First of all, I'm using IE 6.0.2900.2180, Haven't test on other browsers. I was using ListSearch control to decorate my drop down lists to provide the incremental-search ability. See the online demo here: http://ajax.asp.net/ajaxtoo... It all looks smooth and neat untill after I put more ajax controls to make the page more "dynamic". The problem I was experiencing is that the promp text will not be alway located right above or under the DropDown control I specified. (By...