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This class performs a lookup of values in a field to populate a combobox.
| Category | Data Query |
|---|---|
|
Default Catalog |
VisualВ FoxProВ Catalog\FoundationВ Classes\DataВ Query |
|
Class |
_cbolookup |
|
Base Class |
ComboBox |
|
Class Library |
_dataquery.vcx |
|
Parent Class |
_combobox |
|
Sample |
...\Samples\Solution\Ffc\datalook2.scx |
Remarks
To use, drop the class on a project or form or, from the Component Gallery Item shortcut menu, select Add to Form. When you add the class to a form, Visual FoxPro opens a builder so you can specify the appropriate Lookup_table, Order_column, Display_column, and Return_column values. When you drop the class on a project, you can choose between adding the class or creating a subclass.
| Properties, Events, Methods | Description |
|---|---|
|
Display_column property |
Specifies the column value from the Lookup_table to display in the drop-down list. Default: "" |
|
Lookup_table property |
Specifies the table in which to find the column containing the values to display in the drop down list. Default: "" |
|
Return_column property |
Specifies the column value (0, 1 or 2) to return to the Value property of the combo box. Default: "" |
|
Order_column property |
Specifies the column to order the records displayed in the drop down list (optional). Default: "" |