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Often, as part of some programming operation, it is necessary to iterate over part or all of a foundset. There are several approaches to iterating, each having their appropriate usage. General a Javascript for or while statement is used to control the flow of execution.
Changing the Selected Index
Perhaps the most intuitive approach is to programmatically change the foundset's selected index property.
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See also the JSFoundset's setSelectedIndex method. |
Accessing a Record Object
While setting the selected index of the foundset is sometimes necessary, it also contains some overhead and therefore is not always the most efficient way to iterate over a foundset. However, one can iterate in a similar manner, access a record object without changing the selected index of a foundset by using the getRecord method of the foundset.
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| Note |
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See also the JSFoundset's getRecord method |
Accessing Data Provider Values as an Array
Sometimes the purpose of iterating over a foundset is to access all of the values for a particular data provider. The most efficient way to do this is to obtain an array of values for the foundset's data provider using the getFoundSetDataProviderAsArray method of the databaseManager API.
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