Good Integer

protected int nGoodInt (string sNumber)
		{
		sNumber = sNumber.Trim();
		int Num;
		bool isNum = int.TryParse(sNumber, out Num);
		if (isNum)
			{
			return Num;
			}
		else
			{
			return 0;
			}
		}

protected System.Boolean IsNumeric(System.Object Expression)
	{
		if (Expression == null || Expression is DateTime)
		{
			return false;
		}

		if (Expression is Int16 || Expression is Int32 || Expression is Int64 || Expression is Decimal || Expression is Single || Expression is Double || Expression is Boolean)
		{
			return true;
		}

		try
		{
			if (Expression is string)
			{
				Double.Parse(Expression as string);
				return false;
			}
			else
			{
				Double.Parse(Expression.ToString());
				return true;
			}
		}
		catch
		{
			return false;
		}
	}

Function GoodInt(s)
	' Returns a "good" number, accounting for null values, etc.
	On Error Resume Next
	If len(s) > 0 and isNumeric(s) then
		s = csng(s)
		GoodInt= CLng(s)
	Else
		GoodInt= 0
	End If
	If Err Then GoodInt= 0
End Function