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Contents
Preface

Overview
Installation Guide
Quick Start & Tours
Sample ODBC & JDBC Applications
Conceptual Overview
Administration
Data Access Interfaces
SQL Reference
SQL Procedure Language Guide
Database Event Hooks
Data Replication, Synchronization and Transformation Services
Web Application Development
XML Support
RDF Data Access and Data Management
Web Services
Runtime Hosting
Internet Services
Free Text Search
TPC C Benchmark Kit
Using Virtuoso with Tuxedo
Appendix
Virtuoso Functions Guide

key

A key value of the vspx:form of type 'update'.
< key name (optional) column (required) value (required) default (optional) xsd-stub-xhtml (optional) width (optional) height (optional) debug-srcfile (optional) debug-srcline (optional) debug-log (optional) />
Description

This control defines a key value of the vspx:form of type 'update'. All the vspx:key children together should select one or zero rows from the table. Controls inside the form will process fields of this selected row.

Attributes
name = SqlName

Not used

column = SqlName

Name of the column in the table to be updated. This may be either the name of a primary key column or an other column, as long as the selection specified by all vspx:key children of the vspx:form is unambiguous.

value = CalculateableValue

The value of the key field referred to by the 'column' attribute.

default = CalculateableValue

The default value to be used when the 'value' expression returns NULL.

xsd-stub-xhtml

This attribute is for internal use only. It has no effect if added to the source VSPX file.

width

Visible width of the control when it is displayed in WYSIWYG tools when the source VSPX text is edited. The value of this attribute will not be used when the resulting HTML is rendered.

height

Visible width of the control when it is displayed in WYSIWYG tools when the source VSPX text is edited. The value of this attribute will not be used when the resulting HTML is rendered.

debug-srcfile

URI of the source document where the tag comes from.

debug-srcline

Line number in the source document where the tag comes from.

debug-log

This defines what sort of data are saved to the debugging log.