How to stop an php page to be refreshed?
<p>I have an problem, I am developing one application in PHP. on the index page I have 4 Dropdown boxs. 3 of them has default value Which I am providing through HTML, and in the last Box I am getting values from database.</p>

<p>Values for 4th box is depend on selection of other 3 boxes. </p>

<p>Issue with the page is that, I am getting all the values in the 4th box, I want from Database based on the basis of other 3 box selection, "but as soon as the values appear in the 4th box the previous values of all other 3 boxes reset to default". I dont want this because, for further process I want All 4 values to be selected in the Dropdown box.</p>

<p>Can any body help me on this.</p>

<p>Please I badly need help on this.</p>

<p>Thanks in advance.</p>

<p>Raman</p>
