WinForm - 格式化DataGridView单元格数据

/// <summary>
/// 格式化数据
/// </summary>
private void dataGridView1_CellFormatting(object sender, DataGridViewCellFormattingEventArgs e)
{
    if (e.ColumnIndex == 3 ) //哪一列
    { 
        if (Convert.ToInt32(e.Value) == 1) 
        { 
            e.Value="存在维修记录,双击查看！";
            e.CellStyle.ForeColor = Color.Green; 
        } 
        else if(Convert.ToInt32(e.Value) == 0)
        { 
            e.Value="未创建维修记录！";
            e.CellStyle.ForeColor = Color.Red;
        }
        else { }
    }
}