1. Both Lookup are on same entity // tes.new_testonlookups= test.new_testonlookup;
2 using EntityRefrence if the Process include more than 2 Entities.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Runtime.Serialization;
using System.ServiceModel;
using Microsoft.Xrm.Client;
using Microsoft.Xrm.Portal;
using Microsoft.Xrm.Sdk;
using Microsoft.Xrm.Sdk.Query;
namespace ClassLibrary2
{
public class Class1 : IPlugin
{
public void Execute(IServiceProvider serviceProvider)
{
IPluginExecutionContext context = (IPluginExecutionContext)
serviceProvider.GetService(typeof(IPluginExecutionContext));
IOrganizationServiceFactory serviceFactory = (IOrganizationServiceFactory)serviceProvider.GetService(typeof(IOrganizationServiceFactory));
IOrganizationService service = serviceFactory.CreateOrganizationService(context.UserId);
// retrive record data/value on which plugin firing
new_calculate test = (new_calculate)service.Retrieve(new_calculate.EntityLogicalName, context.PrimaryEntityId, new ColumnSet(true));
// r contain Guid of the look up
Guid r = test.new_testonlookup.Id;
// retrive fields from 2nd entity where wants to copy the string
new_testto tes = new new_testto();
tes.new_name = test.new_name;
// reff1 Cantain Reffrence of lookup with guid r
EntityReference reff1 = new EntityReference(new_teston.EntityLogicalName, r);
tes.new_testonlookups = reff1;
// tes.new_testonlookups= test.new_testonlookup; ( we can copy one look up to another lookup of same entity directlly )
service.Create(tes);
}
}
}
SOURCE : JUST2CODE.IN
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