图片上传（在textarea中显示）

protected void btnupload_Click(object sender, EventArgs e)        {                        if (File1.PostedFile.ContentType.ToUpper().IndexOf("IMAGE") > -1)            {                System.Drawing.Image img = System.Drawing.Image.FromStream(File1.PostedFile.InputStream);                int Width = img.Width;                int Height = img.Height;                if (Width > 60 || Height > 60 || File1.PostedFile.ContentLength > 1024 * 1024 * 2)                {                                        Label3.Text = "温馨提示：你上传的头像尺寸不符合要求，请重新选择图片（图片大小：60*60）！";                }                else                {                    string sPath = Server.MapPath(System.DateTime.Now.ToString("yyy-MM-dd") + Session.SessionID + ".jpg");                    this.File1.PostedFile.SaveAs(sPath);

                    Label3.Text = "恭喜你，头像上传成功！";                }              }            else            {                Response.Write("请选择图片文件!");            }

            string filename = this.File1.PostedFile.FileName;

            filename = DateTime.Now.Ticks.ToString() + filename.Substring(filename.LastIndexOf("."));            this.File1.PostedFile.SaveAs(Server.MapPath("upload") + "\\" + filename);

            // Page.ClientScript.RegisterStartupScript(this.GetType(), "asdf", "alert('您上传的图片太大了')", true);

            StringBuilder sb = new StringBuilder();                       content1.InnerHtml += sb.Append("<img src=\"upload/" + filename + "\" />").ToString();        }

转载于:https://www.cnblogs.com/qzc900809/archive/2013/05/20/3089588.html

相关资源：数据结构—成绩单生成器