3
<div id="TrainingSearchGridContainer" class="mt_20">
<asp:UpdatePanel runat="server" ID="UpdatePanelCountryRegions" UpdateMode="Conditional">
<ContentTemplate>
<asp:DropDownList runat="server" ID="ProductDropDown"></asp:DropDownList>
<asp:DropDownList runat="server" ID="DateDropDown"></asp:DropDownList>
<asp:DropDownList runat="server" ID="CountryDropDown" AutoPostBack="True" OnSelectedIndexChanged="LoadRegions"></asp:DropDownList>
<asp:DropDownList runat="server" ID="StateDropDown"></asp:DropDownList>
<asp:LinkButton ID="SearchBtn" runat="server" OnClick="StartSearch">
<span class="blueButton2css3"><span class="btnspan">
<asp:Literal ID="SearchButtonText" runat="server"></asp:Literal></span></span>
</asp:LinkButton>
</ContentTemplate>
<Triggers>
<asp:asyncpostbacktrigger controlid="SearchBtn" eventname="Click" />
但由於某些原因,當我按一下按鈕沒有任何工作情況,如果我刪除更新面板按鈕能正常工作。