typeahead

How to structure an index for type ahead for extremely large dataset using Lucene or similar?

I have a dataset of 200million+ records and am looking to build a dedicated backend to power a type ahead solution. Lucene is of interest given its popularity and license type, but I'm open to other open source suggestions as well. I am looking for advice, tales from the trenches, or even better direct instruction on what I will need a...

postback on click for type ahead drop down

I have a type a head drop down list that I created. Clearly I had to turn the AutoPostBack to false because otherwise it would post back as the user was typing. But I want to poast back when use has made his selection. I don't wanna use a submit button or anything like that. Long story, just trust me it's not the solution for my situati...

Get Text box value using Java script

Hi, I have two text boxes. Country and City. I am using type ahead in city text box. I want to show the city name according to the country which i typed. How can i pass country value using java script to my PHP function to get correct city name. ...