设置datagridview隔行变色

        /// <summary>
        /// 设置datagridview隔行变色
        /// </summary>
        /// <param name="e">datagridview控件</param>
        public void setDgvRowColor(ref object sender)
        {
            try
            {
                DataGridView dgv = (DataGridView)sender;

                for (int i = ; i < dgv.Rows.Count; i++)
                {
                    if (i %  == )
                    {
                        dgv.Rows[i].DefaultCellStyle.BackColor = Color.White;
                    }
                    else
                    {
                        dgv.Rows[i].DefaultCellStyle.BackColor = Color.LightSteelBlue;
                    }
                }
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }