Compartir a través de


QBF Foundation Class

This class provides a button set for Query-By-Form querying.

Category

Data Query

Default Catalog

Visual FoxPro Catalog\Foundation Classes\Data Query

Class

_qbf

Base Class

Container

Class Library

_dataquery.vcx

Parent Class

_container

Sample

...\Samples\Solution\Forms\qbf.scx

Remarks

To use, drop the class on a project or form or, from the Component Gallery Item shortcut menu, select Add to Project or Add to Form. When you add the class to a form, Visual FoxPro places the QBF command buttons on the form. You can then specify the appropriate property values and provide any necessary input and output objects. When you drop the class on a project, you can choose between adding the class or creating a subclass.

Properties, Events, Methods

Description

QBF_Table property

Specifies the table on which to run the query.

Default: ""

ParseCondition( )method

Specifies a filter based on a query.

Syntax: ParseCondition(cCondition, cControlSource)

Return: lcRetCondition

Arguments: cControlSource specifies the data bound to the control.cCondition specifies the query expression.

See Also

Concepts

Guidelines for Using Visual FoxPro Foundation Classes

Reference

Visual FoxPro Foundation Classes A-Z

Other Resources

Foundation Class Samples