大家好，问题如题示，点表格行中的更新按钮没反映，哪位大大指点一下，thks.
<%@ Page Language="C#" MasterPageFile="~/Site.master" AutoEventWireup="true" CodeFile="UpdatingAndDeleting.aspx.cs" Inherits="BinaryData_UpdatingAndDeleting" Title="Untitled Page" %>
<asp:Content ID="Content1" ContentPlaceHolderID="MainContent" Runat="Server">
<asp:ScriptManager ID="ScriptManager1" runat="server">
</asp:ScriptManager>
<h2>
Add a Category with a Picture and Brochure</h2>
<p>
</p>
<p>
<asp:DetailsView ID="NewCategory" runat="server" AutoGenerateRows="False" DataKeyNames="CategoryID"
DataSourceID="CategoriesDataSource" DefaultMode="Insert" OnItemInserting="NewCategory_ItemInserting" OnItemInserted="NewCategory_ItemInserted">
<Fields>
<asp:BoundField DataField="CategoryID" HeaderText="CategoryID" InsertVisible="False"
ReadOnly="True" SortExpression="CategoryID" />
<asp:BoundField DataField="CategoryName" HeaderText="Category" SortExpression="CategoryName" />
<asp:BoundField DataField="Description" HeaderText="Description" SortExpression="Description" />
<asp:TemplateField HeaderText="Brochure" SortExpression="BrochurePath">
<InsertItemTemplate>
<asp:FileUpload ID="BrochureUpload" runat="server" />
</InsertItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Picture">
<InsertItemTemplate>
<asp:FileUpload ID="PictureUpload" runat="server" />
</InsertItemTemplate>
</asp:TemplateField>
<asp:CommandField ShowInsertButton="True" />
</Fields>
</asp:DetailsView>
</p>
<asp:UpdatePanel ID="UpdatePanel1" runat="server" UpdateMode="Conditional">
<ContentTemplate>
<asp:Label ID="UploadWarning" runat="server" CssClass="Warning"
EnableViewState="False" Visible="False"></asp:Label>
<br />
<asp:GridView ID="Categories" runat="server" AutoGenerateColumns="False"
DataKeyNames="CategoryID" DataSourceID="CategoriesDataSource"
EnableViewState="False" Height="468px"
OnRowDeleted="Categories_RowDeleted"
OnRowDeleting="Categories_RowDeleting"
OnRowUpdated="Categories_RowUpdated"
OnRowUpdating="Categories_RowUpdating" Width="1202px">
<Columns>
<asp:CommandField ShowDeleteButton="True" ShowEditButton="True">
<ItemStyle ForeColor="#0066FF" HorizontalAlign="Center" Width="100px" />
</asp:CommandField>
<asp:BoundField DataField="CategoryName" HeaderText="Category"
SortExpression="CategoryName">
<ItemStyle Width="50px" />
</asp:BoundField>
<asp:BoundField DataField="Description" HeaderText="Description"
SortExpression="Description">
<ItemStyle Width="600px" />
</asp:BoundField>
<asp:TemplateField HeaderText="Brochure">
<ItemTemplate>
<%# GenerateBrochureLink(Eval("BrochurePath")) %>
</ItemTemplate>
<EditItemTemplate>
<asp:RadioButtonList ID="BrochureOptions" runat="server" AutoPostBack="True"
OnSelectedIndexChanged="BrochureOptions_SelectedIndexChanged" Width="210px">
<asp:ListItem Selected="True" Value="1">Use current brochure</asp:ListItem>
<asp:ListItem Value="2">Remove current brochure</asp:ListItem>
<asp:ListItem Value="3">Upload new brochure</asp:ListItem>
</asp:RadioButtonList>
<asp:FileUpload ID="BrochureUpload0" runat="server" Visible="False" />
</EditItemTemplate>
<ItemStyle Width="210px" />
</asp:TemplateField>
<asp:TemplateField>
<EditItemTemplate>
<span style="font-size: 10pt; width:200px color: black; font-family: Verdana; mso-fareast-font-family: 'Times New Roman';
mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: EN-US;
mso-bidi-language: AR-SA">To change the categor picture, specify a new picture.
<br />
To keep the category picture the same, leave the field empty.<br />
<asp:FileUpload ID="PictureUpload0" runat="server" Height="16px"
Width="232px" />
</span>
</EditItemTemplate>
<ItemTemplate>
<asp:Image ID="Image1" runat="server" BorderColor="#3366CC" BorderStyle="Solid"
BorderWidth="1px" Height="50px"
ImageUrl='<%# Eval("CategoryID", "DisplayCategoryPicture.aspx?CategoryID={0}") %>'
Width="50px" />
</ItemTemplate>
<ItemStyle HorizontalAlign="Center" Width="232px" />
</asp:TemplateField>
</Columns>
<HeaderStyle BackColor="#993333" Font-Bold="True" Font-Size="11pt"
Height="40px" />
</asp:GridView>
</ContentTemplate>
<Triggers>
<asp:AsyncPostBackTrigger ControlID="Categories" EventName="RowUpdated" />
</Triggers>
</asp:UpdatePanel>
<p>
<asp:ObjectDataSource ID="CategoriesDataSource" runat="server" OldValuesParameterFormatString="{0}"
SelectMethod="GetCategories" TypeName="CategoriesBLL" InsertMethod="InsertWithPicture" DeleteMethod="DeleteCategory" UpdateMethod="UpdateCategory">
<InsertParameters>
<asp:Parameter Name="categoryName" Type="String" />
<asp:Parameter Name="description" Type="String" />
<asp:Parameter Name="brochurePath" Type="String" />
<asp:Parameter Name="picture" Type="Object" />
</InsertParameters>
<DeleteParameters>
<asp:Parameter Name="categoryID" Type="Int32" />
</DeleteParameters>
<UpdateParameters>
<asp:Parameter Name="categoryName" Type="String" />
<asp:Parameter Name="description" Type="String" />
<asp:Parameter Name="brochurePath" Type="String" />
<asp:Parameter Name="picture" Type="Object" />
<asp:Parameter Name="categoryID" Type="Int32" />
</UpdateParameters>
</asp:ObjectDataSource>
</p>
</asp:Content>
GridView在UpdatePanel 中无法实现页面无刷新更新
