ajax post within jquery onclick

Question

I have a button which calls a modal box to fade into the screen saying a value posted from the button then fade off, this works fine using jquery, but I also want on the sam

Answer 1

Try this. Edited to the final answer.

button:

    Reserve Book

script:

reservebook.php:

PS#1: The change to mysqli is minimal to your code, but strongly recommended.

PS#2: The success on Ajax call doesn't mean the query was successful. Only means that the Ajax transaction went correctly and got a satisfatory response. That means, it sent to the url the correct data, but not always the url did the correct thing.