TP2WDataElementMapper
TP2WDataElementMapper turns any HTML element into a database-aware control.
Properties
property |
description |
DataSet |
any TDataSet-descendant component |
Links |
one or more TDataElementLinks |
Methods
method |
description |
Refresh |
forces all the HTML elements to query the database and update themselves. there is probably never a good reason to call Refresh because TP2WDataElementMapper is designed to update the HTML elements automatically, but it is there should you ever need it. |
TDataElementLink
property |
description |
DataField |
dataset field name for this link |
ID |
ID (or name) of the HTML element to hook up your database with |
Enabled |
True if this link is active, otherwise False |
Options |
please see: TDataElementLinkOptions |
event |
description |
OnValidate |
fired when a HTML element is about to update the database. from here, you can modify the string value or prevent the update from happening altogether. |
TDataElementLinkOptions
option |
description |
deReadOnly |
determines if the link works both ways (from HTML element to database and vice versa), or if the HTML element cannot update the database. |
deRequired |
determines if the HTML element cannot be empty in order to update the database, or if empty strings are allowed. |