privatevoid button1_Click(object sender, EventArgs e){object objApp;object objBook;object objBooks;object objSheets;object objSheet;object objRange;object objCells;object[] Parameters;try{// 获取Excel类型并建立其实例                Type objExcelType = Type.GetTypeFromProgID("Excel.Application");if (objExcelType ==null){return;}objApp = Activator.CreateInstance(objExcelType);if (objApp ==null){return;}//获取Workbook集                objBooks = objApp.GetType().InvokeMember("Workbooks", BindingFlags.GetProperty, null, objApp, null);//添加一个新的Workbook                objBook = objBooks.GetType().InvokeMember("Add", BindingFlags.InvokeMethod, null, objBooks, null);//获取Sheet集                objSheets = objBook.GetType().InvokeMember("Worksheets", BindingFlags.GetProperty, null, objBook, null);//获取第一个Sheet对象                Parameters =new Object[1] { 1 };objSheet = objSheets.GetType().InvokeMember("Item", BindingFlags.GetProperty, null, objSheets, Parameters);try{//获取操作范围for (int i =1; i <100; i++){Parameters =new Object[2] { 1, i };objCells = objSheet.GetType().InvokeMember("Cells", BindingFlags.GetProperty, null, objSheet, Parameters);//向指定单元格填写内容值                        Parameters =new Object[1] { "Hello, World!" };objCells.GetType().InvokeMember("Value", BindingFlags.SetProperty, null, objCells, Parameters);}}catch (Exception operException){MessageBox.Show(operException.Message);}finally{//不提示保存                    Parameters =new Object[1] { false };objApp.GetType().InvokeMember("DisplayAlerts", BindingFlags.SetProperty, null, objApp, Parameters);//保存文件并退出                    Parameters =new Object[1] { @"D:\a.xls" };objBook.GetType().InvokeMember("SaveAs", BindingFlags.InvokeMethod, null, objBook, Parameters);objApp.GetType().InvokeMember("Quit", BindingFlags.InvokeMethod, null, objApp, null);GC.Collect();}}catch (Exception theException){String errorMessage;errorMessage ="Error: ";errorMessage = String.Concat(errorMessage, theException.Message);errorMessage = String.Concat(errorMessage, " Line: ");errorMessage = String.Concat(errorMessage, theException.Source);MessageBox.Show(errorMessage, "Error");}}