sql - outputting null values when converting vb transformation from dts to ssis -


i struggling converting old dts packages use activex vbscript transformations ssis packages. input 8 character string in yyyymmdd format. transformation converting date if possible. if not, value should null.

here dts code

theyear = mid(dtssource("ship_date"),1,4) themonth = mid(dtssource("ship_date"),5,2) theday = mid(dtssource("ship_date"),7,2) thedate = themonth &"/"&theday&"/"&theyear  if isdate(thedate)     dtsdestination("ship_date") = thedate end if

here have ssis transformation

dim theyear string dim themonth string dim theday string dim thedate string  if row.shipdate.length >= 8     theyear = row.shipdate.substring(0, 4)     themonth = row.shipdate.substring(4, 2)     theday = row.shipdate.substring(6, 2)     thedate = themonth & "/" & theday & "/" & theyear     if isdate(thedate)         row.outshipdate = thedate     else         row.outshipdate = nothing     end if else     row.outshipdate = nothing end if

i have tried formatting outshipdate both date , database date. invalid date input string such "00000000", either 1899-12-30 or 0001-01-01 in database column depending on dataype of outshipdate. if don't set row.outshipdate in vbscript, ssis execution fails completely.

can output null value vbscript transformation?

should not convert date....

row.outshipdate = cdate(thedate)

is db column set allow null?

update

if isdate(thedate)     row.outshipdate = cdate(thedate) else     row.outshipdate = dbnull.value end if

another update...

if isdate(thedate)     row.outshipdate = datetime.parse(thedate("mm/dd/yyyy")) else     row.outshipdate = directcast(nothing, system.nullable(of datetime)) end if

this worked me....

dim thedate string = "36/29/2014" 'dim thedate string = "4/9/2014"          dim ddb date      if isdate(thedate)         ddb = cdate(thedate)     else         ddb = nothing     end if

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