Cart Licenses Contact Support Online Creator Login/Register
Try
Free
v 1.9.38

Server Validators


                        
        
            Survey.StylesManager.applyTheme("defaultV2");
        

//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);        
            ReactDOM.render(
            <SurveyReact.Survey model={survey}  />, document.getElementById("surveyElement"));
        

                    
<!DOCTYPE html>
<html lang="en">
<head>
    <title>Server Validators, Reactjs Survey Library Example</title>
    
<meta name="viewport" content="width=device-width" />
    <script src="https://unpkg.com/jquery"></script>
    <script src="https://unpkg.com/react@17.0.1/umd/react.production.min.js"></script>
    <script src="https://unpkg.com/react-dom@17.0.1/umd/react-dom.production.min.js"></script>
    <script src="https://unpkg.com/@babel/standalone@7.2.5/babel.min.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-react-ui/survey-react-ui.min.js"></script>
    <link href="/DevBuilds/survey-core/defaultV2.min.css" type="text/css" rel="stylesheet" />
    <link rel="stylesheet" href="./index.css">

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

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

</body>
</html>
Dismiss

Tell us what you think

Help us serve you better by taking this brief
survey. We are interested to learn more about
your experience of using our libraries.

We'd really appreciate your feedback.

Approximate time to complete: 2 min.

Start the survey