ASP.NETÖеÄͼƬÉÏ´«

protected void Button3_Click(object sender, EventArgs e)
    {
        //¶¨Òå±äÁ¿,ÅжÏÊÇ·ñÓÐͼƬÉÏ´«
        bool fileIsValid = false;
        //Èç¹ûÓÐͼƬÉÏ´«,ÅжÏÆä¸ñʽ
        if (this.FileUpload1.HasFile)
        {
            int len = this.FileUpload1.PostedFile.ContentLength;
            if (len / 1024 > 60)
            {
                this.Label1.Text = "ͼƬ̫´óÁË";
                return;
            }
            else
            {
                string type = this.FileUpload1.PostedFile.ContentType;
                if (type == "image/pjpeg")
                {
                    fileIsValid = true;
                }
                else
                {
             &nbs