Server Validators


                        
        
            Survey.StylesManager.applyTheme("bootstrap");
            Survey.defaultBootstrapCss.navigationButton = "btn btn-green";
        

//assign call to onServerValidateQuestions callback
function surveyValidateQuestion(survey, options) {
    //options.data contains the data for the current page.
    var countryName = options.data["country"];
    //If the question is empty then do nothing
    if (!countryName) {
        options.complete();
        return;
    }
    //call the ajax method
    $.ajax({url: "https://surveyjs.io/api/CountriesExample?name=" + countryName}).then(function (data) {
        var found = data.length > 0;
        //if the country is unknown, add the error
        if (!found) options.errors["country"] = "The country name '" + countryName +"' is not in this list: https://surveyjs.io/api/CountriesExample";
        //tell survey that we are done with the server validation
        options.complete();
    });
}

                
                    var json = {
  "elements": [
    {
      "type": "text",
      "name": "country",
      "title": "Type a country:"
    }
  ]
};

                    window.survey = new Survey.Model(json);
                
        
            survey.onComplete.add(function(sender) {
            document.querySelector('#surveyResult').textContent =
            "Result JSON:\n" + JSON.stringify(sender.data, null, 3);
            });
        
survey
    .onServerValidateQuestions
    .add(surveyValidateQuestion);        
            var app = new Vue({
            el: '#surveyElement',
            data:
            {
            survey: survey
            }
            });

<!DOCTYPE html>
<html lang="en">
<head>
    <title>Server Validators, Vue Survey Library Example</title>
    
<meta name="viewport" content="width=device-width" />
    <script src="https://unpkg.com/jquery"></script>
    <script src="https://unpkg.com/vue@2.6.14/dist/vue.js"></script>
    <script src="/DevBuilds/survey-core/survey.core.min.js"></script>
    <script src="/DevBuilds/survey-core/survey.i18n.min.js"></script>
    <script src="/DevBuilds/survey-vue-ui/survey-vue-ui.min.js"></script>
    <link rel="stylesheet" href="https://unpkg.com/bootstrap@3.3.7/dist/css/bootstrap.min.css">
    <link rel="stylesheet" href="./index.css">

</head>
<body style="margin: 0">
    
            <div id="surveyElement" style="display:inline-block;width:100%;">
                <survey :survey='survey' />
            </div>
    <div id="surveyResult"></div>

<script type="text/javascript" src="./index.js"></script>

</body>
</html>

Server Validators

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