subject();
upSubj = toUpdate.Where(sub => sub.SubjectCode == c.SubjectCode).FirstOrDefault();
//toRemove subject
if (subj == null)
{
DCEnt.Subjects.Remove(c);
DCEnt.Entry(c).State = System.Data.Entity.EntityState.Deleted;
}
//toUpdate subject
if (upSubj != null)
{
c.Description = upSubj.Description;
c.MPW = upSubj.MPW;
DCEnt.Entry(c).State = System.Data.Entity.EntityState.Modified;
}
}
DCEnt.LearningAreas.Attach(laInDB);
DCEnt.Entry(laInDB).State = System.Data.Entity.EntityState.Modified;
}
int num = DCEnt.SaveChanges();
if (num > 0)
{
message = "No learning area is updated.";
}
}
}
catch (DbEntityValidationException dbEx)
{
foreach (var validationErrors in dbEx.EntityValidationErrors)
{
foreach (var validationError in validationErrors.ValidationErrors)
{
Trace.TraceInformation("Property: {0} Error: {1}",
validationError.PropertyName,
validationError.ErrorMessage);
}
}
}
return(ret);
}
