defines the required column interface for a DataSource. These are the only messages that the Datasource is allowed to send to column objects. We expect this object to be a child of the column object and therefore we just delegate these messages.
Construct_Object()
			
pbInOnChange
Validating()
			
bCancel
InitialValue()
			
sValue
UpdateDataToExternalSource(String sValue Integer iUpdateFlag Integer iFlags)
			
DataType()
			
eType
NotifySelectedRowChanged(String sOldValue String sValue)
			
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| cCJGridDataSource.pkg | 2 | 
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