我目前在TAB容器中有一个asp.net页面，在asp.net页面上有一个没有通过SqlDataSource附加的材料的搜索框，一旦你单击搜索按钮RadWindow弹出显示详细信息的RadGrid。
RadGrid位于UpdatePanel，一旦在RadGrid内点击了编辑按钮，弹出编辑窗口，但是当我尝试选择任何{{1}时如货币，公司和国家/地区，如果在编辑模式下单击RadComboBox按钮，则不会发生回发，也不会触发回发。
使用Update附加RadComboBox内的RadGrid。
请参阅以下代码：
EditItemTemplate代码：
ASPXC＃代码：
<ajaxToolkit:TabPanel runat="server" HeaderText="TabPanel7" ID="TabPanel7">
<HeaderTemplate>Edit/Delete PO Reports</HeaderTemplate>
<ContentTemplate>
<br />
<asp:UpdateProgress ID="UpdateProgress2" runat="server" AssociatedUpdatePanelID="UpdatePanel4">
<ProgressTemplate>
<div style="background-color: Gray; filter:alpha(opacity=60); opacity:0.60; width: 100%; top: 0px; left: 0px; position: fixed; height: 100%;">
</div>
<div style="margin:auto;
font-family:Trebuchet MS;
filter: alpha(opacity=100);
opacity: 1;
font-size:small;
vertical-align: middle;
top: 45%;
position: fixed;
right: 45%;
color: #275721;
text-align: center;
background-color: White;
height: 100px;
">
<table style=" background-color: White; font-family: Sans-Serif; text-align: center; border: solid 1px #275721; color: #275721; width: inherit; height: inherit; padding: 15px;">
<tr>
<td style=" text-align: inherit;"><img src="images/loadingIcon.gif" alt="Loading" /></td>
<td style=" text-align: inherit;"><span style="font-family: Sans-Serif; font-size: medium; font-weight: bold; font">Loading...</span></td>
</tr>
</table>
</div>
</ProgressTemplate>
</asp:UpdateProgress>
<asp:UpdatePanel ID="UpdatePanel4" runat="server">
<ContentTemplate>
Enter a Saudi Aramco PO Number:
<telerik:RadComboBox ID="EditPORadComboBox" runat="server"
DataSourceID="SAPOSqlDataSource" DataTextField="SA_PO" DataValueField="SA_PO"
MarkFirstMatch="True">
</telerik:RadComboBox>
<asp:SqlDataSource ID="SAPOSqlDataSource" runat="server"
ConnectionString="<%$ ConnectionStrings:ROGContext %>"
SelectCommand="SELECT [SA_PO] FROM [PODB]"></asp:SqlDataSource>
<asp:Button ID="SearchEditPOButton" runat="server" Text="Search"
onclick="SearchEditPOButton_Click" OnClientClick="togglePoppModality" Height="35px" Width="115px" />
</ContentTemplate>
</asp:UpdatePanel>
<br />
<br />
<telerik:RadWindow ID="EditPORadWindow" runat="server" Width="1800px"
Height="1000px">
<ContentTemplate>
<asp:UpdatePanel ID="UpdatePanel5" runat="server">
<ContentTemplate>
<telerik:RadGrid ID="EditPORadGrid" runat="server" HorizontalAlign="Center"
CellSpacing="0" GridLines="None" AutoGenerateDeleteColumn="True"
AutoGenerateEditColumn="True"
OnUpdateCommand="EditPORadGrid_UpdateCommand"
onneeddatasource="EditPORadGrid_NeedDataSource" OnItemDataBound="EditPORadGrid_ItemDataBound"
AllowAutomaticUpdates="True" AllowAutomaticDeletes="True"
AutoGenerateColumns="False">
<MasterTableView CommandItemDisplay="Top" DataKeyNames="SA_PO"
EditMode="PopUp">
<CommandItemSettings ExportToPdfText="Export to PDF"
ShowAddNewRecordButton="False" ShowRefreshButton="True" />
<RowIndicatorColumn FilterControlAltText="Filter RowIndicator column"
Visible="True">
</RowIndicatorColumn>
<ExpandCollapseColumn FilterControlAltText="Filter ExpandColumn column"
Visible="True">
</ExpandCollapseColumn>
<Columns>
<telerik:GridBoundColumn DataField="SA_PO"
FilterControlAltText="Filter SA_PO column" HeaderText="SA PO"
SortExpression="SA_PO" UniqueName="SA_PO" ReadOnly="true" Visible="false">
</telerik:GridBoundColumn>
<telerik:GridBoundColumn DataField="PO_Date"
FilterControlAltText="Filter PO_Date column" HeaderText="PO_Date"
