MySQL in EF returns to the DataTable public class library

public static class SqlHelper {//<summary>///EF SQL statements return dataTable//</summary> <param name= "db" >ef data context </param>///<param name= "SQL" > statements </param>///&L T;param name= "Parameters" > Parameters </param>//<returns></returns> public static DataTable Sq Lqueryfordatatatable (This Database db, String sql, sqlparameter[] parameters=null) {mysqlconnection con            n = new mysqlconnection (); Conn. ConnectionString = db.            connection.connectionstring; IF (Conn. state! = ConnectionState.Open) {Conn.            Open ();            } mysqlcommand cmd = new Mysqlcommand (); Cmd.            Connection = conn;            Cmd.commandtext = SQL; if (parameters!=null && parameters. Length > 0) {foreach (var item in parameters) {cmd.    Parameters.Add (item);            }} Mysqldataadapter adapter = new Mysqldataadapter (cmd);            DataTable table = new DataTable (); Adapter.            Fill (table);        return table; }    }

　　

MySQL in EF returns to the DataTable public class library