topic Re: How to change a relationship from 1-1 to 1-M in ArcObjects SDK Questions https://community.esri.com/t5/arcobjects-sdk-questions/how-to-change-a-relationship-from-1-1-to-1-m/m-p/554895#M15025 <HTML><HEAD></HEAD><BODY><P>After some research, it looks like the easiest way to change from 1-1 to 1-M is to delete and re-create the relationship class.</P></BODY></HTML> Wed, 24 May 2017 20:23:48 GMT TheodoreRakel 2017-05-24T20:23:48Z How to change a relationship from 1-1 to 1-M https://community.esri.com/t5/arcobjects-sdk-questions/how-to-change-a-relationship-from-1-1-to-1-m/m-p/554894#M15024 <HTML><HEAD></HEAD><BODY><P>I'm using arc gis 10.2.1. &nbsp;Is there &nbsp;a programmatic way to change a relationship from 1-1 to 1-M? &nbsp;I found the interface&nbsp;IRelClassSchemaEdit, which allows me to change the labels on the relationship, but not the cardinality. &nbsp;I don't want to have to drop the relationship in arc catalog and recreate if there's a programmatic&nbsp;way to change it, either in c# or in python.</P></BODY></HTML> Tue, 23 May 2017 20:58:18 GMT https://community.esri.com/t5/arcobjects-sdk-questions/how-to-change-a-relationship-from-1-1-to-1-m/m-p/554894#M15024 TheodoreRakel 2017-05-23T20:58:18Z Re: How to change a relationship from 1-1 to 1-M https://community.esri.com/t5/arcobjects-sdk-questions/how-to-change-a-relationship-from-1-1-to-1-m/m-p/554895#M15025 <HTML><HEAD></HEAD><BODY><P>After some research, it looks like the easiest way to change from 1-1 to 1-M is to delete and re-create the relationship class.</P></BODY></HTML> Wed, 24 May 2017 20:23:48 GMT https://community.esri.com/t5/arcobjects-sdk-questions/how-to-change-a-relationship-from-1-1-to-1-m/m-p/554895#M15025 TheodoreRakel 2017-05-24T20:23:48Z