1. Use mysql2access to convert Mysql to Access, and import Access file with SQL Server Enterprise Manager.
2. Change the field properties in all data tables to NText to Text
3, write class_db_mssql.php, actually to copy the file of MySQL, replace mySQL for MSSQL, then change the error prompt function to MSSQL_GET_LAST_MESSAGE ()
4. Remove the low_property in the driver (Updateu statement)
5, proper TRIM () processing on the field information taken from the database
