[Overview][Constants][Classes][Index] Reference for unit 'memds' (#fcl)

MDSError

[Properties (by Name)] [Methods (by Name)] [Events (by Name)]

Exception raised for errors when reading or writing an in-memory dataset

Declaration

Source position: memds.pp line 47

type MDSError = class(Exception)

Inheritance

MDSError

  

Exception raised for errors when reading or writing an in-memory dataset

|

Exception

|

TObject

Description

MDSError is an Exception type raised when an error occurs while reading or writing values for an in-memory dataset. MDSError is raised in the TMemDataset.RaiseError method and uses messages defined in resource strings in the implementation for the unit, including:

An MDSError exception will be raised when a field definition uses a data type not supported in TMemDataset. The exception will be raised for the following field types:

See also

TMemDataset.FieldDefs

  

Definitions of available fields in the underlying database

TField.DataType

  

The data type of the field.


Documentation generated on: Jun 23 2021