【发布时间】：2017-02-03 08:06:24
【问题描述】：
我有 asp.net web 应用程序，我想包含 ajax 功能，我已经正确添加了更新面板脚本管理器，但它仍然导致完全回发， 我需要做任何额外的事情来在现有项目中包含 ajax 以便它应该做部分回发
导致完全回发的可能原因是什么，
我正在使用视觉工作室 10，我的项目针对 .NET 4.0
我尝试过的：
我尝试为控件和事件包含异步回发触发器和定义触发器，将更新面板更新模式属性设置为条件，将子触发器属性设置为 false，并为脚本管理器设置启用部分渲染为 true 没有任何工作
enter code here<asp:scriptmanager ID="script1" runat="server"></asp:scriptmanager>
<asp:UpdatePanel ID="panel1" runat="server">
<ContentTemplate>
<table cellSpacing="0" cellPadding="0" width="100%" border="0">
<tr>
<TD width=10><IMG height=1 src="../images/spacer.gif" width=10 border=0></TD>
<td align="left">
<table class="titleTable" width="100%" cellSpacing="0" cellPadding="0" border="0">
<tr>
<%--<td><A onclick="javascr:showHide('ExpiredItemsSection', 'ExpiredsearchImage');" href="javascri:void(0);"><STRONG>Expired Items</strong></A></td>
<td align="right"><a href="javascri:void(0);" onclick="javascri:showHide('ExpiredItemsSection', 'ExpiredsearchImage');"><IMG id="ExpiredsearchImage" src="../images/spacer.gif" width="18" height="15" border="0" runat="server"></a></td>
--%>
<td>
<asp:linkbutton id="Expireditem" runat="server" onClick="Expireditem_Click">Expired Items</asp:linkbutton>
</td>
</tr>
</table>
</td>
<TD width=10><IMG height=1 src="../images/spacer.gif" width=10 border=0></TD>
</tr>
<tr>
<td colspan="3"><IMG height=3 src="../images/spacer.gif" width=1 border=0></td>
</tr>
</table>
<div id="ExpiredItemsSection" runat="server">
<table cellSpacing="0" cellPadding="0" width="100%" border="0">
<tr>
<td colspan="3"><IMG height=10 src="../images/spacer.gif" width=1 border=0></td>
</tr>
<tr>
<td width="10"><IMG height="1" src="../images/spacer.gif" width="5" border="0"></td>
<td noWrap align="center">
<table cellSpacing="0" cellPadding="0" border="0" class="formTable" width="100%">
<tr>
<td align="right" height="20px"><strong><asp:label id="ExpiredItemsRenderNav" Runat="server" CssClass="blueText"></asp:label></strong> </td>
</tr>
</table>
</td>
<td width="10"><IMG height="1" src="../images/spacer.gif" width="5" border="0"></td>
</tr>
</table>
<TABLE cellSpacing="0" cellPadding="0" width="100%" border="0">
<tr>
<td colspan="3"><IMG height=3 src="../images/spacer.gif" width=1 border=0></td>
</tr>
<TR>
<TD width=10><IMG height="1" src="../images/spacer.gif" width="10" border="0"></TD>
<TD>
<asp:datagrid id="ExpiredItemsList" runat="server" CssClass="dataTable" HorizontalAlign="Center" AutoGenerateColumns="False" PageSize="6" AllowSorting="True" AllowPaging="True" Width="100%" ToolTip="Click the items to view details" border="0">
<AlternatingItemStyle CssClass="grey"></AlternatingItemStyle>
<ItemStyle CssClass="Right"></ItemStyle>
<HeaderStyle CssClass="header" HorizontalAlign="left" />
<Columns>
<asp:TemplateColumn SortExpression="ItemID" HeaderText="Item ID">
<ItemTemplate>
<asp:Label ID="lblItemID" Runat="server" Text='<%# DataBinder.Eval ( Container.DataItem, "ItemID" ) %>'>
</asp:Label>
</ItemTemplate>
</asp:TemplateColumn>
