Getting compiation error,-don't know why. Thanks. - Steve



Compiler Error Message: BC30451: Name 'DateDiff' is not declared.

Source Error:



Line 90: birthdate = "6/3/1944"
Line 91: curDate = DateTime.Now
Line 92: age = DateDiff(DateInterval.Year, curDate, birthdate)
Line 93: Return age.ToString
Line 94: End Function





Imports System
Imports System.Web.UI
Imports System.DateTime
Imports System.Web.UI.WebControls
Imports System.Data
Imports System.Data.OLEDB
Public Class listingdetails
    Inherits System.Web.UI.Page

'--------

Deleted irrelevant code

'-------




   Function DisplayAge(ByVal birthday As Object, ByVal birthmonth As Object, ByVal birthyear As Object) As String
    '----- see page 342 ASP.NET Data Web Controls
    Dim bday As String
    Dim bmonth As String
    Dim byear As String
    Dim birthdate As Date
    Dim curDate As Date
    Dim age As Long
    bday = birthday.ToString
    bmonth = birthmonth.ToString
    byear = birthyear.ToString
    birthdate = CDate(bmonth & "/" & bday & "/" & byear)
    birthdate = "6/3/1944"
    curDate = DateTime.Now
    age = DateDiff(DateInterval.Year, curDate, birthdate)
    Return age.ToString
  End Function

I finally found out that I have to import Microsoft.VisualBasic