David Botton created GNATCOM project to help Ada interoperate with Windows COM Object. The GWindows project is based on GNATCOM. It is used to create Windows Graphics User Interface.
The database package is a subset of the GWindows project. It is very easy and useful.
- David Botton
- Project Info
- Library Document
- SVN Archive
with Gnatcom.Initialize; with Gnatcom.Types; with Gnatcom.Variant; with Gwindows.Databases; use Gwindows.Databases; with Ada.Text_IO; use Ada.Text_IO; with Ada.Strings; with Ada.Strings.Fixed; with Ada.Exceptions; with System; procedure Test is Connection : Database_Type; Recordset : Recordset_Type; customer : Gnatcom.Types.Variant; begin Gnatcom.Initialize.Initialize_Com; -- make connection Open (Connection, "DSN=Northwind","your ID","your password"); -- make Recordset(ResultSet) Open (Recordset, Connection, "SELECT * from Orders", Dynamic, Optimistic); -- start to process your business solution while not Eof (Recordset) loop customer := Field_Value(Recordset,"customerId"); Process (customer); -- your customer procedure Move_Next (Recordset); end loop; -- release database resource Gwindows.Databases.Close(Recordset); end Test;
Ada Reference Manual
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