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Liquid error: Object of type 'System.DateTime' cannot be converted to type 'System.String'.

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Posted on by Siddique mahsud

I'm trying to get birthDate (and other date fields) of the portal user(contact) in liquid in a content snippet, it give me the error "Liquid error: Object of type 'System.DateTime' cannot be converted to type 'System.String'."

var firstname="{{ user.firstname }}";
var lastname="{{ user.lastname }}";
var birthdate="{{ user.birthdate | string }}"; //"{{ user.birthdate }}";
</script>

firstname and lastname works fine.

Any help?

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Power Apps portals

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OOlashyn 3,496 Most Valuable Professional on at

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Hi @siddiqueMahsud,

If you would like to convert datetime to a specific format check this official doc regarding available datetime filters.

var date = "{{ now | date: 'MMM dd, yyyy' }}"; // output Sep 09, 2021

If you just want to print that value to use as a string you don't need any additional filter and this code will work just fine:

// this will be a string var birthdate="{{ user.birthdate }}";

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Siddique mahsud 11 on at

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thank you OOlashyn for your response, seems like there is some issue with my portal, as I'm used the same as you mentioned but not working.

I just simply need the birthdate, no matter what is the format.

My sample code:

Output:

Also, I used like below:

var birthdate="{{ user.birthdate }}"; alert(birthdate);

and got below in alert:

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Eduardo_Garcia 5 on at

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I'm getting the same issue out of nowhere. Any ideas?

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H V 1,510 on at

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Hi @siddiqueMahsud & @Eduardo_Garcia

Can you please try below code:
{% assign birthDate = user.birthdate %} {{ birthDate }}

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Eduardo_Garcia 5 on at

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Thanks, but it doesn't work. It seems like the latest portal update broke parsing of boolean and datetime for the user object.

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