I want to dynamically filter the amount of data returned when populating a Select field. The select field I am using has too much data and causes the form to load very slowly. I have several of these select boxes, that pull down different data. I need to be able to filter what data gets into the boxes based on choices the user makes.

For example:
The user wants to select a doctor from the drop-down list.
The user knows they want a doctor who'se name starts with 'L', but the drop-down box contains every doctor. I would rather the user just get a select box that conatins doctors that start with 'L'.

How can I cut down on the amount of data that is passed to the form on load? The only solution I have thought of so far is to give the user a text box to enter in the initial of the doctor they want. I assume they would have to get this text box before they got to the actual form.

Is there a bettr way?

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