Data table to array and return array

Question

[System.Web.Services.WebMethod]
public void loaddata()
string sql = "SELECT Name,Time,Inuse FROM table4";
  using (SqlConnection Connection = new SqlConnection((@"Data Source)))
           {
               using (SqlCommand myCommand = new SqlCommand(sql, Connection))
               {
                   Connection.Open();
             using (SqlDataReader myReader = myCommand.ExecuteReader())
                   {
                       DataTable dt = new DataTable();
                       dt.Load(myReader);
                       Connection.Close();
                        DataView dv = new DataView(dt);
                        dv.RowFilter = (("Name='ACVX'"));
                       var tableEnumerable = dv.ToTable().AsEnumerable();

                       var tableArray = tableEnumerable.ToArray();
                       return tableArray ;//Error
                   }
 }
   }

       }

I Want to load my datatable into an Var Array and Return the array .suggest some ideas to do my TASK..