Linq join

var id = 1;
var query =
   from post in database.Posts
   join meta in database.Post_Metas on post.ID equals meta.Post_ID
   where post.ID == id
   select new { Post = post, Meta = meta };

Source: stackoverflow.com

How to write join query in linq c#

 var locationInfo = entities.TagTemperatures    // your starting point - table in the "from" statement
            .Join(entities.ReverseGeoFenceAddresses, // the source table of the inner join
               tt => tt.TagTemperatureId,        // Select the primary key (the first part of the "on" clause in an sql "join" statement)
               rg => rg.TagTemperatureId,   // Select the foreign key (the second part of the "on" clause)
               (tt, rg) => new { TT = tt, RG = rg }) // selection
            .Where(TTandRG => TTandRG.TT.TagId == tag.TagId && TTandRG.TT.SampleTime > StartDate && TTandRG.TT.SampleTime < EndDate)
            .Select(X => new { X.TT.Latitude, X.TT.Longitude, X.TT.SampleTime, X.TT.TemperatureCelsius, X.TT.isAlert, X.TT.isYAlert, X.RG.FullAddress }).ToList();    // where statement

Similar codes

1 vote140 views2 answers
Oracle replace
SQL
0 vote151 views1 answer
To_date sql
SQL
2 votes85 views1 answer
Sql select in list
SQL
5 votes159 views1 answer
FSADeprecationWarning: SQLALCHEMY_TRACK_MODIFICATIONS adds significant overhead and will be disabled by default in the future. Set it to True or False to suppress this warning.
SQL
0 vote144 views4 answers
Sql rownum
SQL
0 vote138 views2 answers
Sql update top 100
SQL
21 votes140 views3 answers
Search for column name in sql db when i don't know which table it is in
SQL
0 vote147 views1 answer
Can sqldatareader be null
SQL
0 vote140 views1 answer
Nvl2 syntax
SQL
0 vote129 views2 answers
Django.db.utils.OperationalError: (1698, "Access denied for user 'root'@'localhost'")
SQL