Custom fields in Custom workflow

By using custom workflow , i will make Auto-numbering in CRM 4.0 .


I have created a readonly field on Account entity” new_auto” to hold the “Guid” of

Account. As GUID is always unique , so there is no question about it being duplication. We can use prefix whatever we want.  As one can see AC- (GUID). I will use cutom workflow to obtain the GUID of entity when it is created and then update the entity with the prefix+ GUID.






using System;

using System.ComponentModel;

using System.ComponentModel.Design;

using System.Collections;

using System.Drawing;

using System.Workflow.ComponentModel.Compiler;

using System.Workflow.ComponentModel.Serialization;

using System.Workflow.ComponentModel;

using System.Workflow.ComponentModel.Design;

using System.Workflow.Runtime;

using System.Workflow.Activities;

using System.Workflow.Activities.Rules;

using Microsoft.Crm.Sdk;

using Microsoft.Crm.SdkTypeProxy;

using Microsoft.Crm.Workflow;

using Microsoft.Crm.Workflow.Activities;

using Microsoft.Crm.Sdk.Query;


namespace Number


      [CrmWorkflowActivity(“OneTest”, “AccountNumber”)]


    public partial class Activity1 : SequenceActivity



        protected override ActivityExecutionStatus Execute(ActivityExecutionContext executionContext)




            IContextService contextService = (IContextService)executionContext.GetService(typeof(IContextService));


            IWorkflowContext context = contextService.Context;


      ICrmService crmService = context.CreateCrmService();


      WhoAmIRequest systemUserRequest = new WhoAmIRequest();


      WhoAmIResponse systemUser = (WhoAmIResponse)crmService.Execute(systemUserRequest);


      ColumnSet cols = new ColumnSet();

 //Getting the ID of entity which unqiue itself


      Guid guidID = new Guid(this.objectID.Value.ToString());


          // i am using “AC” before GUID.This field will hold the GUID of account


      string Number  = “AC-=” + guidID;


      TargetRetrieveAccount target = new TargetRetrieveAccount();


      target.EntityId = guidID;

      RetrieveRequest getAccount = new RetrieveRequest();


      getAccount.ReturnDynamicEntities = true;


      getAccount.Target = target;


      getAccount.ColumnSet = new AllColumns();


      RetrieveResponse retrieved = (RetrieveResponse)crmService.Execute(getAccount);


      DynamicEntity regardingAccount = (DynamicEntity)retrieved.BusinessEntity;

 //i am using custom field to hold the value of “GUID” .


      if (regardingAccount.Properties.Contains(“new_auto”))



          regardingAccount.Properties[“new_auto”] = Number;







          regardingAccount.Properties.Add(new StringProperty(“new_auto”, Number));






           return ActivityExecutionStatus.Closed;





        public static DependencyProperty objectIDProperty = DependencyProperty.Register(“objectID”, typeof(Lookup), typeof(Activity1));




        [CrmInput(” objectID”)]




       // [CrmReferenceTarget(“automatic.crm.new_audit”)]

       // public.automatic.crm.Lookup


        public Lookup  objectID






                return (Lookup)base.GetValue(objectIDProperty);







                base.SetValue(objectIDProperty, value);







Finally we need to publish the workflow using developer tool and then calling the assembly from workflow.



10 Responses to “Custom fields in Custom workflow”

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    So how would I do the same for a custom entity, not a system entity?

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  1. 1 Retrieve Custom Fields | keyongtech Trackback on January 18, 2009 at 5:23 pm

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