saveFileDialog  用法 

#region saveFileDialog的实现            {                //string localFilePath, fileNameExt, newFileName, FilePath;                  string localFilePath = String.Empty;                SaveFileDialog saveFileDialog1 = new SaveFileDialog();                //设置文件类型                  saveFileDialog1.Filter = " xls files(*.xls)|*.txt|All files(*.*)|*.*";                //设置文件名称：                saveFileDialog1.FileName = DateTime.Now.ToString("yyyyMMdd") + "-" + "资产信息报表.xls";                //设置默认文件类型显示顺序                  saveFileDialog1.FilterIndex = 2;                //保存对话框是否记忆上次打开的目录                  saveFileDialog1.RestoreDirectory = true;                //点了保存按钮进入                  if (saveFileDialog1.ShowDialog() == DialogResult.OK)                {                    //获得文件路径                      localFilePath = saveFileDialog1.FileName.ToString();                    //string filname = this.openFileDialog2.FileName;                    //获取文件名，不带路径                      //fileNameExt = localFilePath.Substring(localFilePath.LastIndexOf("\\") + 1);                      //获取文件路径，不带文件名                      //FilePath = localFilePath.Substring(0, localFilePath.LastIndexOf("\\"));                      //给文件名前加上时间                      //newFileName = DateTime.Now.ToString("yyyyMMdd") + fileNameExt;                      //在文件名里加字符                      //saveFileDialog1.FileName.Insert(1,"dameng");                      //System.IO.FileStream fs = (System.IO.FileStream)saveFileDialog1.OpenFile();//输出文件                      //fs输出带文字或图片的文件，就看需求了                  }                           }

openFileDialog 用法：

#region openFileDialog保存的用法            {                //string filname = this.openFileDialog2.FileName;                //// 设置根在桌面SpecialFolder                //fbdSelectFolder.RootFolder = Environment.SpecialFolder.Desktop;                //// 设置当前选择的路径                //fbdSelectFolder.SelectedPath = "C:\\";                //// 允许在对话框中包括一个新建目录的按钮                //fbdSelectFolder.ShowNewFolderButton = true;                //// 设置对话框的说明信息                //fbdSelectFolder.Description = "请选择输出目录";                //string selectPath = "资产信息报表";                //if (fbdSelectFolder.ShowDialog() == DialogResult.OK)                //{                //    // 在此添加代码                //    selectPath = fbdSelectFolder.SelectedPath;                //}            }            #endregion