这是我做的一个简单的文件上传程序，报错  “ 将截断字符串或二进制数据。语句已终止”
if (FileUpload1.PostedFile.FileName == "")
            {
                Response.Write("<script language=javascript>alert('上传文件不允许为空!')</scrpit>");
               
            }
            else
            {
               
                //string ss;//ss = System.DateTime.Now.ToString().Replace("-", "").Replace(" ", "").Replace(":", "") + Path.GetExtension(FileUpload1.PostedFile.FileName);
                string filepath = FileUpload1.PostedFile.FileName;
                string filename = filepath.Substring(filepath.LastIndexOf("\\")+1);
                string fileextend = filepath.Substring(filepath.LastIndexOf(".") + 1).ToLower();
                string serverpath = Server.MapPath("up/")+filename;
                FileUpload1.PostedFile.SaveAs(serverpath);
                SqlConnection con = new SqlConnection("server=.;database=pubs;uid=sa;pwd=;");
                con.Open();
                string sqlstr = "insert into files([name],fileload) values ('"+filename+"','"+serverpath+"')";
                //SqlCommand cmd = new SqlCommand("insert into files(name,fileload) values ('" + filename + "," + serverpath + "')", con);
                SqlCommand cmd=new SqlCommand(sqlstr,con);
                cmd.ExecuteNonQuery();//在这地方报错
                con.Close();
                Response.Write("<script language=javascript>alert('上传文件成功!')</script>");
            }
        }