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Download user manual - Instant Developer Documentation
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Andrea Maioli – Instant Developer: User's Guide Lookup query used to calculate data related to that of master fields In this case, it is unusual for the search mechanism to also be enabled. However it may be used in conjunction with the OnGetSmartLookup event to modify the data rather than searching for it. 4.3.4 Value source query function Value source queries have arisen as a complementary mechanism to lookup queries, which in the past had only the task of decoding. A value source query is contained within a master field of the panel, and represents the source of possible values, hence the name. When a value source query is activated, it opens a combo box from which the desired value can be selected. A value source query typically has two columns: the first is the code to be displayed in the field; the second is the corresponding description. A value source query lists the possible product suppliers 134
