using System; using System.Collections.Generic; using System.Text; using System.Data; using System.Windows.Forms; using System.Reflection;namespace DMS { /// <summary> /// C#操作Excel類 /// </summary> class ExcelOperate { //法一 //public bool DataSetToExcel(DataSet dataSet, bool isShowExcle) //{ // DataTable dataTable = dataSet.Tables[0]; // int rowNumber = dataTable.Rows.Count; // int columnNumber = dataTable.Columns.Count;// if (rowNumber == 0) // { // MessageBox.Show("沒有任何數(shù)據(jù)可以導(dǎo)入到Excel文件！"); // return false; // }// //建立Excel對象 // Microsoft.Office.Interop.Excel.Application excel = new Microsoft.Office.Interop.Excel.Application(); // excel.Application.Workbooks.Add(true); // excel.Visible = isShowExcle;//是否打開該Excel文件// //填充數(shù)據(jù) // for (int c = 0; c < rowNumber; c++) // { // for (int j = 0; j < columnNumber; j++) // { // excel.Cells[c + 1, j + 1] = dataTable.Rows[c].ItemArray[j]; // } // }// return true; //}//法二 //public bool DataSetToExcel(DataSet dataSet, bool isShowExcle) //{ // DataTable dataTable = dataSet.Tables[0]; // int rowNumber = dataTable.Rows.Count;// int rowIndex = 1; // int colIndex = 0;// if (rowNumber == 0) // { // return false; // }// //建立Excel對象 // Microsoft.Office.Interop.Excel.Application excel = new Microsoft.Office.Interop.Excel.Application(); // excel.Application.Workbooks.Add(true); // excel.Visible = isShowExcle;// //生成字段名稱 // foreach (DataColumn col in dataTable.Columns) // { // colIndex++; // excel.Cells[1, colIndex] = col.ColumnName; // }// //填充數(shù)據(jù) // foreach (DataRow row in dataTable.Rows) // { // rowIndex++; // colIndex = 0; // foreach (DataColumn col in dataTable.Columns) // { // colIndex++; // excel.Cells[rowIndex, colIndex] = row[col.ColumnName]; // } // }// return true; //}//法三（速度最快） /// <summary> /// 將數(shù)據(jù)集中的數(shù)據(jù)導(dǎo)出到EXCEL文件 /// </summary> /// <param name="dataSet">輸入數(shù)據(jù)集</param> /// <param name="isShowExcle">是否顯示該EXCEL文件</param> /// <returns></returns> public bool DataSetToExcel(DataSet dataSet, bool isShowExcle) { DataTable dataTable = dataSet.Tables[0]; int rowNumber = dataTable.Rows.Count;//不包括字段名 int columnNumber = dataTable.Columns.Count; int colIndex = 0;if (rowNumber == 0) { return false; }//建立Excel對象 Microsoft.Office.Interop.Excel.Application excel = new Microsoft.Office.Interop.Excel.Application(); //excel.Application.Workbooks.Add(true); Microsoft.Office.Interop.Excel.Workbook workbook = excel.Workbooks.Add(Microsoft.Office.Interop.Excel.XlWBATemplate.xlWBATWorksheet); Microsoft.Office.Interop.Excel.Worksheet worksheet = (Microsoft.Office.Interop.Excel.Worksheet)workbook.Worksheets[1]; excel.Visible = isShowExcle; //Microsoft.Office.Interop.Excel.Worksheet worksheet = (Microsoft.Office.Interop.Excel.Worksheet)excel.Worksheets[1]; Microsoft.Office.Interop.Excel.Range range;//生成字段名稱 foreach (DataColumn col in dataTable.Columns) { colIndex++; excel.Cells[1, colIndex] = col.ColumnName; }object[,] objData = new object[rowNumber, columnNumber]; for (int r = 0; r < rowNumber; r++) { for (int c = 0; c < columnNumber; c++) { objData[r, c] = dataTable.Rows[r][c]; } //Application.DoEvents(); }// 寫入Excel range = worksheet.get_Range(excel.Cells[2, 1], excel.Cells[rowNumber + 1, columnNumber]); //range.NumberFormat = "@";//設(shè)置單元格為文本格式 range.Value2 = objData; worksheet.get_Range(excel.Cells[2, 1], excel.Cells[rowNumber + 1, 1]).NumberFormat = "yyyy-m-d h:mm";return true; }//法四 //public bool DataSetToExcel(DataSet dataSet, bool isShowExcle) //{ // DataTable dataTable = dataSet.Tables[0]; // int rowNumber = dataTable.Rows.Count; // int columnNumber = dataTable.Columns.Count; // String