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Robotic Automation example: Selecting all entries in a list box that is on a webpage

The methods and properties for changing the selected entry on multiselect HTML list boxes only allow you to select one entry. There is no simple way to perform a Select All action.

To work around this limitation, use the ExecuteScript method off of the webpage. To do this, your list box must meet these requirements:

  • It must be an HTML Select element
  • It must have an ID

If you run the following script in an ExecuteScript method call, the system selects all of the list box items:

var listbox = document.getElementById("<em>elementid</em>");
var options = listbox.options;

for (var index = 0; index < options.length; index++)
{
    options[index].selected = true;
}
In the example script, replace <em>elementid </em>with the ID of your list box.

For more information on the ExecuteScript method, see Web Page properties, methods, and events.

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