Dynamics 365 for Finance and Operations Development Cookbook - Fourth Edition

How to do it...

Carry out the following steps in order to complete this recipe:

1. Create a new project, UsingNumberSeqhandler, create a new extension class CustGroup_Extension for the CustGroup form, and add the following code snippet to its class declaration:

        public NumberSeqFormHandler numberSeqFormHandler; 

2. Also, create a new method called numberSeqFormHandler() in the same class:

        public NumberSeqFormHandler numberSeqFormHandler() 
       {  
          if (!numberSeqFormHandler) 
        {   
           numberSeqFormHandler = NumberSeqFormHandler::newForm( 
                                 CustParameters::numRefCustGroupId().NumberSequenceId,           this,this.CustGroup_ds,fieldNum(CustGroup,CustGroup));    
        } 
          return numberSeqFormHandler; 
       }

3. To override the CustGroup data source's create() method, copy the OnCreating ...