public ViewResult GetSubjectCGPA(string regNo)
{
int NoOfenrollCourse = 1;
int noOfRemaningCourse = 0;
float remaningCredit = 0;
double TotalGpa = 0;
ViewResult aViewResult = new ViewResult();
List<ViewCourseGradeAndCredit> viewCourseGradeAndCreditList = new List<ViewCourseGradeAndCredit>();
viewCourseGradeAndCreditList = GetCourseResult(regNo);
foreach (ViewCourseGradeAndCredit viewCourseGradeAndCreditObj in viewCourseGradeAndCreditList)
{
aViewResult.SubjectCgpa = GradePointCalculator.GetPoint(viewCourseGradeAndCreditObj.GradeLetter) *
viewCourseGradeAndCreditObj.Credit;
TotalGpa += aViewResult.SubjectCgpa;
aViewResult.EnrolledCredit += viewCourseGradeAndCreditObj.Credit;
aViewResult.NoOfEnrolledCourses += NoOfenrollCourse;
NoOfenrollCourse++;
if (viewCourseGradeAndCreditObj.GradeLetter == "F" || viewCourseGradeAndCreditObj.GradeLetter == "On Going..")
{
noOfRemaningCourse++;
remaningCredit += viewCourseGradeAndCreditObj.Credit;
}
}
aViewResult.Cgpa = GradePointCalculator.CGPA(TotalGpa, (aViewResult.EnrolledCredit - remaningCredit));
aViewResult.GradeLetter = GradePointCalculator.GetGradeLetter(aViewResult.Cgpa);
aViewResult.CompletedCredit = aViewResult.EnrolledCredit - remaningCredit;
aViewResult.NoOfCompletedCourses = aViewResult.NoOfEnrolledCourses - noOfRemaningCourse;
return aViewResult;
}
private void GetResult(string regNo)
{
try
{
StudentManager aStudentManager = new StudentManager();
ResultManager aResultManager = new ResultManager();
ViewStudentInformation aViewStudentInformation = new ViewStudentInformation();
aViewStudentInformation = aStudentManager.GetStudentInformation(regNo);
if (aViewStudentInformation.Name ==null)
{
msgLabel.ForeColor = Color.Red;
msgLabel.Text = "Invalid Registation Number";
return;
}
nameTextBox.Value = aViewStudentInformation.Name;
emailTextBox.Value = aViewStudentInformation.Email;
departmentTextBox.Value = aViewStudentInformation.DepartmentName;
ViewResult aViewResult = new ViewResult();
List<ViewCourseGradeAndCredit> viewCourseGradeAndCreditList = new List<ViewCourseGradeAndCredit>();
viewCourseGradeAndCreditList = aResultManager.GetCourseResult(regNo);
detailsResultGridView.DataSource = viewCourseGradeAndCreditList;
detailsResultGridView.DataBind();
aViewResult = aResultManager.GetSubjectCGPA(regNo);
noOfEnrolledCoursesTextBox.Value = aViewResult.NoOfEnrolledCourses.ToString();
noOfRemainingCoursesTextBox.Value =
(aViewResult.NoOfEnrolledCourses - aViewResult.NoOfCompletedCourses).ToString();
noOfCompletedCoursesTextBox.Value = aViewResult.NoOfCompletedCourses.ToString();
totalCreditEnrolledCoursesTextBox.Value = aViewResult.EnrolledCredit.ToString();
completedCreditTextBox.Value = aViewResult.CompletedCredit.ToString();
remainingCreditTextBox.Value = (aViewResult.EnrolledCredit - aViewResult.CompletedCredit).ToString();
gradeLetterTextBox.Value = aViewResult.GradeLetter;
cgpaTextBox.Value = aViewResult.Cgpa.ToString();
if (aViewResult.NoOfEnrolledCourses != aViewResult.NoOfCompletedCourses||aViewResult.NoOfCompletedCourses==0)
{
resultLabel.ForeColor = Color.Red;
resultLabel.Text = "You are not eligible to get the certificate";
}
else
{
resultLabel.ForeColor = Color.Green;
resultLabel.Text = "You are eligible to get the certificate";
}
}
catch (SqlException sqlException)
{
msgLabel.ForeColor = Color.Red;
msgLabel.Text = "Database error.See details error: " + sqlException.Message;
}
catch (Exception exception)
{
msgLabel.ForeColor = Color.Red;
string errorMessage = "Unknow error occured.";
errorMessage += exception.Message;
if (exception.InnerException != null)
{
errorMessage += exception.InnerException.Message;
}
msgLabel.Text = errorMessage;
}
}