Dynamic XML data into columns with MS-SQL

DynamicSQL_XML.sql

select dense_rank() over(order by ID, I.N) as ID,
       F.N.value('(Text/text())[1]', 'varchar(max)') as Name,
       F.N.value('(Value/text())[1]', 'varchar(max)') as Value
into #T
from YourTable as T
  cross apply T.XMLCol.nodes('/Items/Item') as I(N)
  cross apply I.N.nodes('FormItem') as F(N)

declare @SQL nvarchar(max)
declare @Col nvarchar(max)

select @Col = 
  (
  select distinct ','+quotename(Name)
  from #T
  for xml path(''), type
  ).value('substring(text()[1], 2)', 'nvarchar(max)')

set @SQL = 'select '+@Col+'
            from #T
            pivot (max(Value) for Name in ('+@Col+')) as P'

exec (@SQL)

drop table #T