dgv.Rows[i].DefaultCellStyle.BackColor = System.Drawing.Color.White;

/// <summary>          /// 隔行变色          /// </summary>          /// <param name="dgv">传入DataGridView控件名称</param>          public static void DgvRowColor(System.Windows.Forms.DataGridView dgv)          {              if (dgv.Rows.Count != 0)              {                  for (int i = 0; i < dgv.Rows.Count; i++)                  {                      if ((i + 1) % 2 == 0)                      {                          dgv.Rows[i].DefaultCellStyle.BackColor = System.Drawing.Color.White;                      }                      else                      {                          dgv.Rows[i].DefaultCellStyle.BackColor = System.Drawing.Color.FromArgb(224, 254, 254);                      }                                   }              }          }