SortExpression="PO_Date" UniqueName="PO_Date">
</telerik:GridBoundColumn>
<telerik:GridBoundColumn DataField="Packaging_Details"
FilterControlAltText="Filter Packaging_Details column"
HeaderText="Packaging Details" SortExpression="Packaging_Details"
UniqueName="Packaging_Details">
</telerik:GridBoundColumn>
<telerik:GridBoundColumn DataField="Country_Origin"
FilterControlAltText="Filter Country_Origin column" HeaderText="Country Origin"
SortExpression="Country_Origin" UniqueName="Country_Origin">
</telerik:GridBoundColumn>
<telerik:GridBoundColumn DataField="Required_Document"
FilterControlAltText="Filter Required_Document column"
HeaderText="Required Document" SortExpression="Required_Document"
UniqueName="Required_Document">
</telerik:GridBoundColumn>
<telerik:GridBoundColumn DataField="Shipping_Label"
FilterControlAltText="Filter Shipping_Label column" HeaderText="Shipping Label"
SortExpression="Shipping_Label" UniqueName="Shipping_Label">
</telerik:GridBoundColumn>
<telerik:GridBoundColumn DataField="Special_Instruction"
FilterControlAltText="Filter Special_Instruction column"
HeaderText="Special Instruction" SortExpression="Special_Instruction"
UniqueName="Special_Instruction">
</telerik:GridBoundColumn>
<telerik:GridBoundColumn DataField="Payment_Terms"
FilterControlAltText="Filter Payment_Terms column" HeaderText="Payment Terms"
SortExpression="Payment_Terms" UniqueName="Payment_Terms">
</telerik:GridBoundColumn>
<telerik:GridBoundColumn DataField="Mode_Shipment"
FilterControlAltText="Filter Mode_Shipment column" HeaderText="Mode of Shipment"
SortExpression="Mode_Shipment" UniqueName="Mode_Shipment">
</telerik:GridBoundColumn>
<telerik:GridBoundColumn DataField="ExpectedDelivery_Date"
FilterControlAltText="Filter ExpectedDelivery_Date column"
HeaderText="Expected Delivery Date" SortExpression="ExpectedDelivery_Date"
UniqueName="ExpectedDelivery_Date">
</telerik:GridBoundColumn>
<telerik:GridBoundColumn DataField="Material_No"
FilterControlAltText="Filter Material_No column"
HeaderText="Material No" SortExpression="ExpectedDelivMaterial_Noery_Date"
UniqueName="Material_No">
</telerik:GridBoundColumn>
<telerik:GridBoundColumn DataField="QTY"
FilterControlAltText="Filter QTY column" HeaderText="QTY" SortExpression="QTY"
UniqueName="QTY">
</telerik:GridBoundColumn>
<telerik:GridBoundColumn DataField="Unit_Price"
FilterControlAltText="Filter Unit_Price column" HeaderText="Unit Price"
SortExpression="Unit_Price" UniqueName="Unit_Price">
</telerik:GridBoundColumn>
<telerik:GridBoundColumn DataField="Total_Price"
FilterControlAltText="Filter Total_Price column" HeaderText="Total Price"
SortExpression="Total_Price" UniqueName="Total_Price" ReadOnly="True">
</telerik:GridBoundColumn>
<telerik:GridBoundColumn DataField="ROG_PO"
FilterControlAltText="Filter ROG_PO column" HeaderText="ROG PO#" ReadOnly="True"
SortExpression="ROG_PO" UniqueName="ROG_PO">
</telerik:GridBoundColumn>
<telerik:GridBoundColumn DataField="Product_Line"
FilterControlAltText="Filter Product_Line column" HeaderText="Product Line"
SortExpression="Product_Line" UniqueName="Product_Line">
</telerik:GridBoundColumn>
<telerik:GridBoundColumn DataField="Profile_No"
FilterControlAltText="Filter Profile_No column" HeaderText="Profile No"
SortExpression="Profile_No" UniqueName="Profile_No">
</telerik:GridBoundColumn>
<telerik:GridBoundColumn DataField="IncoTerms"
FilterControlAltText="Filter IncoTerms column" HeaderText="IncoTerms"
