C#在C/S下如何将DataGridView导出Word或Excel?
C#在C/S下如何将DataGridView导出Word或Excel?

本人新手，最好有详细代码，谢谢！

[解决办法]
using Excel;

在项目中引入Excel.dll

C# code

/// <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                      }        } 
 
[解决办法]
public static bool ExportForDataGridview(DataGridView gridView, string fileName, bool isShowExcle)  
       {  
           Microsoft.Office.Interop.Excel.Application app = new Microsoft.Office.Interop.Excel.Application();  
           try  
           {  
               if (app == null)  
               {  
                   return false;  
               }  
              
               app.Visible = isShowExcle;  
               Workbooks workbooks = app.Workbooks;  
               _Workbook workbook = workbooks.Add(XlWBATemplate.xlWBATWorksheet);  
               Sheets sheets = workbook.Worksheets;  
               _Worksheet worksheet = (_Worksheet)sheets.get_Item(1);  
               if (worksheet == null)  
               {  
                   return false;  
               }  
               string sLen = "";  
               char H = (char)(64 + gridView.ColumnCount / 26);  
               char L = (char)(64 + gridView.ColumnCount % 26);  
               if (gridView.ColumnCount < 26)  
               {  
                   sLen = L.ToString();  
               }  
               else  
               {  
                   sLen = H.ToString() + L.ToString();  
               }  
               string sTmp = sLen + "1";  
               Range ranCaption = worksheet.get_Range(sTmp, "A1");  
               string[] asCaption = new string[gridView.ColumnCount];  
               for (int i = 0; i < gridView.ColumnCount; i++)  
               {  
                   asCaption[i] = gridView.Columns[i].HeaderText;  
               }  
               ranCaption.Value2 = asCaption;  
               object[] obj = new object[gridView.Columns.Count];  
               for (int r = 0; r < gridView.RowCount - 1; r++)  
               {  
                   for (int l = 0; l < gridView.Columns.Count; l++)  
                   {  
                       if (gridView[l, r].ValueType == typeof(DateTime))  
                       {  
                           obj[l] = gridView[l, r].Value.ToString();  
                       }  
                       else  
                       {  
                           obj[l] = gridView[l, r].Value;  
                       }  
                   }  
                   string cell1 = sLen + ((int)(r + 2)).ToString();  
                   string cell2 = "A" + ((int)(r + 2)).ToString();  
                   Range ran = worksheet.get_Range(cell1, cell2);  
                   ran.Value2 = obj;  
               }  
               workbook.SaveCopyAs(fileName);  
               workbook.Saved = true;  
           }  
           finally  
           {  
               app.UserControl = false;  
               app.Quit();  
           }  
           return true;  

       }  
       private void SaveAs()  
       {  
           SaveFileDialog saveFileDialog = new SaveFileDialog();  
           saveFileDialog.Filter = "Execl files (*.xls)|*.xls";  
           saveFileDialog.FilterIndex = 0;  
           saveFileDialog.RestoreDirectory = true;  
           saveFileDialog.CreatePrompt = true  
           saveFileDialog.Title = "";  
           saveFileDialog.ShowDialog();  
           Stream myStream;   
 
           myStream = saveFileDialog.OpenFile();  
           StreamWriter sw = new StreamWriter(myStream, System.Text.Encoding.GetEncoding(-0));  
           string str = "";  
           try  
           {  

               for (int i = 0; i < dgv.ColumnCount; i++)  
               {  
                   if (i > 0)  
                   {  
                       str += "\t";  
                   }  
                   str += dgv.Columns[i].HeaderText;  
               }  
               sw.WriteLine(str);  
               for (int j = 0; j < dgvAgeWeekSex.Rows.Count; j++)  
               {  
                   string tempStr = "";  
                   for (int k = 0; k < dgv.Columns.Count; k++)  
                   {  
                       if (k > 0)  

                       {  
                           tempStr += "\t";  
                       }  
                       tempStr += dgv.Rows[j].Cells[k].Value.ToString();  
                   }  
                   sw.WriteLine(tempStr);                   
               }  
               sw.Close();  
               myStream.Close();  
           }  
           catch (Exception e)  
           {  
               MessageBox.Show(e.ToString());  
           }  
           finally  
           {  
               sw.Close();  
               myStream.Close();  
           }         

     }  

 Excel.Application myexcel = new Excel.Application();
   Excel.Workbook mybook = default(Excel.Workbook);
   Excel.Worksheet mysheet = default(Excel.Worksheet);
   mybook = myexcel.Workbooks.Add("ExcelFilename");
   mysheet = mybook.Worksheets("sheet1");
   mysheet.Activate();
   mysheet.Range("A1").Select();
   DataGridView.SelectAll();
   System.Windows.Forms.DataObject t = new System.Windows.Forms.DataObject();
   t = dv.GetClipboardContent();
   System.Windows.Forms.Clipboard.SetDataObject(t);
   mysheet.PasteSpecial(Format = "文本", Link = false, DisplayAsIcon = false);