PreImage and PostImage

 Plugin Code for Pre Image and Post Image:

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

using Microsoft.Xrm.Sdk;

using Microsoft.Xrm.Tooling;


namespace CheckImageQuery

{

    public class checkImage : IPlugin

    {

        public void Execute(IServiceProvider serviceProvider)

        {

            IPluginExecutionContext context = (IPluginExecutionContext)serviceProvider.GetService(typeof(IPluginExecutionContext));

            IOrganizationServiceFactory factory = (IOrganizationServiceFactory)serviceProvider.GetService(typeof(IOrganizationServiceFactory));

            IOrganizationService service = factory.CreateOrganizationService(context.UserId);

            ITracingService tracing = (ITracingService)serviceProvider.GetService(typeof(ITracingService));


            if (context.InputParameters.Contains("Target") && context.InputParameters["Target"] is Entity)

            {

                try

                {

                    if (context.Depth == 1)

                    {

                        Entity entity = (Entity)context.InputParameters["Target"];


                        Entity preImage = (Entity)context.PreEntityImages["preImagee"];

                        Entity postImage = (Entity)context.PostEntityImages["PostImage"];


                        string preContactImage = preImage.GetAttributeValue<string>("telephone1");

                        string postContactImage = postImage.GetAttributeValue<string>("telephone1");                     


                        tracing.Trace("Pre-image phone number: {0} ", preContactImage);

                        tracing.Trace("Post-image number: {0}", postContactImage);

                    }

                }

                catch(InvalidPluginExecutionException ex)

                {

                    throw new InvalidPluginExecutionException(ex.Message.ToString());

                }

               

            }


                                               *(or)*

             // 

            //if (context.InputParameters.Contains("Target") && context.InputParameters["Target"] is Entity)

            //{

            //    try

            //    {

            //        if (context.Depth == 1)

            //        {


            //            Entity entity = (Entity)context.InputParameters["Target"];


            //            Entity preImage = (Entity)context.PreEntityImages["preImagee"];

            //            Entity postImage = (Entity)context.PostEntityImages["PostImage"];



            //            Entity updateContact = new Entity("contact");

            //            updateContact.Id = entity.Id;

            //            updateContact["mobilephone"] = preImage.Attributes["telephone1"];

            //            updateContact["fax"] = postImage.Attributes["telephone1"];

            //            service.Update(updateContact);

            //        }

            //    }

            //    catch (InvalidPluginExecutionException ex)

            //    {

            //        throw new InvalidPluginExecutionException(ex.Message.ToString());

            //    }

            //}


        }

    }

}


Follow the YouTube Link To Get Clarity : https://youtu.be/BNpqbt8NDhw?si=JMLV1fOHE1ZUpzoQ

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