SortExpression="IncoTerms" UniqueName="IncoTerms">
</telerik:GridBoundColumn>
<telerik:GridBoundColumn DataField="Material_No9COM"
FilterControlAltText="Filter Material_No9COM column"
HeaderText="Material No.9COM" SortExpression="Material_No9COM"
UniqueName="Material_No9COM">
</telerik:GridBoundColumn>
<telerik:GridTemplateColumn UniqueName="Currency" HeaderText="Currency"
SortExpression="Currency" FilterControlAltText="Filter Currency column" DataField="Currency" AllowFiltering="true">
<ItemTemplate>
<%#DataBinder.Eval(Container.DataItem, "Currency")%>
</ItemTemplate>
<EditItemTemplate>
<telerik:RadComboBox runat="server" ID="CurrencyRadComboBox2" EnableLoadOnDemand="true" DataTextField="Currency"
DataValueField="Currency" AutoPostBack="true" HighlightTemplatedItems="true" Filter="Contains" OnItemsRequested="CurrencyRadComboBox2_ItemsRequested" OnSelectedIndexChanged="CurrencyRadComboBox2_OnSelectedChangedIndex">
</telerik:RadComboBox>
</EditItemTemplate>
</telerik:GridTemplateColumn>
<telerik:GridTemplateColumn UniqueName="Company" HeaderText="Company" SortExpression="Company"
FilterControlAltText="Filter Company column" DataField="Company" AllowFiltering="true">
<ItemTemplate>
<%#DataBinder.Eval(Container.DataItem, "Company")%>
</ItemTemplate>
<EditItemTemplate>
<telerik:RadComboBox runat="server" ID="CompanyRadComboBox" EnableLoadOnDemand="true" DataTextField="Company"
DataValueField="Company" AutoPostBack="true" HighlightTemplatedItems="true" Filter="Contains">
</telerik:RadComboBox>
</EditItemTemplate>
</telerik:GridTemplateColumn>
<telerik:GridTemplateColumn UniqueName="Country" HeaderText="Country" SortExpression="Country"
FilterControlAltText="Filter Country column" DataField="Country" AllowFiltering="true">
<ItemTemplate>
<%#DataBinder.Eval(Container.DataItem, "Country")%>
</ItemTemplate>
<EditItemTemplate>
<telerik:RadComboBox runat="server" ID="CountryRadComboBox" EnableLoadOnDemand="true" DataTextField="Country"
DataValueField="Country" AutoPostBack="true" HighlightTemplatedItems="true" Filter="Contains">
</telerik:RadComboBox>
</EditItemTemplate>
</telerik:GridTemplateColumn>
<telerik:GridBoundColumn DataField="Product_Description"
FilterControlAltText="Filter Product_Description column"
HeaderText="Product Description" SortExpression="Product_Description"
UniqueName="Product_Description">
</telerik:GridBoundColumn>
<telerik:GridBoundColumn DataField="Size"
FilterControlAltText="Filter Size column" HeaderText="Size"
SortExpression="Size" UniqueName="Size">
</telerik:GridBoundColumn>
<telerik:GridBoundColumn DataField="UOM"
FilterControlAltText="Filter UOM column" HeaderText="UOM" SortExpression="UOM"
UniqueName="UOM">
</telerik:GridBoundColumn>
</Columns>
<EditFormSettings CaptionDataField="SA_PO" CaptionFormatString="Edit Saudi Aramco PO No.: {0}">
<EditColumn FilterControlAltText="Filter EditCommandColumn column">
</EditColumn>
</EditFormSettings>
<PagerStyle PageSizeControlType="RadComboBox" />
</MasterTableView>
<ClientSettings>
<ClientEvents OnRowClick="RowDblClick" />
<Scrolling AllowScroll="True" UseStaticHeaders="True" />
</ClientSettings>
<PagerStyle PageSizeControlType="RadComboBox" />
<FilterMenu EnableImageSprites="False">
</FilterMenu>
</telerik:RadGrid>
</ContentTemplate>
</asp:UpdatePanel>
</ContentTemplate>
</telerik:RadWindow>
</ContentTemplate>
</ajaxToolkit:TabPanel>
</ajaxToolkit:TabContainer>