Page History
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See also the Database Manager's saveData and getFailedRecords methods, as well as the exception property of the JSRecord |
Rolling Back Data Changes
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See also the Database Manager's rollbackEditedRecords method, as well as the rollbackChanges method of the JSRecord. |
What about Deleting Records?
It is important to note that record deletes are not part of the In-Memory transaction. When a record is deleted, the instructions are sent to the database immediately and the delete cannot be rolled back.
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See also the deleteRecord method of the JSFoundset. |
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for(var i = 1; i <= foundset.getSize(); i++){
foundset.setSelectedIndex(i);
// operate on the selected record
}
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See also the JSFoundset's setSelectedIndex method. |
Accessing a Record Object
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for(var i = 1; i <= foundset.getSize(); i++){
var rec = foundset.getRecord(i); // does not affect the selected index
}
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See also the JSFoundset's getRecord method |
Accessing Data Provider Values as an Array
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var ids = databaseManager.getFoundSetDataProviderAsArray(foundset,'order_id');
for(i in ids){
var id = ids[i];
}
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See also the JSFoundset's getFoundSetDataProviderAsArray method |
Related Foundsets
Foundsets are often constrained or filtered by a Relation. In this situation, the foundset is said to be a Related Foundset and its default SQL query will include in its Where Clause, the parameters by which to constrain the foundset.
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A Foundset may be automatically updated when the client receives a Data Broadcast Event . If the data change affected the table to which the foundset is bound, the foundset will be refreshed to reflect the change.
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Find mode can be programmatically cancelled by invoking the loadAllRecords method of the foundset. The foundset will revert to the query prior to entering find mode.
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