我正在创建一个带有保存按钮的 aspx 页面。单击保存按钮时，我收到错误消息"Microsoft JScript runtime error: Sys.InvalidOperationException: Could not find UpdatePanel with ID 'lblAFTimePanel'。如果它是动态更新的，那么它必须在另一个UpdatePanel中。”
请在 aspx 页面下方找到。我有标签lblAFTime，它显示Radtime 选择器“RCFromTime”的错误消息，它又位于更新面板内。我使用RadAjaxmanager作为保存按钮。请帮助我。
<body>
<form id="form1" runat="server">
<telerik:RadScriptManager ID="RadScriptManager1" runat="server">
</telerik:RadScriptManager>
<telerik:RadAjaxManager ID="RadAjaxManager1" runat="server">
<AjaxSettings>
<telerik:AjaxSetting AjaxControlID="BirthDate">
<UpdatedControls>
<telerik:AjaxUpdatedControl ControlID="lbldob" />
<telerik:AjaxUpdatedControl ControlID="RTYear" />
<telerik:AjaxUpdatedControl ControlID="RTMonths" />
<telerik:AjaxUpdatedControl ControlID="RTDays" />
<telerik:AjaxUpdatedControl ControlID="lblAge" />
</UpdatedControls>
</telerik:AjaxSetting>
<telerik:AjaxSetting AjaxControlID="RTYear">
<UpdatedControls>
<telerik:AjaxUpdatedControl ControlID="BirthDate" />
<telerik:AjaxUpdatedControl ControlID="lbldob" />
<telerik:AjaxUpdatedControl ControlID="lblAge" />
</UpdatedControls>
</telerik:AjaxSetting>
<telerik:AjaxSetting AjaxControlID="rbSave">
<UpdatedControls>
<telerik:AjaxUpdatedControl ControlID="rbSave" />
<telerik:AjaxUpdatedControl ControlID="Message" />
<telerik:AjaxUpdatedControl ControlID="lblRegnumber" />
<telerik:AjaxUpdatedControl ControlID="LblRegnNo" />
<telerik:AjaxUpdatedControl ControlID="lbltitle" />
<telerik:AjaxUpdatedControl ControlID="lblname" />
<telerik:AjaxUpdatedControl ControlID="lbldob" />
<telerik:AjaxUpdatedControl ControlID="lblAge" />
<telerik:AjaxUpdatedControl ControlID="lblfile" />
<telerik:AjaxUpdatedControl ControlID="lblnation" />
<telerik:AjaxUpdatedControl ControlID="lblmobile" />
<telerik:AjaxUpdatedControl ControlID="lblAFTime" />
<telerik:AjaxUpdatedControl ControlID="lblATTime" />
<telerik:AjaxUpdatedControl ControlID="lblTimeComp" />
</UpdatedControls>
</telerik:AjaxSetting>
</AjaxSettings>
</telerik:RadAjaxManager>
<telerik:RadCodeBlock ID="RadCodeBlock1" runat="server">
<script type="text/javascript">
function checkError(sender, args) {
var dt = args._newValue;
var label = $get('<%= lbldob.ClientID %>');
if (isNaN(Date.parse(dt))) {
args.set_cancel(true);
label.innerHTML = "Invalid date";
}
else {
label.innerHTML = "";
}
}
</script>
</telerik:RadCodeBlock>
<telerik:RadFormDecorator ID="FormDecorator1" runat="server" DecoratedControls="all"></telerik:RadFormDecorator>
<telerik:RadWindowManager ID="RadWindowManager1" runat="server">
<Windows>
<telerik:RadWindow ID="NationalityDialog" Title="Nationality Data" runat="server" Behaviors="Close" Height="550px" Width="450px"
Left="150px" />
<telerik:RadWindow ID="RefDrdialog" Title="Referral Doctor Data" runat="server" Height="600px" Width="800px"
Left="200px" Behaviors="Close" />
