【原】将datagridview里的数据导出到excel（一）

哥本哈根

private   void  ExportExcel( string  fileName, DataGridView myDGV)
        {
             string  saveFileName  =   "" ;
             // bool fileSaved = false;
            SaveFileDialog saveDialog  =   new  SaveFileDialog();
            saveDialog.DefaultExt  =   " xls " ;
            saveDialog.Filter  =   " Excel文件|*.xls " ;
            saveDialog.FileName  =  fileName;
            saveDialog.ShowDialog();
            saveFileName  =  saveDialog.FileName;
             if  (saveFileName.IndexOf( " : " )  <   0 )  return ;  // 被点了取消
            Microsoft.Office.Interop.Excel.Application xlApp  =   new  Microsoft.Office.Interop.Excel.Application();
             if  (xlApp  ==   null )
            {
                MessageBox.Show( " 无法创建Excel对象，可能您的机子未安装Excel " );
                 return ;
            }

            Microsoft.Office.Interop.Excel.Workbooks workbooks  =  xlApp.Workbooks;
            Microsoft.Office.Interop.Excel.Workbook workbook  =  workbooks.Add(Microsoft.Office.Interop.Excel.XlWBATemplate.xlWBATWorksheet);
            Microsoft.Office.Interop.Excel.Worksheet worksheet  =  (Microsoft.Office.Interop.Excel.Worksheet)workbook.Worksheets[ 1 ]; // 取得 sheet1

             // 写入标题
             for  ( int  i  =   0 ; i  <  myDGV.ColumnCount; i ++ )
            {
                worksheet.Cells[ 1 , i  +   1 ]  =  myDGV.Columns[i].HeaderText;
                worksheet.get_Range(worksheet.Cells[ 1 ,  1 ], worksheet.Cells[ 1 , i  +   1 ]).Font.Bold  =   true ;
            }
             // 写入数值
             for  ( int  r  =   0 ; r  <  myDGV.Rows.Count; r ++ )
            {
                 for  ( int  i  =   0 ; i  <  myDGV.ColumnCount; i ++ )
                {
                    worksheet.Cells[r  +   2 , i  +   1 ]  =  myDGV.Rows[r].Cells[i].Value;
                }
                System.Windows.Forms.Application.DoEvents();
            }
             if  (saveFileName  !=   "" )
            {
                 try
                {
                    workbook.Saved  =   true ;
                    workbook.SaveCopyAs(saveFileName);
                }
                 catch  (Exception ex)
                {
                    MessageBox.Show( " 导出文件时出错,文件可能正被打开！\n "   +  ex.Message);
                }

            }

            xlApp.Quit();
            GC.Collect(); // 强行销毁
             //  if (fileSaved && System.IO.File.Exists(saveFileName)) System.Diagnostics.Process.Start(saveFileName);  // 打开EXCEL
            MessageBox.Show(fileName  +   " 保存成功 " ,  " 提示 " , MessageBoxButtons.OK);
        }