asp.net with ajax

Question

i have three dropdown list in update panel. when i click the first dropdown it will add two items in otherdropdown.. for me.. it refresh a whole page.. i want to refresh only update panel..

Thank's in advance

Sanjay Chauhan · Answer

Hi Could you post your aspx code for better understand the problem.

moni moni · Answer

-- UpdatePanel1-- %> asp : ScriptManager ID =ScriptManager1 runat =server> asp : ScriptManager > asp : UpdatePanel ID =UpdatePanel1 runat =server> ContentTemplate > br /> br /> br /> br /> br /> ul id =topTab style =left: 5px; top: -15px; height: 12px; width: 209px;> li id = choic> a href = onclick =return showlocation('choice');) title =Location shape =circle > Location a > li > li > a href =# onclick =return showmovie('Movie'); title =Movie> Movies a > li > ul > table runat =server id =choice width =100% border =0 cellspacing =0 cellpadding =0> tr > td style =font-size: 9pt; color: #33ff33; font-family: Verdana;>   Location      asp : DropDownList ID =cboLocation runat =server Height =30px Width =148px OnSelectedIndexChanged =cboLocation_SelectedIndexChanged AutoPostBack =true> asp : DropDownList > td > tr > tr > td style =font-size: 9pt; color: #33ff33; font-family: Verdana;> Movie Name asp : DropDownlist ID =cbomovie runat =server Height =30px Width =148px OnSelectedIndexChanged =cbomovie_SelectedIndexChanged AutoPostBack =true> asp : DropDownlist > td > tr > tr > td style =font-size: 9pt; color: #33ff33;font-family: Verdana;>   Show Date   asp : DropDownlist ID =cbodate runat =server Height =30px Width =148px AutoPostBack =true> asp : DropDownlist > td > tr > table > --Movie table-- %> table runat =server id =Movie width =100% border =0 cellspacing =0 cellpadding =0> tr > td style =font-size: 9pt; color: #33ff33;font-family: Verdana; height:22px;> Movie Name     asp : DropDownList ID =cbomoviename runat =server Width =140px> asp : DropDownList > select > td > tr > tr > td style =font-size: 9pt; color: #33ff33; font-family: Verdana; height: 22px;> Location          asp : DropDownList ID =cbomovielocation runat =server Width =140px> asp : DropDownList > td > tr > tr > td style =font-size: 9pt; color: #33ff33; font-family: Verdana; height: 22px;> Theatre Name asp : DropDownList ID =cbotheatrename runat =server Width =142px> asp : DropDownList > td > tr > table > ContentTemplate > triggers > asp : asyncpostbacktrigger ControlID =cboLocation EventName =SelectedIndexChanged /> triggers > asp : UpdatePanel > div >