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Determines the tab order of the weblet on the form. The tab_index property value determines the tab order as follows:
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- Objects with a positive tab_index are selected in increasing tab_index order (and in source order to resolve duplicates).
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- Objects with a tab_index of zero or blank (the default) are selected in source order.
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- Objects with a negative tab_index are omitted from the tabbing order.
Default value
Blank. The weblet is selected in source order.
Valid values
Blank or a valid numeric value.