function myFunction(dropdownlist, roomno) { document.getElementById("<%= HiddenField1.ClientID %>").value = dropdownlist.value + "|" + roomno; __doPostBack('Button1', '') }
<asp:DropDownList ID="DropDownList1" runat="server" Width="150" onchange='<%# "myFunction(this," + Container.ItemIndex + ")" %>'> </asp:DropDownList>
protected void Button1_Click(object sender, EventArgs e) { //call your function here }
kamlesh kuamr saini Sr. devloper (asp.net) new delhi
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