1.         /// <summary>
    2.         /// 上移
    3.         /// </summary>
    4.         /// <param name="dataGridView"></param>
    5.         public static void UpDataGridView(DataGridView dataGridView)
    6.         {
    7.             try
    8.             {
    9.                 int count = dataGridView.SelectedRows.Count;
    10.                 if (count==0)
    11.                 {
    12.                     return;
    13.                 }
    14.                 int index = dataGridView.SelectedRows[count - 1].Index;//DataGridView中,选中的第一条
    15.                 if (index <= 0)//选中开头
    16.                 {
    17.                     return;
    18.                 }
    19.                 List<DataGridViewRow> rows = new List<DataGridViewRow>();
    20.                 foreach (DataGridViewRow row in dataGridView.SelectedRows)
    21.                 {
    22.                     rows.Add(row);
    23.                 }
    24.                 //说明:DataGridView.SelectedRows倒序排列DataGridView选中的行
    25.                 rows.Reverse();//反转顺序,改为正序
    26.                 List<int> rowIndex = new List<int>();//保存已经选中位移后的下标
    27.                 for (int i = 0;i< rows.Count;i++)
    28.                 {
    29.                     int saveIndex = rows[i].Index;
    30.                     rowIndex.Add(saveIndex-1);
    31.                     dataGridView.Rows.RemoveAt(saveIndex);//删除
    32.                     dataGridView.Rows.Insert(saveIndex - 1, rows[i]);//添加到指定位置
    33.                 }
    34.                 dataGridView.ClearSelection();//清理其他选中
    35.                 foreach (var item in rowIndex)//重新设置选中
    36.                 {
    37.                     dataGridView.Rows[item].Selected = true;
    38.                 }
    39.             }
    40.             catch (Exception ex)
    41.             {
    42.                 MessageBox.Show(ex.ToString());
    43.             }
    44.         }
    45.         /// <summary>
    46.         /// 下移
    47.         /// </summary>
    48.         /// <param name="dataGridView"></param>
    49.         public static void DownDataGridView(DataGridView dataGridView)
    50.         {
    51.             try
    52.             {
    53.                 int count = dataGridView.SelectedRows.Count;
    54.                 if (count == 0)
    55.                 {
    56.                     return;
    57.                 }
    58.                 int index = dataGridView.SelectedRows[0].Index;//DataGridView中,选中的最后一条
    59.                 if (index >= dataGridView.Rows.Count-1)//选中结尾
    60.                 {
    61.                     return;
    62.                 }
    63.                 List<DataGridViewRow> rows = new List<DataGridViewRow>();
    64.                 foreach (DataGridViewRow row in dataGridView.SelectedRows)
    65.                 {
    66.                     rows.Add(row);
    67.                 }
    68.                 List<int> rowIndex = new List<int>();//保存已经选中位移后的下标
    69.                 for (int i = 0; i < rows.Count; i++)
    70.                 {
    71.                     int saveIndex = rows[i].Index;
    72.                     rowIndex.Add(saveIndex + 1);
    73.                     dataGridView.Rows.RemoveAt(saveIndex);//删除
    74.                     dataGridView.Rows.Insert(saveIndex + 1, rows[i]);//添加到指定位置
    75.                 }
    76.                 dataGridView.ClearSelection();//清理其他选中
    77.                 rowIndex.Reverse();//反转,为了选中顺序和默认选中顺序保存一致
    78.                 foreach (var item in rowIndex)//重新设置选中
    79.                 {
    80.                     dataGridView.Rows[item].Selected = true;
    81.                 }
    82.             }
    83.             catch (Exception ex)
    84.             {
    85.                 MessageBox.Show(ex.ToString());
    86.             }
    87.         }
    88.         /// <summary>
    89.         /// 删除
    90.         /// </summary>
    91.         /// <param name="dataGridView"></param>
    92.         public static void DeleteDataGridView(DataGridView dataGridView)
    93.         {
    94.             try
    95.             {
    96.                 int count = dataGridView.SelectedRows.Count;
    97.                 if (count == 0)
    98.                 {
    99.                     return;
    100.                 }
    101.                 int index = dataGridView.SelectedRows[count - 1].Index;//DataGridView中,选中的第一条
    102.                 if (index < 0)
    103.                 {
    104.                     return;
    105.                 }
    106.                 DialogResult dr = MessageBox.Show("确定删除当前选中行?", "提示", MessageBoxButtons.OKCancel, MessageBoxIcon.Question);
    107.                 if (dr == DialogResult.OK)
    108.                 {
    109.                     List<int> rowIndex = new List<int>();//保存的下标
    110.                     foreach (DataGridViewRow row in dataGridView.SelectedRows)
    111.                     {
    112.                         rowIndex.Add(row.Index);
    113.                     }
    114.                     foreach (var item in rowIndex)
    115.                     {
    116.                         dataGridView.Rows.RemoveAt(item);
    117.                     }
    118.                 }
    119.             }
    120.             catch (Exception ex)
    121.             {
    122.                 MessageBox.Show(ex.ToString());
    123.             }
    124.         }