//可在dgv中复制、剪切、粘贴、删除数据                /// 
        /// DataGridView复制        /// 
        /// DataGridView实例        public static void dgvCopy(DataGridView dgv)        {            if (dgv.GetCellCount(DataGridViewElementStates.Selected) > 0)            {                try                {                    Clipboard.SetDataObject(dgv.GetClipboardContent());                }                catch (Exception MyEx)                {                    MessageBox.Show(MyEx.Message, "错误提示", MessageBoxButtons.OK, MessageBoxIcon.Warning);                }            }        }        /// 
        /// DataGridView剪切        /// 
        /// DataGridView实例        public static void dgvCut(DataGridView dgv)        {            dgvCopy(dgv);            try            {                dgvDel(dgv);            }            catch (Exception MyEx)            {                MessageBox.Show(MyEx.Message);            }        }        ///
        /// DataGridView删除内容        /// 
        /// DataGridView实例        public static void dgvDel(DataGridView dgv)        {            try            {                int k = dgv.SelectedCells.Count;                for (int i = 0; i < k; i++)                {                    dgv.SelectedCells[i].Value = "";                }            }            catch (Exception MyEx)            {                MessageBox.Show(MyEx.Message);            }        }        /// 
        /// DataGridView粘贴        /// 
        /// DataGridView数据源        /// DataGridView实例        public static void dgvPaste(DataGridView dgv)        {            try            {                //最后一行为新行                int rowCount = dgv.Rows.Count - 1;                int colCount = dgv.ColumnCount;                //获取剪贴板内容                string pasteText = Clipboard.GetText();                //判断是否有字符存在                if (string.IsNullOrEmpty(pasteText))                    return;                //以换行符分割的数组                string[] lines = pasteText.Trim().Split('\n');                int txtLength = lines.Length;                                //Lance.2015-12-03                int cRowIndex = dgv.SelectedCells[0].RowIndex;                int cColIndex = dgv.SelectedCells[0].ColumnIndex;                for (int i = 0; i < txtLength; i++)                {                    string[] words = lines[i].Split('\t');                    for (int j = 0; j < words.Length; j++)                    {                        dgv.Rows[cRowIndex + i].Cells[cColIndex + j].Value = words[j];                    }                }            }            catch (Exception MyEx)            {                MessageBox.Show(MyEx.Message);            }        }

 

Keys key = e.KeyCode;            //Delete删除内容            if (key == Keys.Delete)            {                TextDaseOperationClass.dgvDel(dataGridView1);            }             if (e.Control!=true)//如果没按Ctrl键            return;            switch (key)            {                case Keys.C:                //按下Ctrl+C复制                TextDaseOperationClass.dgvCopy(dataGridView1);                break;                case Keys.V:                //按下Ctrl+V粘贴                TextDaseOperationClass.dgvPaste(dataGridView1);                break;                case Keys.X:                //按下Ctrl+V剪切                TextDaseOperationClass.dgvCut(dataGridView1);                break;            }