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Unable to get lookup values

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Posted on by Community Member Microsoft Employee

I have an entity named as Car, in this entity I have a contact lookup field where I can select contact.

Now my requirement to develop a plugin which will execute on Create at PreOperation Stage.

This plugin should get all the fields from contact entity of against selected contact.

Code which I tried so far

string fullname = ((EntityReference)entity["taqi_checkoutcontact"]).Name;

When I debug this code it give Name as null.

also I'm able to get values of all fields other then lookup

Can someone please help.

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Community Member Microsoft Employee on at

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RE: Unable to get lookup values

Thank you for your reply.

I was able to get the value by query.

Thanks
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Kokulan 18,048 on at

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RE: Unable to get lookup values

Could you make sure, on the Check Out Contact record, the taqi_name field has value. if this is not set, you might get null.

Instead of this : string fullname = ((EntityReference)entity["taqi_checkoutcontact"]).Name; you could try string fullname = entity[""].GetAttributeValue<EntityReference>("taqi_checkoutcontact").Name;

If you are still having the issue after making sure the name field has value, you could actually query and get the value

var ER= (EntityReference)entity["taqi_checkoutcontact"]);

Entity entitydetails = service.Retrieve(ER.LogicalName,ER.Id, new ColumnSet("taqi_name"));

string name =entitydetails.GetAttributeValue<String>("taqi_name");
Community Member Microsoft Employee on at

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RE: Unable to get lookup values

Thanks Kokulan for your reply

I just verified taqi_checkoutcontact is marked in select Attribute window

But still using the above code, I'm getting NULL although I'm getting it's Id

Thanks
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Kokulan 18,048 on at

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RE: Unable to get lookup values

Hi

Please make sure the taqi_checkoutcontact field is ticked in your entity image registration

If it says all attributes then it should be passed, but if it lists few attributes, then you will have to select the contact lookup field as well for it to be passed to plugin

You can check this using Plugin Registration tool