def _set_value(self, row, col, value):
        new_rows = 0
        try:
            self.data[row][col] = value
        except IndexError:
            # Add a new row.
            self.data.append([0] * self.GetNumberCols())
            self.data[row][col] = value
            new_rows = 1

        return new_rows
generate/update a :class:`.ColumnProprerty` given a
dataset/ETHPy150Open enthought/pyface/pyface/ui/wx/grid/simple_grid_model.py/SimpleGridModel._set_value--crossover with--dataset/ETHPy150Open goFrendiAsgard/kokoropy/kokoropy/packages/sqlalchemy/orm/mapper.py/Mapper._property_from_column