c# - UpdatePanel postback -

c# - UpdatePanel postback -

i'm using updatepanel in modal, can see here:

<div class="modal-dialog"> <div class="modal-content"> <div class="modal-header"> <button type="button" class="close" data-dismiss="modal" aria-hidden="true">×</button> <h3 class="modal-title">telefones</h3> </div> <asp:updatepanel runat="server" updatemode="conditional"> <contenttemplate> <div class="modal-body"> <div class="row-fluid"> <div class="form-group"> <div class="row"> <div class="col-md-2"> <label>ddd (*):</label> <input id="txtddd" runat="server" class="form-control ddd" placeholder="ddd" title="insira o ddd telefone" required="required" tabindex="3" /> </div> <div class="col-lg-6"> <label>número (*):</label> <input id="txtnumerotelefone" runat="server" class="form-control numerotelefone" placeholder="número telefone" title="insira o número telefone" required="required" tabindex="3" /> </div> </div> </div> <div class="form-group"> <div class="row"> <div class="col-lg-6"> <label>tipo (*):</label> <select id="ddltipotelefone" runat="server" class="form-control" tabindex="2" title="escolha o tipo telefone"> <option value="residencial"> residencial </option> <option value="celular">celular</option> <option value="comercial">comercial</option> <option value="fax">fax</option> </select> </div> </div> </div> </div> </div> </contenttemplate> <triggers> <asp:asyncpostbacktrigger controlid="btnaddtelefonegrid" eventname="click" /> </triggers> </asp:updatepanel> <div class="modal-footer"> <asp:button id="btnaddtelefonegrid" clientidmode="static" runat="server" cssclass="btn btn-primary" text="adicionar" onclick="btnaddtelefonegrid_click" /> <button type="button" data-dismiss="modal" class="btn">fechar</button> </div> </div> </div>

my problem button btnaddtelefonegrid firing postback causing validation tag (required) fire in form behind modal.

im using triggers phone call code behind not working. please help!

hope understood problem properly. if dont want validation trigger on click of btnaddtelefonegrid can set property causesvalidation false button. if still need validation on click of button not controls can utilize validationgroup property

c# asp.net updatepanel