Xbasic

FIELD.TAG_GET Function

Syntax

Index_Expression as C = Tag_Get()

Description

If the field is indexed, return the tagname, else return an empty string.

Discussion

The .TAG_GET() method returns the Index_Expression for the field, if it is indexed.

Example 

This example shows that the Product_Id field is indexed on its value.

dim tbl as P
dim fld as P
tbl = table.open("invoice.set")
fld = tbl.field_get("INVOICE_ITEMS->PRODUCT_ID")
? fld.tag_get()
= "Product_Id"

See Also