What is wrong with this code snippet? Its giving me type declaration error

StackOverflow https://stackoverflow.com/questions/10985741

  •  13-06-2021
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Question

I am trying to convert this code into VB but it is giving me this error.

CONVERSION ERROR: Code could not be converted. Details:

-- line 1 col 8: invalid TypeDecl

Please check for any errors in the original code and try again.

  public Exam GetExamByExamID(int ExamID)
                {
             Exam myExam = new Exam(0,"",0,"","");  
              for(Exam exam1 : ExamArray)
            if(Exam.ExamID==ExamID)
              {
                 myExam.ExamID = exam1.ExamID;
                 myExam.ExamTitle = exam1.ExamTitle;
                     myExam.CreditHours = exam1.CreditHours;
                     myExam.Description = exam1.Description;
                         myExam.PrerequisiteExam = exam1.PrerequisiteExam;

              }
                  return myExam;

I changed my code to this but it is still the same error..

public Exam GetExamByExamID(int ExamID)
                    {
                 Exam myExam = new Exam(0,"",0,"","");  
                  for(Exam exam1 : ExamArray)
                if(Exam.ExamID==ExamID)
                  {
                     myExam.ExamID = exam1.ExamID;
                     myExam.ExamTitle = exam1.ExamTitle;
                         myExam.CreditHours = exam1.CreditHours;
                         myExam.Description = exam1.Description;
                             myExam.PrerequisiteExam = exam1.PrerequisiteExam;

                  }
                      return myExam;
                       }

What exactly do I need to change? Please help.

ok I changed again but same error..it says error in Line 1..

public Exam GetExamByExamID(int ExamID)
                    {
                 Exam myExam = new Exam(0,"",0,"","");  
                  for(Exam exam1 : ExamArray)
                if(exam1.ExamID==ExamID)
                  {
                     myExam.ExamID = exam1.ExamID;
                     myExam.ExamTitle = exam1.ExamTitle;
                         myExam.CreditHours = exam1.CreditHours;
                         myExam.Description = exam1.Description;
                             myExam.PrerequisiteExam = exam1.PrerequisiteExam;

                  }
                      return myExam;
                       }
Was it helpful?

Solution

The error you are getting from the code converter is because you have not included the class Exam to be converted so the converter error is saying "invalid Type Declaration" the first time it encounters the unknown class Exam.

this might work for you:

 Public Function GetExamByExamID(ExamID As Integer) As Exam
    Dim myExam As New Exam(0, "", 0, "", "")
    For Each exam1 As exam In ExamArray
        If exam1.ExamID = ExamID Then
            With myExam
                .ExamID = exam1.ExamID
                .ExamTitle = exam1.ExamTitle
                .CreditHours = exam1.CreditHours
                .Description = exam1.Description
                .PrerequisiteExam = exam1.PrerequisiteExam
            End With
            Return myExam
        End If
    Next
    Return Nothing
End Function

OTHER TIPS

I think you should post the entire class instead of just the snippet. Anyways, I will have the first dig at it.

Exam.ExamID and other Exam.*

Are you sure they refer to a variable? If you are referring to fields of this class, you should use this.ExamID and so on

If not, this is most likely your error.

This is just a guess but try changing

public Exam GetExamByExamID(int ExamID)

to

public Exam GetExamByExamID(int id)

along with changing

if(exam1.ExamID==ExamID)

to

if(exam1.ExamID==id)
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