code: function(name){
          if (_isNum(name)) name = this.fieldName(name);
          return this.fieldDef(name).getter.call(this);
      }
docs: Retrieves a value from the current row for the field having the name specified by the argument.
  @method fieldVal
  @param {string | int} name The name or the index of the field for which you want to retrieve the value.
  @return {array|boolean|float|int|string} From the current row, the value of the field that matches the argument.