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This method can be invoked by using a script in the PreWriteRecord event to retrieve an old field value if needed. This invoke method takes an input parameter, which must be a valid field name, and returns a string containing the old field value.
In the PreWriteRecord event, this method can be used to put the business component into a mode where the current record refreshes from the data source after the write operation. EBCs typically use this method to refresh database sequencing column values on new record operations. This invoke method takes an input parameter of TRUE or FALSE.
In the WriteRecord event, this method informs the object manager that the write operation to the data source is processed by using a script rather than a database connector. At the end of the operation, the business component invoke method, SetRequeryOnWriteFlag, can be invoked again with the FALSE parameter to reset the requery on write mode, if needed.
var extWrite = this.InvokeMethod("SetRequeryOnWriteFlag", "TRUE");
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