Select from multiple tables in one call

Question

In my code I have a page that includes information from 3 different tables. To show this information I make 3 SQL select calls and unite them in one list to pass as Model to my

Answer 1

you can use below generic code snippet

      /// <method>

    /// Select Query

    /// </method>

    public DataTable executeSelectQuery(String _query, SqlParameter[] sqlParameter)

    {
        SqlCommand myCommand = new SqlCommand();

        DataTable dataTable = new DataTable();

        dataTable = null;

        DataSet ds = new DataSet();

        try

        {
            myCommand.Connection = openConnection();
            myCommand.CommandText = _query;//or proc
            myCommand.Parameters.AddRange(sqlParameter);
            myAdapter.SelectCommand = myCommand;
            myAdapter.Fill(ds);

            dataTable = ds.Tables[0];//as per your requirement
        }
        catch (SqlException e)

        {//any logger 
            Console.Write("Error - Connection.executeSelectQuery - Query: " + _query + " \nException: " + e.StackTrace.ToString());
            return null;

        }            
            return dataTable;
    }