How to populate jquery multiselect plugin with two sides with records from database

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ASP.NET

jQuery

C#3.5

plugin

I came across this plugin online. It enables me to add a selected text from one side and then add it to another side. I have intergrated it well in my project but i would love to display the text from my table in my database. Below is the definition of some of the text i have added to it but want this text to be populated from my database since they can change at anytime. The jquery plugin i'm using is pickList plugin. I do have an idea that i would need to make use of Ajax to achieve this but i still need a bit more explanation and guide

var val = {
                 01: { id:01, text: 'HYGEIA HMO LIMITED ' },
                 02: { id:02, text: 'TOTAL HEALTH TRUST LIMITED' },
                 03: { id:03, text: 'CLEARLINE INTERNATIONAL LIMITED' },
};
 var pick = $("#pickList").pickList({ data: val });

Here is just a simple of sample code. If you have used this plugin before or something similar and has been able to populate the text from db, kindly give an insight. Thanks. I'm using asp.net anyway

What I have tried:

i have only tried to write each text to the pickList. I just need a headstart or hint