<telerik:RadWindow ID="RefNewPatdialog" Title="New Patient Enquiry" runat="server" Height="550px" Width="1200px"
Left="200px" Behaviors="Close" Modal="true" />
</Windows>
</telerik:RadWindowManager>
<table border="1" width="100%">
<tr>
<td>
//some codes
<table border="0" cellpadding="5" >
<tr>
<br />
<table id="TblDoctorApp" runat="server" border="0" cellpadding="5">
<tr>
<td colspan="3" style="font-family: Tahoma; font-size: small; font-weight: bold; font-style: normal; font-variant: normal">
Appointment with Doctor
</td>
</tr>
<tr>
<td>
Clinic
</td>
<td>
<telerik:RadComboBox ID="RCClinic" runat="server" Width="150px"
DropDownWidth="500px" Height="200px" EmptyMessage="Select Clinic" EnableLoadOnDemand="true"
Filter="StartsWith" OnItemsRequested="RCClinic_ItemsRequested"
HighlightTemplatedItems="true"
OnSelectedIndexChanged="RCClinic_SelectedIndexChanged" AutoPostBack="true"
>
<HeaderTemplate>
<table style="width: 500px" cellspacing="0" cellpadding="0">
<tr>
<td style="text-align:left;width:250px">Clinic
</td>
<td style="text-align:left;width:250px">Doctor
</td>
</tr>
</table>
</HeaderTemplate>
<ItemTemplate>
<table style="width: 500px" cellspacing="0" cellpadding="0">
<tr>
<td style="text-align:left;width:250px">
<%# DataBinder.Eval(Container, "Text")%>
</td>
<td style="text-align:left;width:250px">
<%# DataBinder.Eval(Container, "Attributes['doc_name']")%>
</td>
</tr>
</table>
</ItemTemplate>
</telerik:RadComboBox>
</td>
</tr>
<tr>
<td>
Doctor
</td>
<td>
<asp:UpdatePanel ID="PanelDr" runat="server" UpdateMode="Conditional">
<Triggers>
<asp:AsyncPostBackTrigger ControlID="RCClinic" />
</Triggers>
<ContentTemplate>
<telerik:RadTextBox ID="RCDoctor" runat="server" Width="150px" ></telerik:RadTextBox>
</ContentTemplate>
</asp:UpdatePanel>
</td>
<td>
<asp:UpdatePanel ID="PanelDur" runat="server" UpdateMode="Always">
<Triggers>
<asp:AsyncPostBackTrigger ControlID="RCClinic" />
</Triggers>
<ContentTemplate>
<asp:DropDownList ID="RCDuration" runat="server" Width="75px" AutoPostBack="true" OnSelectedIndexChanged="RCDuration_SelectedIndexChanged" >
<asp:ListItem Text="Select" Value="0" />
<asp:ListItem runat="server" Text="5 Min" Value="5" />
<asp:ListItem runat="server" Text="10 Min" Value="10" />
<asp:ListItem runat="server" Text="15 Min" Value="15" />
<asp:ListItem runat="server" Text="20 Min" Value="20" />
<asp:ListItem runat="server" Text="25 Min" Value="25" />
<asp:ListItem runat="server" Text="30 Min" Value="30" />
<asp:ListItem runat="server" Text="35 Min" Value="35" />
<asp:ListItem runat="server" Text="40 Min" Value="40" />
<asp:ListItem runat="server" Text="45 Min" Value="45" />
<asp:ListItem runat="server" Text="50 Min" Value="50" />
<asp:ListItem runat="server" Text="55 Min" Value="55" />
<asp:ListItem runat="server" Text="60 Min" Value="60" />
</asp:DropDownList>
</ContentTemplate>
</asp:UpdatePanel>
</td>
