sql server - mssql isnull don't work in outer apply -

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outer apply  (  isnull(     (select top 1          sea.daily,                   sea.seasonid         season sea           sea.propertyid = prop.propertyid , fromdate < @fromdate ,  todate > @todate        ),     (select top 1 sea.daily,                     sea.seasonid                     season sea sea.propertyid = prop.propertyid)     )            ) pri

write error incorrect syntax near ')'. incorrect syntax near keyword 'as'.

missing "select"??

outer apply  (  select isnull(     (select top 1          sea.daily,                   sea.seasonid         season sea           sea.propertyid = prop.propertyid , fromdate < @fromdate ,  todate > @todate        ),     (select top 1 sea.daily,                     sea.seasonid                     season sea sea.propertyid = prop.propertyid)     )            ) pri

raj


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