态调用Excel避免因为版本不同而使用程序无法编辑或调试

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");
            }
        }