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Create Multi-Select Dropdown in Web App on Google Sheets

In this post, I demonstrate how to use a multi-select dropdown in a Web App on Google Sheets. This will in turn store the multiple values in a cell on Google Sheets.

How to Video:

Video Notes:

  • Legacy Apps Script Editor Used in Video
  • Apps Script (Script Editor) is now located under tab ‘Extensions’ instead of ‘Tools’ on Google Sheets
  • For Further Details on Deploying a Web App Click Here

Code in Video:

<!DOCTYPE html>
<html>
  <head>
    <base target="_top">
  </head>
  <body>
    <h1>Web App Multi Select</h1>
    <?var url = getUrl();?>
    <form method="post" action="<?= url ?>" >
      <label style="font-size: 20px" >Name</label><br>
      <input type="text" name="name" style="font-size: 20px" /><br><br>
      <label style="font-size: 20px" >Favorite Colors</label><br>
      <select name="colors" multiple style="font-size: 20px" >
      <option value="Red" >Red</option>
      <option value="Blue" >Blue</option>
      <option value="Yellow" >Yellow</option>
      <option value="Green" >Green</option>
      <option value="Orange" >Orange</option>
      <option value="Brown" >Brown</option>
      <option value="White" >White</option>
      <option value="Black" >Black</option>
      </select><br><br>
      <input type="submit" name="submitButton" value="Submit" style="font-size: 20px" /> 
      <span style="font-size: 20px" ><?= message ?></span>      
    </form>
  </body>
</html>
function doGet(e) {
  var htmlOutput =  HtmlService.createTemplateFromFile('MultiSelect');
  htmlOutput.message = '';
  return htmlOutput.evaluate();
}

function doPost(e) {
  
  Logger.log(JSON.stringify(e));
  
  var name = e.parameters.name.toString();
  var colors = e.parameters.colors.toString();
  
  AddRecord(name, colors);
  
  var htmlOutput =  HtmlService.createTemplateFromFile('MultiSelect');
  htmlOutput.message = 'Record Added';
  return htmlOutput.evaluate(); 
  
}

function AddRecord(name, colors) {
  var url = '';   //URL OF GOOGLE SHEET;
  var ss= SpreadsheetApp.openByUrl(url);
  var dataSheet = ss.getSheetByName("DATA");
  dataSheet.appendRow([name, colors, new Date()]);
}

function getUrl() {
 var url = ScriptApp.getService().getUrl();
 return url;
}

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Published by codewithcurt