palleagermark: Validate dialog input in the Business Operation Framework

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Источник: http://palleagermark.blogspot.com/20...-business.html
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A number of good community articles have been written on the new Business Operation Framework (BOF) in Microsoft Dynamics AX 2012, for example these series:

• From RunBase to SysOperation: Business Operation Framework
• From RunBase to SysOperation: Business Operation Framework (Cont'd)
• AX 2012: SysOperation introduction

And then there is of course MSDN.

However the documentation from Microsoft in this area currently is not yet comprehensive, so here is my first article on a small area of the framework.

If you need to validate the input of the dialog for a data contract, you need to add code to the data contract. Your data contract must implement the SysOperationValidatable interface:
[DataContractAttribute]
public class BOFDataContractA implements SysOperationValidatable
{
int parmIntProperty;
str parmStrProperty;
}And you need to add the validate method of the interface:
public boolean validate()
{
if (this.parmIntProperty()