FileUpload控件的使用

 string name = this.FileUpload1.FileName;
        string size = FileUpload1.PostedFile.ContentLength.ToString();
        string type = FileUpload1.PostedFile.ContentType;
        string type2 = name.Substring(name.LastIndexOf(".") + 1);
        string ipath = Server.MapPath("upimg") + "\\" + name;
        string fpath = Server.MapPath("upfile") + "\\" + name;
        string wpath = "upimg\\" + name;
        if (type2 == "jpg" || type2 == "gif" || type2 == "bmp" || type2 == "png")
        {
            FileUpload1.SaveAs(ipath);
            Image1.ImageUrl = wpath;
            Label1.Text = "Your load file is " + name + "<br>size is:" + size + "byte<br>file style is:" + type + "<br>ext name is :" + type2 + "<br>fac path is :" + ipath + "<br> vir path is:" + wpath;
        }
        else
        {
            Image1.Visible = false;
            FileUpload1.SaveAs(fpath);
            Label1.Text = "Your load file is " + name + "<br>size is:" + size + "byte<br>file style is:" + type + "<br>ext name is :" + type2 + "<br>fac path is :" + ipath + "<br> vir path is:" + wpath;
        }