devxlogo

May 29, 1997

OPO and stored procedure parameters

Question: Stored procedure on WG7.3 Oracle expects three parameters. I can get OPO 2.0 to pass the params if I cite them literally as, for example, exec sql begin addnewperson(‘John’,’Quincy’,’Doe’);

Datawindow bands problem

Question: Occasionally I have found that after creating an executable, the bands in some of my datawindows have been repositioned to the top of that particular datawindow, causing a blank

Connecting to Oracle

Question: I have been trying to connect to our Oracle General Ledger Version 10.SC from PB5 Ent. I am accessing it from my PC running Win95 and a database that

Field-level and interfield validations

Question: Field-level validations should be done when the user visits the field. How can this be done?Interfield validations on the same screen also should be done when the user visits

OPO 2.0 and mathematic operations

Question: Yesterday I received a description for a reality problem I must represent in my OPO-database application. It concerns the drinking water supply for a city, and the staff of

Pop-up list problems

Question: Why can’t I put a simple piece of code in the click event for a list box and have it execute? Also, how can I choose a value from

Referencing instances of classes

Question: How do classes communicate? If class A created one or more instances of class B and class C, how can class A keep track of all the instances of