re: SSIS: Checking for IsNumeric()

It's tricky:

IF NOT NULL(Col) AND ISNUMERIC(Col) THEN

  Result = cDbl(Col)

ELSE

  Result = 0

END IF

in DTS

equates to:

Result = !ISNULL([Col]) && ((DT_STR,20,1252) [Col] == ((DT_STR,20,1252) (DT_R8) [Col] )) ? (DT_R8) [Col] : 0