How to convert a "custom class" to an arraylist?nc - asp.net

Question

I have a class called student. Student class has public fields like first name, and last name. I am creating an instance of this class in my default page and assigning values to the fields. I have a function which takes two arraylists and return false if items in the arraylists do not match. In my default page, I have an arraylist which has items like first name and last name. I am passing this student object and the arraylist to compare and I get unable to cast Student to arraylist. Is there a way to work around this? Below is my code.
Dim valid as boolean = StudentsCompare(Student, arrlst)
Function StudentsCompare(ByVal arraylist1 as Arraylist, ByVal arrayList2 as ArrayList)
Dim Error As Boolean = True
For i As Integer = 0 To (arraylist1.Count - 1)
If Not arraylist1.Item(i).ToString = arrayList2.Item(i).ToString Then
Return Error = False
End If
Next
Return Error
End Function

Answer 1

You could do it this way; student.FirstName is an example you may need to change it with one of your class's real property.
Private valid As Boolean = StudentsCompare(List(Of Student), arrlst)
Private Function StudentsCompare(students As List(Of Student), list As ArrayList) As Boolean
Dim index As Integer = 0
For Each student As var In students
If student.FirstName = list(index).ToString() Then
Return False
End If
index += 1
Next
Return True
End Function
And If you have both parameter with the same object "Student" you could do it this way and check the multiple conditions:
Private list1 As List(Of Student)
Private list2 As List(Of Student)
Private valid As Boolean = StudentsCompare(list1, list2)
Private Function StudentsCompare(students1 As List(Of Student), students2 As List(Of Student)) As Boolean
For Each st1 As var In students1
For Each st2 As var In students2
If st1.FirstName = st2.FirstName AndAlso st1.LastName = st2.LastName AndAlso st1.Grade = st2.Grade Then
Return True
End If
Next
Next
Return False
End Function