July 12, 1999

Submitting Forms to Different Pages

An HTML form usually looks like this: where you have to specify the action within the Form tag, thus limiting a “post” method to only one destination. However, the JavaScript form object has an “action” property that lets you dynamically change the destination of a “post” method. This is helpful,

Undeleting Records from Paradox Tables

Question: How can I undelete a record from a Paradox table? Answer: You can’t. Period. When you delete a record from a Paradox table, its space still exists, but its data does not. This is in contrast to dBASE tables which merely remove the reference to a record to be

Changing Label Captions in a FOR Loop (Follow-up)

Question: In your answer to my previously posted topic, “Changing label captions in FOR loop,” you suggested I use “Sleep.” When I used it, the loop slowed down but didn’t display anything on my form. It looks like the number i increases by one and sleeps for 200 milliseconds again

Lowercase E-mail Addresses are the Standard

Question: I’m working on a company intranet and need to predefine the ?subject and ?body in an e-mail link. When I do, the text always defaults to lowercase. Is there any way around this? Answer: By convention, lowercase is used with e-mail addresses. You will want to strongly consider using

What is New in Visual Foxpro 6.0

Question: I have been developing software in Foxpro 2.5 for DOS for many years. I have just bought a licensed VFP 6.0, I want to know what is new in comparison to Foxpro 2.5. Answer: This is a short list of some new features: There is no need to create

BDE Engine Error When Installing Delphi 3

Question: I used InstallShield that comes with Delphi 3 to install a Delphi 3 program on another user’s computer running Windows 98. The install includes the full BDE and two Paradox tables. When I try to run the program, I get an EDB Engine Error saying unknown database alias: DEFAULTDD.

How to Prevent Corrupt Indexes

Question: How do I prevent corrupt indexes or automate the rebuilding of corrupt indexes? Answer: Prevent corrupt indexes by taking steps to prevent the crash of an application: 1. Consider using uninteruptable power supplies. 2. Defragment drives periodically. 3. Make sure that there are enough file handles on your network.

Passing Collections Between ASP Pages

Question: I am generating Active Server Pages using Visual InterDev and VBScript. I have fetched all my records from the database through my ActiveX DLL into a collection variable. Can I pass my whole collection to some other ASP so that it will minimize the trip to the server? A

Determine Which Controls are on a Form

Question: Is there a simple way to ascertain the names of all the controls on a particular form at run time? Answer: Every TComponent descendant has two properties, ComponentCount and Components, that you can use to get a lot of information from your forms. For example, drop a bunch of

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