TSQL Pivot

I have a table that contains the following rows:

doc_id	ddt_FieldName	ddt_FieldValue	ddt_Changed	ddt_ChangedDateTime
744	Name		Richard Bobby	NULL		NULL
744	Year		54		NULL		NULL
744	Man		1		NULL		NULL
744	Gender		1		NULL		NULL
744	Woman		false		NULL		NULL
744	ProjectIDNumber	112		1		2013-10-19 21:31:39.057
744	FormDate			NULL		NULL
744	Enhet		NULL		NULL		NULL

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and i am using the following pviot statement:

select * from DocumentData PIVOT (max(ddt_FieldValue) FOR [ddt_FieldName] 
  IN ([Name], [Year], [Gender], [ProjectIDNumber], [FormDate], [Enhet], [Sjukgymnast])) AS pvt where doc_id = 744

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I have just added the columns ddt_Changed and ddt_ChangedDateTime.  

The row with Project id number has values in these columns.

Now the pivot is giving me two rows instead of one.

Any ideas why?
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You need to limit the data retrieved to just that required by the pivot
This result:
|    744 | Richard Bobby |   54 |      1 |             112 |   (null) | (null) |      (null) |

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Produced by this query:
       SELECT doc_id, ddt_FieldName, ddt_FieldValue
       FROM DocumentData
       WHERE ddt_FieldName IN (
                                 'Name', 'Year', 'Gender', 'ProjectIDNumber'
                               , 'FormDate', 'Enhet', 'Sjukgymnast'
        AND doc_id = 744
      ) AS dd
PIVOT (max(ddt_FieldValue) FOR [ddt_FieldName]
  IN ([Name], [Year], [Gender], [ProjectIDNumber], [FormDate], [Enhet], [Sjukgymnast])) AS pvt


/* ther details */
    ([doc_id] int, [ddt_FieldName] varchar(15), [ddt_FieldValue] varchar(13), [ddt_Changed] varchar(4), [ddt_ChangedDateTime] datetime)
INSERT INTO DocumentData
    ([doc_id], [ddt_FieldName], [ddt_FieldValue], [ddt_Changed], [ddt_ChangedDateTime])
    (744, 'Name', 'Richard Bobby', NULL, NULL),
    (744, 'Year', '54', NULL, NULL),
    (744, 'Man', '1', NULL, NULL),
    (744, 'Gender', '1', NULL, NULL),
    (744, 'Woman', 'false', NULL, NULL),
    (744, 'ProjectIDNumber', '112', '1', '2013-10-19 21:31:39'),
    (744, 'FormDate', NULL, NULL, NULL),
    (744, 'Enhet', NULL, NULL, NULL)
: http://sqlfiddle.com/#!3/42c30/7 

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How about a max on every field???

 SELECT MAX(Doc_id) AS Doc_id,MAX(ddt_Changed) AS ddt_Changed, MAX(ddt_ChangedDateTime) AS ddt_ChangedDateTime,
 MAX(Name) AS Name, MAX(YEAR) AS YEAR, MAX(Gender) AS Gender ,MAX(ProjectIDNumber) AS ProjectIDNumber,
 MAX([FormDate]) AS FormDate, MAX([Enhet]) AS Enhet
 from DocumentData  
 PIVOT (max(ddt_FieldValue) FOR [ddt_FieldName] 
  IN ([Name], [Year], [Gender], [ProjectIDNumber], [FormDate], [Enhet])) AS pvt 

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Paul must be as bored as me, connected to EE on a Sunday night.....sigh!!!

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