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Linq - no overload for method 'tostring' takes 1 arguments

 2 years ago
source link: https://www.codeproject.com/Questions/5318627/Linq-no-overload-for-method-tostring-takes-1-argum
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Dear All

I have this query

Copy Code
aquery = (from p in ctx.rap_t009_i.Where(x => (x.d_prog <= dDat))
          join r in ctx.t011 on p.id_prog equals r.id_prog
          join s in ctx.t005 on r.id_pers equals s.id_pers
          select new TAP_UTILITY.cl_PRIVACY
          {

              c_nom = s.c_nom,
              c_cog = s.c_cog,
              c_cod = s.c_cod,
       ---->  s_date_birth =  s.d_date_birth.ToString("dd/MM/yyyy"), <-----
              c_email = s.c_email
          }).Distinct().ToList();


But this query doesn't work. I receive this error message:
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Error	CS1501	No overload for method 'ToString' takes 1 arguments


What I have tried:

I try with this code, but doesn't work.
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s_date_birth = s.d_date_birth.HasValue ? s.d_date_birth.ToString("dd/MM/yyyy") : string.Empty,


How can I resolve ?

Thanks to everyone who will help me

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