CRM4.0读取附件文本文件

 

  string sql = "select top 1 Documentbody from Annotation where ObjectId like '%" + thePrintTempalteGuid.ToString() + "%' and MimeType like '%htm%' order by CreatedOn desc";

                    DataTable theAnnotation = new BaseSql().ExecuteReturnDataTable(sql);

                    if (theAnnotation.Rows.Count < 1)

                    {

                        ClientScript.RegisterStartupScript(this.GetType(), "nofile", "<script>alert('没有在打印模板中找到指定的模板，请将模板文件以附件形式上传到打印模板！');top.close();</script>");

                        return;

                    }

                    byte[] theHtmlFile = Convert.FromBase64String(theAnnotation.Rows[0]["DocumentBody"].ToString());

                    MemoryStream stream = new MemoryStream(theHtmlFile, 0, theHtmlFile.Length);

                    //从内存流里面将文件内容读出来

                    StreamReader reader = new StreamReader(stream, System.Text.Encoding.Default);

                    string theFileContext = reader.ReadToEnd();