EasyTable: Single-File Embedded BDE Replacement
Database for Delphi and C++Builder


Occurs when an application attempts to modify or insert a record and an exception is raised.

type TDataSetErrorEvent = procedure(DataSet: TDataSet; E: EDatabaseError; var Action: TDataAction) of object;
property OnEditError: TDataSetErrorEvent;

Write an OnEditError event handler to handle exceptions that occur when an attempt to edit a record fails.

DataSet is the dataset that failed in editing a record. E is a pointer to the database error object that contains the exception error message so that an application can display an error message. Action indicates how the dataset should respond to the error.

When the OnEditError event handler is first invoked, Action is always set to daFail. If the error handler can correct the error condition that caused the handler to be invoked, set Action to daRetry before exiting the handler. When Action is daRetry, the edit operation is tried again. If an error condition cannot be corrected, the display of the error message can be suppressed, if desired, by setting Action to daAbort instead of daFail.

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