<asp:TemplateColumn SortExpression="Description" HeaderText="Description">
<ItemTemplate>
<IRIS:RBACLINK id="rbacDescription" NavigateURL="../MyIris/ViewItem.aspx" runat="server" Text='<%# DataBinder.Eval ( Container.DataItem, "Description" )%>' >
</IRIS:RBACLINK>
</ItemTemplate>
</asp:TemplateColumn>
<asp:TemplateColumn SortExpression="lotno" HeaderText="Lot No">
<ItemTemplate>
<asp:Label ID="lotno" Runat="server" Text='<%# DataBinder.Eval ( Container.DataItem, "lotno" ) %>'>
</asp:Label>
</ItemTemplate>
</asp:TemplateColumn>
<asp:TemplateColumn SortExpression="Serial No" HeaderText="Serial No">
<ItemTemplate>
<asp:Label ID="Serial_No" Runat="server" Text='<%# DataBinder.Eval ( Container.DataItem, "Serial No" ) %>'>
</asp:Label>
</ItemTemplate>
</asp:TemplateColumn>
<asp:TemplateColumn SortExpression="Ref Price" HeaderText="Value">
<ItemTemplate>
<asp:Label ID="Ref_Price" Runat="server" Text='<%# DataBinder.Eval ( Container.DataItem, "Ref Price" ) %>'>
</asp:Label>
</ItemTemplate>
</asp:TemplateColumn>
<asp:TemplateColumn SortExpression="Item Status" HeaderText="Item Status">
<ItemTemplate>
<asp:Label ID="Item_Status" Runat="server" Text='<%# DataBinder.Eval ( Container.DataItem, "Item Status" ) %>'>
</asp:Label>
</ItemTemplate>
</asp:TemplateColumn>
<asp:TemplateColumn SortExpression="location" HeaderText="Location">
<ItemTemplate>
<asp:Label ID="location" Runat="server" Text='<%# DataBinder.Eval ( Container.DataItem, "location" ) %>'>
</asp:Label>
</ItemTemplate>
</asp:TemplateColumn>
<asp:TemplateColumn SortExpression="forecastdays" HeaderText="Days">
<ItemTemplate>
<asp:Label ID="forecastdays" Runat="server" Text='<%# DataBinder.Eval ( Container.DataItem, "forecastdays" ) %>'>
</asp:Label>
</ItemTemplate>
</asp:TemplateColumn>
<asp:TemplateColumn SortExpression="expirydate" HeaderText="Expired Date">
<ItemTemplate>
<asp:Label ID="ExpiryDate" Runat="server" Text='<%# DataBinder.Eval ( Container.DataItem, "expirydate") %>'>
</asp:Label>
</ItemTemplate>
</asp:TemplateColumn>
</Columns>
<PagerStyle NextPageText="Next <img src='../images/arrowsOutline.gif' border=0 alt='arrow Bullet' width='14' height='11' align='absmiddle'>"
PrevPageText="<img src='../images/arrowsOutline_left.gif' border=0 alt='left Arrow' width='14' height='11' align='absmiddle'> Previous"
HorizontalAlign="Right"></PagerStyle>
</asp:datagrid></TD>
<TD width=10><IMG height="1" src="../images/spacer.gif" width="10" border="0"></TD>
</TR>
<tr>
<td colspan="3"><IMG height="10" src="../images/spacer.gif" width="1" border=0></td>
</tr>
<tr>
<td><IMG height="1" src="../images/spacer.gif" width="1" border=0></td>
<td class="lineSeperator" height="1"><IMG height="1" src="../images/spacer.gif" width="1" border=0></td>
<td><IMG height="1" src="../images/spacer.gif" width="1" border=0></td>
</tr>
</TABLE>
</div>
</ContentTemplate>
</asp:UpdatePanel>
【问题讨论】：
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能否分享源代码。如果您没有清楚地提出您的问题，这将无济于事。