C#在C/S上怎么将DataGridView导出Word或Excel

/// <summary>        /// 导出Excel        /// </summary>        /// <param name="sender"></param>        /// <param name="e"></param>        private void btnExportExcel_Click(object sender, EventArgs e)        {            DataTable dt = this.dgvWaterTicket.DataSource;            if (dt == null)            {                return;            }             if (dt.Rows.Count == 0)            {                                return;            }            Excel.Application xlApp = new Excel.Application();            if (xlApp == null)            {                MessageBox.Show("请确保您的电脑已经安装Excel", "提示信息", MessageBoxButtons.OK, MessageBoxIcon.Error);                return;            }            xlApp.UserControl = true;            Excel.Workbooks workbooks = xlApp.Workbooks;            //根据模版产生新的workbook //Workbook workbook = workbooks.Add("D:\\aa.xls");            Excel.Workbook workbook = workbooks.Add(Excel.XlWBATemplate.xlWBATWorksheet);            Excel.Worksheet worksheet = (Excel.Worksheet)workbook.Worksheets[1];//取得sheet1             if (worksheet == null)            {                MessageBox.Show("请确保您的电脑已经安装Excel", "提示信息", MessageBoxButtons.OK, MessageBoxIcon.Error);                return;            }            try            {                Excel.Range range;                long totalCount = dt.Rows.Count;                long rowRead = 0;                float percent = 0;                worksheet.Cells[1, 1] = frm.Text;//导出的标题                worksheet.get_Range(worksheet.Cells[1, 1], worksheet.Cells[1, dt.]).MergeCells = true; //合并单元格---列数                worksheet.get_Range(worksheet.Cells[1, 1], worksheet.Cells[1, 3]).HorizontalAlignment = Excel.XlVAlign.xlVAlignCenter;//居中对齐                worksheet.get_Range(worksheet.Cells[1, 3], worksheet.Cells[1, 3]).ColumnWidth = 15;     //列宽                worksheet.get_Range(worksheet.Cells[1, 2], worksheet.Cells[1, 2]).ColumnWidth = 15;     //列宽                worksheet.get_Range(worksheet.Cells[1, 1], worksheet.Cells[1, 1]).ColumnWidth = 20;     //列宽                //写入字段                 for (int i = 0; i < dt.Columns.Count; i++)                {                    worksheet.Cells[2, i + 1] = dt.Columns[i].ColumnName;                    range = (Excel.Range)worksheet.Cells[2, i + 1];                    range.Interior.ColorIndex = 15;                    range.Font.Bold = true;                }                //写入数值                for (int r = 0; r < dt.Rows.Count; r++)                {                    for (int i = 0; i < dt.Columns.Count; i++)                    {                        worksheet.Cells[r + 3, i + 1] = dt.Rows[r][i];                    }                    rowRead++;                    percent = ((float)(100 * rowRead)) / totalCount;                    //System.Threading.Thread.Sleep(500);                    //如果字的数量过多则自动换行。worksheet.Cells[r+1, 4]为worksheet.Cells[行, 列]                    worksheet.get_Range(worksheet.Cells[r + 3, 4], worksheet.Cells[r + 1, 4]).Columns.WrapText = true;     //自动换行                    worksheet.get_Range(worksheet.Cells[r + 3, 4], worksheet.Cells[r + 3, 4]).Rows.AutoFit(); //自动加行高                    //this.Text = "导出数据[" + percent.ToString("0.00") + "%]...";                }                range = worksheet.get_Range(worksheet.Cells[2, 1], worksheet.Cells[dt.Rows.Count + 2, dt.Columns.Count]);                range.BorderAround(Excel.XlLineStyle.xlContinuous, Excel.XlBorderWeight.xlThin, Excel.XlColorIndex.xlColorIndexAutomatic, null);                range.Borders[Excel.XlBordersIndex.xlInsideHorizontal].ColorIndex = Excel.XlColorIndex.xlColorIndexAutomatic;                range.Borders[Excel.XlBordersIndex.xlInsideHorizontal].LineStyle = Excel.XlLineStyle.xlContinuous;                range.Borders[Excel.XlBordersIndex.xlInsideHorizontal].Weight = Excel.XlBorderWeight.xlThin;                if (dt.Columns.Count > 1)                {                    range.Borders[Excel.XlBordersIndex.xlInsideVertical].ColorIndex = Excel.XlColorIndex.xlColorIndexAutomatic;                    range.Borders[Excel.XlBordersIndex.xlInsideVertical].LineStyle = Excel.XlLineStyle.xlContinuous;                    range.Borders[Excel.XlBordersIndex.xlInsideVertical].Weight = Excel.XlBorderWeight.xlThin;                }                xlApp.Visible = true;            }            catch            {                MessageBox.Show("到出Excel失败！", "提示信息", MessageBoxButtons.OK, MessageBoxIcon.Error);            }            finally            {                System.Runtime.InteropServices.Marshal.ReleaseComObject(worksheet);                System.Runtime.InteropServices.Marshal.ReleaseComObject(workbook);                System.Runtime.InteropServices.Marshal.ReleaseComObject(workbooks);                System.Runtime.InteropServices.Marshal.ReleaseComObject(xlApp);                //KillProcess("Excel");                 GC.Collect();//强行销毁                      }        }