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; } }