public bool Equals(Class other)
{
if (other == null)
{
return(false);
}
bool isParsed = true;
int tagNumber = 0;
int otherTagNumber = 0;
if (Tag.Length <= 1 || int.TryParse(Tag.Substring(0, Tag.Length - 1), out tagNumber))
{
isParsed = false;
}
if (other.Tag.Length <= 1 || int.TryParse(other.Tag.Substring(0, other.Tag.Length - 1), out otherTagNumber))
{
isParsed = false;
}
return(other != null && Name.Trim() == other.Name.Trim() && Room.Trim() == other.Room.Trim() && Teacher.Trim() == other.Teacher.Trim() && SchoolClass.Trim() == other.SchoolClass.Trim() && (isParsed && Math.Abs(tagNumber - otherTagNumber) <= 1));
}
