Implement No Series Quick And Easy

Add piece of code of the Primary Key Field(The field you want to effect No series on)

Add No Series Field to the Table where you want to Effect the No Series

Create Two Functions, as High Lighted, Can copy from T-18 Customer,

 but remember to edit by adding the right record on the Local variables

 Create Two Variable, one of record type -Setup Table(in this case Sales & Receivales) and the other of Codeunit - NoSeriesMagement

Create No Series From a No Series Page and Pick it in the Setup- in this Case - Sales & Receivables Setup

Link No series Filed u created to the Table -308- No Series Table through Table Relation

If all Done Correctly All should be work, by clicking the Next field on the Page 

Add Code to OnInsert Trigger of Table on Which u want to Effect No Series