</tr>
<tr>
<td>
</td>
<td>
From
</td>
<td>
To
</td>
</tr>
<tr>
<td>
App.Time
</td>
<td>
<asp:UpdatePanel ID="UpdatePanel6" runat="server" UpdateMode="Always">
<Triggers>
<asp:AsyncPostBackTrigger ControlID="RCDuration" />
</Triggers>
<ContentTemplate>
<telerik:RadTimePicker ID="RCFromTime" runat="server" Width="110px" Culture="en-US"
TimeView-TimeFormat="t" DateInput-DateFormat="h:mm tt"
DateInput-DisplayDateFormat="h:mm tt" Skin="Web20" >
<TimeView ID="TimeView1" StartTime="08:00:00" EndTime="20:00:00" Height="100px" Width="250px" ShowHeader="False" runat="server"></TimeView>
</telerik:RadTimePicker>
</ContentTemplate>
</asp:UpdatePanel>
</td>
<td>
<asp:UpdatePanel ID="UpdatePanel7" runat="server" UpdateMode="Always">
<Triggers>
<asp:AsyncPostBackTrigger ControlID="RCDuration" />
</Triggers>
<ContentTemplate>
<telerik:RadTimePicker ID="RCToTime" runat="server" Width="110px" Culture="en-US"
TimeView-TimeFormat="t" DateInput-DateFormat="h:mm tt"
DateInput-DisplayDateFormat="h:mm tt" Skin="Web20">
<TimeView ID="TimeView2" StartTime="08:00:00" EndTime="20:00:00" Height="100px" Width="250px" ShowHeader="False" runat="server"></TimeView>
</telerik:RadTimePicker>
</ContentTemplate>
</asp:UpdatePanel>
</td>
</tr>
<tr>
<td></td>
<td>
<asp:UpdatePanel ID="Panelftime" runat="server" UpdateMode="Always">
<Triggers>
<asp:AsyncPostBackTrigger ControlID="RCFromTime" />
</Triggers>
<ContentTemplate>
<asp:Label ID="lblAFTime" runat="server" Text="" ForeColor="Red"></asp:Label>
</ContentTemplate>
</asp:UpdatePanel>
</td>
<td>
<asp:Label ID="lblATTime" runat="server" Text="" ForeColor="Red"></asp:Label>
</td>
</tr>
<tr>
<td></td>
<td colspan="2">
<asp:Label ID="lblTimeComp" runat="server" Text="" ForeColor="Red"></asp:Label>
</td>
</tr>
</table>
<br />
<table border="0" cellpadding="5">
<tr>
<td style="font-family: Tahoma; font-size: small; font-weight: bold; font-style: normal; font-variant: normal">
Kin Details
</td>
</tr>
<tr>
<td>
Name
</td>
<td>
<telerik:RadTextBox ID="RTKinName" runat="server" Width="150px" ></telerik:RadTextBox>
</td>
</tr>
<tr>
<td>
Relation
</td>
<td>
<telerik:RadComboBox ID="RCKinRel"
runat="server"
Width="150px" />
</td>
<td>
Phone
</td>
<td>
<telerik:RadMaskedTextBox ID="RTKinPhone" runat="server" Mask="(###)-#######"
Width="75px" >
</telerik:RadMaskedTextBox>
</td>
</tr>
</table>
</td>
</tr>
</table>
<div>
<table>
<tr>
<td class="style8">
<telerik:RadButton ID="RbSave" runat="server" Text="Save"
onclick="RbSave_Click" >
<Icon PrimaryIconCssClass="rbSave" PrimaryIconLeft="4" PrimaryIconTop="4" />
</telerik:RadButton>
</td>
<td>
<telerik:RadButton ID="RbClose" runat="server" Text="Close"
onclick="RbClose_Click" style="top: 0px; left: 0px" >
<Icon PrimaryIconCssClass="rbCancel" PrimaryIconLeft="4" PrimaryIconTop="4" />
</telerik:RadButton>
</td>
</tr>
</table>
</div>
</form>
</body>