Duplicate Validation for Portal Form

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Posted on by Community Member Microsoft Employee

Hi,

I am trying to add validations for a field in the web forms where it shouldn't allow email address duplication in the system. I am not sure how to add the validation. Can someone help me with this?

//Email Validator
            var emailValidator = document.createElement('span');
            emailValidator.style.display = "none";
            emailValidator.id = "emailaddressValidator";
            emailValidator.controltovalidate = "emailaddress1";
            emailValidator.errormessage = "The email you have entered is already in the system. PLease enter a different email address.";
			emailValidator.validationGroup = ""; // Set this if you have set ValidationGroup on the form
            emailValidator.initialvalue = "";
            emailValidator.evaluationfunction = function() {
                // only require email address if preferred contact method is email.
                if ($("#emailaddress1").val() == (NOT SURE HOW TO READ CRM DATA IN HERE)) {
                    return false;
                } else {
                    return true;
                }
            };

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Community Member Microsoft Employee on at

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RE: Duplicate Validation for Portal Form

If you could, can you help me with one more aspect of this problem

community.dynamics.com/.../display-plugin-error-in-the-middle-of-portal-page
Community Member Microsoft Employee on at

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RE: Duplicate Validation for Portal Form

Thank you very much Roohi. This was very helpful.
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Inogic 24,094 on at

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RE: Duplicate Validation for Portal Form

Hi Harsha,

The ideal solution for restricting the duplicate emails in the system is to write a plugin that will run on the server-side and restricts the user if an email address already exists in the system.

To allow plugin validation messages to be visible in the portal form, you need to create a Site Setting called: Site/EnableCustomPluginError and set the value as True.

Hope this helps!