stringBuffer = "";// if (rowNumber == 0) // { // MessageBox.Show("沒有任何數(shù)據(jù)可以導(dǎo)入到Excel文件！"); // return false; // }// //建立Excel對象 // Microsoft.Office.Interop.Excel.Application excel = new Microsoft.Office.Interop.Excel.Application(); // excel.Application.Workbooks.Add(true); // excel.Visible = isShowExcle;//是否打開該Excel文件// //填充數(shù)據(jù) // for (int i = 0; i < rowNumber; i++) // { // for (int j = 0; j < columnNumber; j++) // { // stringBuffer += dataTable.Rows[i].ItemArray[j].ToString(); // if (j < columnNumber - 1) // { // stringBuffer += "\t"; // } // } // stringBuffer += "\n"; // } // Clipboard.Clear(); // Clipboard.SetDataObject(stringBuffer); // ((Microsoft.Office.Interop.Excel.Range)excel.Cells[1, 1]).Select(); // ((Microsoft.Office.Interop.Excel.Worksheet)excel.ActiveWorkbook.ActiveSheet).Paste(Missing.Value, Missing.Value); // Clipboard.Clear();// return true; //}//public bool DataSetToExcel(DataSet dataSet, string fileName, bool isShowExcle) //{ // DataTable dataTable = dataSet.Tables[0]; // int rowNumber = dataTable.Rows.Count; // int columnNumber = dataTable.Columns.Count;// if (rowNumber == 0) // { // MessageBox.Show("沒有任何數(shù)據(jù)可以導(dǎo)入到Excel文件！"); // return false; // }// //建立Excel對象 // Microsoft.Office.Interop.Excel.Application excel = new Microsoft.Office.Interop.Excel.Application(); // Microsoft.Office.Interop.Excel.Workbook workBook = excel.Application.Workbooks.Add(true); // excel.Visible = false;//是否打開該Excel文件// //填充數(shù)據(jù) // for (int i = 0; i < rowNumber; i++) // { // for (int j = 0; j < columnNumber; j++) // { // excel.Cells[i + 1, j + 1] = dataTable.Rows[i].ItemArray[j]; // } // }// //string fileName = path + "\\" + DateTime.Now.ToString().Replace(':', '_') + ".xls"; // workBook.SaveAs(fileName, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Microsoft.Office.Interop.Excel.XlSaveAsAccessMode.xlNoChange, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value);// try // { // workBook.Saved = true; // excel.UserControl = false; // //excelapp.Quit(); // } // catch (Exception exception) // { // MessageBox.Show(exception.Message); // } // finally // { // workBook.Close(Microsoft.Office.Interop.Excel.XlSaveAction.xlSaveChanges, Missing.Value, Missing.Value); // excel.Quit(); // }// if (isShowExcle) // { // System.Diagnostics.Process.Start(fileName); // } // return true; //}//public bool DataSetToExcel(DataSet dataSet, string fileName, bool isShowExcle) //{ // DataTable dataTable = dataSet.Tables[0]; // int rowNumber = dataTable.Rows.Count;//不包括字段名 // int columnNumber = dataTable.Columns.Count; // int colIndex = 0;// if (rowNumber == 0) // { // MessageBox.Show("沒有任何數(shù)據(jù)可以導(dǎo)入到Excel文件！"); // return false; // }// //建立Excel對象 // Microsoft.Office.Interop.Excel.Application excel = new Microsoft.Office.Interop.Excel.Application(); // //excel.Application.Workbooks.Add(true); // Microsoft.Office.Interop.Excel.Workbook workbook = excel.Workbooks.Add(Microsoft.Office.Interop.Excel.XlWBATemplate.xlWBATWorksheet); // Microsoft.Office.Interop.Excel.Worksheet worksheet = (Microsoft.Office.Interop.Excel.Worksheet)workbook.Worksheets[1]; // excel.Visible = isShowExcle; // //Microsoft.Office.Interop.Excel.Worksheet worksheet = (Microsoft.Office.Interop.Excel.Worksheet)excel.Worksheets[1]; // worksheet.Name = "撓度數(shù)據(jù)"; // Microsoft.Office.Interop.Excel.Range range;// //生成字段名稱 // foreach (DataColumn col in dataTable.Columns) // { // colIndex++; // excel.Cells[1, colIndex] = col.ColumnName; // }// object[,] objData = new object[rowNumber, columnNumber];// for (int r = 0; r < rowNumber; r++) // { // for (int c = 0; c < columnNumber; c++) // { // objData[r, c] = dataTable.Rows[r][c]; // } // //Application.DoEvents(); // }// // 寫入Excel // range = worksheet.get_Range(excel.Cells[2, 1], excel.Cells[rowNumber + 1, columnNumber]); // //range.NumberFormat = "@";//設(shè)置單元格為文本格式 // range.Value2 = objData; // worksheet.get_Range(excel.Cells[2, 1], excel.Cells[rowNumber + 1, 1]).NumberFormat = "yyyy-m-d h:mm";// //string fileName = path + "\\" + DateTime.Now.ToString().Replace(':', '_') + ".xls"; // workbook.SaveAs(fileName, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Microsoft.Office.Interop.Excel.XlSaveAsAccessMode.xlNoChange, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value);// try // { // workbook.Saved = true; // excel.UserControl = false; // //excelapp.Quit(); // } // catch (Exception exception) // { // MessageBox.Show(exception.Message); // } // finally // { // workbook.Close(Microsoft.Office.Interop.Excel.XlSaveAction.xlSaveChanges, Missing.Value, Missing.Value); // excel.Quit(); // }// //if (isShowExcle) // //{ // // System.Diagnostics.Process.Start(fileName); // //} // return true; //}/// <summary> /// 將數(shù)據(jù)集中的數(shù)據(jù)保存到EXCEL文件 /// </summary> /// <param name="dataSet">輸入數(shù)據(jù)集</param> /// <param name="fileName">保存EXCEL文件的絕對路徑名</param> /// <param name="isShowExcle">是否打開EXCEL文件</param> /// <returns></returns> public bool DataSetToExcel(DataSet dataSet, string fileName, bool isShowExcle) { DataTable dataTable = dataSet.Tables[0]; int rowNumber = dataTable.Rows.Count;//不包括字段名 int columnNumber = dataTable.Columns.Count; int colIndex = 0;if (rowNumber == 0) { MessageBox.Show("沒有任何數(shù)據(jù)可以導(dǎo)入到Excel文件！"); return false; }//建立Excel對象 Microsoft.Office.Interop.Excel.Application excel = new Microsoft.Office.Interop.Excel.Application(); //excel.Application.Workbooks.Add(true); Microsoft.Office.Interop.Excel.Workbook workbook = excel.Workbooks.Add(Microsoft.Office.Interop.Excel.XlWBATemplate.xlWBATWorksheet); Microsoft.Office.Interop.Excel.Worksheet worksheet = (Microsoft.Office.Interop.Excel.Worksheet)workbook.Worksheets[1]; excel.Visible = false; //Microsoft.Office.Interop.Excel.Worksheet worksheet = (Microsoft.Office.Interop.Excel.Worksheet)excel.Worksheets[1]; Microsoft.Office.Interop.Excel.Range range;//生成字段名稱 foreach (DataColumn col in dataTable.Columns) { colIndex++; excel.Cells[1, colIndex] = col.ColumnName; }object[,] objData = new object[rowNumber, columnNumber]; for (int r = 0; r < rowNumber; r++) { for (int c = 0; c < columnNumber; c++) { objData[r, c] = dataTable.Rows[r][c]; } //Application.DoEvents(); }// 寫入Excel range = worksheet.get_Range(excel.Cells[2, 1], excel.Cells[rowNumber + 1, columnNumber]); //range.NumberFormat = "@";//設(shè)置單元格為文本格式 range.Value2 = objData; worksheet.get_Range(excel.Cells[2, 1], excel.Cells[rowNumber + 1, 1]).NumberFormat = "yyyy-m-d h:mm";//string fileName = path + "\\" + DateTime.Now.ToString().Replace(':', '_') + ".xls"; workbook.SaveAs(fileName, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Microsoft.Office.Interop.Excel.XlSaveAsAccessMode.xlNoChange, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value);try { workbook.Saved = true; excel.UserControl = false; //excelapp.Quit(); } catch (Exception exception) { MessageBox.Show(exception.Message); } finally { workbook.Close(Microsoft.Office.Interop.Excel.XlSaveAction.xlSaveChanges, Missing.Value, Missing.Value); excel.Quit(); }if (isShowExcle) { System.Diagnostics.Process.Start(fileName); } return true; } } }

?

總結(jié)

以上是生活随笔為你收集整理的C#导出EXCEL的几种方法的全部內(nèi)容，希望文章能夠幫你解決所遇到的問題。

如果覺得生活随笔網(wǎng)站內(nèi)容還不錯，歡迎將生活随笔推薦給好友。