Comments by shipalis (Top 1 by date)

Subject and Class two other table which have content property Subject and Class as string
exp.

public ClassDetail
{
public Nullable<int> Classid { get; set; }
public string Class { get; set; }
}

public SubjectDetail
{
public Nullable<int> Subjectid { get; set; }
public string Subject{ get; set; }
}