dynamics-crm-2011,updates,options , Crm 2011/2015 set select to null

Crm 2011/2015 set select to null


Tag: dynamics-crm-2011,updates,options

I have on a page an option set that has been valorized with a value. I would like to update this value and set it to null.

I am trying in this way

Crm.Context.Account myAccount = new Crm.Context.Account();
myAccount.Id = "1af43...";
myAccount.Name = "bla bla bla";
myAccount.psw1_TipoSoc= null;

OrganizationRequest request = new UpdateRequest { Target = myAccount };


ExecuteMultipleResponse responses = (ExecuteMultipleResponse)this._context.Execute(requests);

foreach (var responseItem in responses.Responses)
    if (responseItem.Fault != null)
         //TODO: Error policy
             responseItem.RequestIndex, responseItem.Fault);

Crm.Context.Account is an entity that has been generated when I run this command:

CrmSvcUtil.exe /codeCustomization:"Microsoft.Xrm.Client.CodeGeneration.CodeCustomization, Microsoft.Xrm.Client.CodeGeneration" ...

The type of psw1_TipoSoc is int? I thought that the update didn't work... but If I edit the name everything works correctly.. even if I update the name of account and the type of society... But when I go on my CRM the value of the OptionSet is still the old value...

enter image description here

I would like to set the first option, with no value... If I set another value it work, but not if i set to null..

How can I solve?

Thank you


SOLVED: It must be set to -1; not to null...


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