CREATE FUNCTION dbo.fn_GetProfileElement
(
@fieldName AS NVARCHAR(100),
@fields AS NVARCHAR(4000),
@values AS NVARCHAR(4000))
RETURNS NVARCHAR(4000)
AS
BEGIN

  -- If input is invalid, return null.
  IF  @fieldName IS NULL
      OR LEN(@fieldName) = 0
      OR @fields IS NULL
      OR LEN(@fields) = 0
      OR @values IS NULL
      OR LEN(@values) = 0
    RETURN NULL

-- locate FieldName in Fields
DECLARE @fieldNameToken AS NVARCHAR(20)
DECLARE @fieldNameStart AS INTEGER, @valueStart AS INTEGER, @valueLength AS INTEGER

-- Only handle string type fields (:S:)
SET @fieldNameStart = CHARINDEX(@fieldName + ':S',@Fields,0)

-- If field is not found, return null
IF @fieldNameStart = 0 RETURN NULL
SET @fieldNameStart = @fieldNameStart + LEN(@fieldName) + 3

-- Get the field token which I've defined as the start of the field offset to the end of the length
SET @fieldNameToken = SUBSTRING(@Fields,@fieldNameStart,LEN(@Fields)-@fieldNameStart)

-- Get the values for the offset and length
SET @valueStart = dbo.fn_getelement(1,@fieldNameToken,':')
SET @valueLength = dbo.fn_getelement(2,@fieldNameToken,':')

-- Check for sane values, 0 length means the profile item was stored, just no data
IF @valueLength = 0 RETURN ''

-- Return the string
RETURN SUBSTRING(@values, @valueStart+1, @valueLength)
END

SELECT dbo.fn_GetProfileElement('PostalCode',PropertyNames,PropertyValuesString) FROM aspnet_Profile