Convert SSIS DateTime to a String

Being a newbie to SSIS I'm not sure of the most efficient method of converting a DateTime object to a String.
I'm from a C# background where this would be easy using DateTime.ToString("YYYYMMdd"). I want to use the date in a file name so don't require most of the parts.
I'm sure I could do this using a script task to produce a file name for each row of data in my table and add that filename to the dataset but it seem like overkill to do something that should be simple. Also as I'm supposed to be getting to grips with SSIS I shouldn't keep running back to what I know.
My current approach is to derive a column and build up an expression to convert the date into a string. The only problem being that it doesn't work.
The expression I'm working with is:
(DT_WSTR, 50)([OrgName] ) + "_" + (DT_WSTR, 50)( [PayrollName] ) + (DT_WSTR, 4)(YEAR( [ProcessedDate] )) + (DT_WSTR, 2)(MONTH( [ProcessedDate] )) + (DT_WSTR, 2)(DAY( [ProcessedDate] )) ".txt"
Can anyone see where I'm going wrong?
All comments greatly received.
Cheers
Ben

Doesn't work ? What is the error you are getting ?
Use dt_str instead. Here is an example I am using successfully...
Code Snippet
"FileName_" + (DT_STR,4,1252) DatePart("yyyy",getdate()) +
Right("0" + (DT_STR,4,1252) DatePart("m",getdate()),2) +
Right("0" + (DT_STR,4,1252) DatePart("d",getdate()),2) + Right("0" + (DT_STR,4,1252) DatePart("hh",getdate()),2) +Right("0" + (DT_STR,4,1252) DatePart("n",getdate()),2) +".txt"

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Last edited by J_Zar (2007-10-30 11:48:28)

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