CRM 2011: Custom Workflow Activity Output Parameters don´t show - dynamics-crm-2011

Question

everyone,
I'm having a problem that does not appear in the output parameter list on the right side under "Look for" underneath "Local Values", I do not understand the problem or reason for not appear, since in terms of input parameters's okay.
protected override void Execute(CodeActivityContext executionContext)
{
ITracingService tracingService = executionContext.GetExtension<ITracingService>();
//Create the context
IWorkflowContext context = executionContext.GetExtension<IWorkflowContext>();
IOrganizationServiceFactory serviceFactory = executionContext.GetExtension<IOrganizationServiceFactory>();
IOrganizationService service = serviceFactory.CreateOrganizationService(context.UserId);
tracingService.Trace("Creating Account");
Account entity = new Account();
entity.Name = AccountName.Get<string>(executionContext);
Guid entityId = service.Create(entity);
string a = entity.Name;
AccountNameTest.Set(executionContext, a);
tracingService.Trace("Account created with Id {0}", entityId.ToString());
tracingService.Trace("Create a task for the account");
Task newTask = new Task();
newTask.Subject = TaskSubject.Get<string>(executionContext);
newTask.RegardingObjectId = new EntityReference(Account.EntityLogicalName, entityId);
Guid taskId = service.Create(newTask);
tracingService.Trace("Task has been created");
tracingService.Trace("Retrieve the task using QueryByAttribute");
QueryByAttribute query = new QueryByAttribute();
query.Attributes.AddRange(new string[] { "regardingobjectid" });
query.ColumnSet = new ColumnSet(new string[] { "subject" });
query.EntityName = Task.EntityLogicalName;
query.Values.AddRange(new object[] { entityId });
tracingService.Trace("Executing the Query for entity {0}", query.EntityName);
//Execute using a request to test the OOB (XRM) message contracts
RetrieveMultipleRequest request = new RetrieveMultipleRequest();
request.Query = query;
Collection<Entity> entityList = ((RetrieveMultipleResponse)service.Execute(request)).EntityCollection.Entities;
//Execute a request from the CRM message assembly
tracingService.Trace("Executing a WhoAmIRequest");
service.Execute(new WhoAmIRequest());
if (1 != entityList.Count)
{
tracingService.Trace("The entity list was too long");
throw new InvalidPluginExecutionException("Query did not execute correctly");
}
else
{
tracingService.Trace("Casting the Task from RetrieveMultiple to strong type");
Task retrievedTask = (Task)entityList[0];
if (retrievedTask.ActivityId != taskId)
{
throw new InvalidPluginExecutionException("Incorrect task was retrieved");
}
tracingService.Trace("Retrieving the entity from IOrganizationService");
//Retrieve the task using Retrieve
retrievedTask = (Task)service.Retrieve(Task.EntityLogicalName, retrievedTask.Id, new ColumnSet("subject"));
if (!string.Equals(newTask.Subject, retrievedTask.Subject, StringComparison.Ordinal))
{
throw new InvalidPluginExecutionException("Task's subject did not get retrieved correctly");
}
//Update the task
retrievedTask.Subject = UpdatedTaskSubject.Get<string>(executionContext);
service.Update(retrievedTask);
}
}
//
[Input("Name conta")]
[Default("testv01")]
public InArgument<string> AccountName { get; set; }
[Input("Task")]
[Default("testv01")]
public InArgument<string> TaskSubject { get; set; }
[Input("Update task")]
[Default("testUPDATED:v01}")]
public InArgument<string> UpdatedTaskSubject { get; set; }
[Output("Account ID Guid")]
[Default("testUPDATED:v01")]
public OutArgument<string> AccountNameTest { get; set; }

Answer 1

Ok, problem solved, just restart IIS to assume the fields, or through version change. The problem was the update of the plugin, this also happens with workflows. According to CRM 4.0 i realized this situation does not happen in CRM 4.0.

Answer 2

Even though this Question is already answered I wanted to share two Cases where this solution didn't work (even in a recent Version of CRM):
Case 1
Having choosen Input-Parameter-Names that contained german Umlauts (äöüß).
IIS-restart did not help.
Choosing Names without Umlauts solved the Problem for me.
Case 2
We recently also had a case where a normal In-Argument did not show up, even after restarting the entire Maschine CRM was running on. The Solution was not to obvious:
Open PluginRegistrationTool from SDK
Choose the Assembly that contains your CWA
Choose your CWA
Hit the Save-Button in the Properties-Tab of your CWA