Getting a null when trying to access DateTime fields (that I've added) from my work item

Question

I'm getting a null when trying to access (custom) DateTime fields from my work item.
I've got a customized work item with 'extra' string and datetime fields.
<FieldDefinition name="Design Version" refname="XXX.DesignVersion" type="String" reportable="dimension" />
<FieldDefinition name="Date Closed" refname="XXX.DateClosed" type="DateTime" reportable="dimension" />
This code fails:
WorkItem workItem = workItemStore.GetWorkItem(workItemId);
var tt1 = workItem["XXX.DesignVersion"];//works
var tt3 = workItem["XXX.DateClosed"]; //tt3 == null, fails also for html fields
Any idea what's up? thanks

Answer 1

Hi TimB,  
Thanks for your post.
What’s the version of your TFS?
If you open this work item in VS, there’s no date value in your Date Closed field? Please try below code snippet:
if (wr.Fields["XXX.DateClosed"].Value
== null)
Console.WriteLine(wr.Fields["XXX.DateClosed"].Value);
else
Console.WriteLine(wr.Fields["XXX.DateClosed"].Value);
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