我应该在哪里把我的UpdatePanel
我一直负责更新ASP Web应用程序到Visual Studio 2015年我有一个母版页,看起来像这样:我有一个ASP网页有一个GridView我应该在哪里把我的UpdatePanel
<%@ Master Language="C#" AutoEventWireup="true" CodeBehind="HorizontalMenu.master.cs" Inherits="HomiLog2015.HorizontalMenu" %>
<%@ Register Src="~/Header and Footer/Footer.ascx" TagPrefix="uc1" TagName="Footer" %>
<%@ Register Src="~/Header and Footer/Header.ascx" TagPrefix="uc1" TagName="Header" %>
<%@ Register Src="~/Menu.ascx" TagPrefix="uc1" TagName="Menu" %>
<link href="App_Themes/Rockies/BaseStyles.css" rel="stylesheet" />
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body id="Body1" runat="server">
<form runat="server" id="form1" method="post">
<asp:ScriptManager ID="scriptManager1" runat="server" EnablePartialRendering="True" EnablePageMethods="True" EnableScriptGlobalization="True" EnableScriptLocalization="True">
</asp:ScriptManager>
<table border="0">
<tr>
<td class="pcT" colspan="2">
<uc1:Header runat="server" ID="Header1" />
</td>
<td class="pcTR"></td>
</tr>
<tr>
<td class="pcml"></td>
<td class="MLMmc">
<uc1:Menu runat="server" id="Menu1" />
</td>
</tr>
<tr>
<td class="pcL"></td>
<td class="pcC">
<asp:ContentPlaceHolder id="PageContent" runat="server"/>
</td>
<td class="pcR"></td>
</tr>
<tr>
<td class="pcBL"></td>
<td class="pcB">
<uc1:Footer runat="server" ID="Footer1" />
</td>
<td class="pcBR"></td>
</tr>
</table>
</form>
</body>
</html>
并需要编辑,删除和插入记录。我已经获得了编辑和删除功能,但在插入部分存在问题。
当我试图保存新记录时,所有的数据字段都是空的。我知道C#代码正在读取行上的文本值,因为我有一个下拉列表和一个复选框来获取它们的值,但这是默认值,而不是我为插入选择的值。
很确定这是一个回发问题,因为我注意到我的网页上没有UpdatePanel。我试图将GridView包装在UpdatePanel中,但是当我这样做时,我得到错误,说明GridView不是已知的元素。我曾尝试在div中包装gridview,然后在更新面板中包装div。但后来我得到的错误div不能嵌套在更新面板。
所以我认为我需要在Master页面上包含更新面板,但是当我将它移动到那里时,无法获得它进行编译。我曾尝试将面板放在主页上的各个位置。有人能指出我在这方面的正确方向吗?
我一直在问到这里提供更多的代码是具有在GridView
<%@ Page Title="" Language="C#" MasterPageFile="~/HorizontalMenu.Master"
AutoEventWireup="true" CodeBehind="EditMembers.aspx.cs"
Inherits="HomiLog2015.EditMembers" %>
<%@ Register Assembly="Telerik.Web.UI" Namespace="Telerik.Web.UI"
TagPrefix="telerik" %>
<asp:Content ID="Content2" ContentPlaceHolderID="PageContent"
runat="server">
<section id="searchHeader" class="Search">
<p class="searchp">Members</p>
</section>
<section id="SearchArea" class="SearchBar">
Search for:
<br />
<br />
Last Name:
</section>
<section id="searchFooter" class="Search">
<p>*</p>
</section>
<telerik:RadAjaxManager ID="RadAjaxManager1" runat="server">
</telerik:RadAjaxManager>
<telerik:RadAjaxLoadingPanel ID="RadAjaxLoadingPanel1" runat="server"
Skin="Default"></telerik:RadAjaxLoadingPanel>
<telerik:RadFormDecorator ID="RadFormDecorator1" runat="server" />
<section id="grid" class="Grid-Container">
<p style="text-align: Left;">
<asp:Button ID="btnAdd" runat="Server" Text="Add New Record"
OnClick="btnAdd_Click" /></p>
<asp:GridView ID="MembersGridView" runat="server" EnableViewState="true"
DataKeyNames="UserId"
AutoGenerateColumns="false"
AutoGenerateEditButton="true"
AutoGenerateDeleteButton="false"
OnRowDataBound="MembersGridView_RowDataBound"
OnRowEditing="MembersGridView_RowEditing"
OnRowCancelingEdit="MembersGridView_RowCancelingEdit"
OnRowUpdating="MembersGridView_RowUpdating"
OnRowUpdated="MembersGridView_RowUpdated"
OnRowDeleting="MembersGridView_RowDeleting"
OnRowCommand="MembersGridView_RowCommand"
OnSorting="MembersGridView_Sorting"
AllowPaging="true"
AllowSorting="true"
EmptyDataText="No Data Has Been Entered"
HorizontalAlign="Left"
ShowFooter="false"
OnPageIndexChanging="MembersGridView_PageIndexChanging"
BackColor="White" BorderColor="#999999" BorderStyle="Solid"
BorderWidth="1px" CellPadding="3" ForeColor="Black" GridLines="Vertical">
<Columns>
<asp:TemplateField>
<ItemTemplate>
<asp:ImageButton runat="server" ID="MembersDeleteButton"
CommandArgument='<%#Eval("username")%>'
OnClientClick="return confirm('Are you sure you want
to delete this event?');"
OnCommand="DeleteMember" Text="Delete"
ImageUrl="../Images/Icon_delete.gif">
</asp:ImageButton>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Valid" ItemStyle-Width="10">
<ItemTemplate>
<asp:CheckBox ID="chkActive" runat="server" Checked='<%#
Eval("valid")%>' Enabled="false"></asp:CheckBox>
</ItemTemplate>
<EditItemTemplate>
<asp:CheckBox ID="chkActive" runat="server" Checked='<%#
Eval("valid")%>'></asp:CheckBox>
</EditItemTemplate>
<FooterTemplate>
<asp:CheckBox ID="chkActive" runat="server" />
</FooterTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="First Name" ItemStyle-
Width="100">
<ItemTemplate>
<asp:Label ID="lblFirstName" runat="server" Text='<%#
Eval("firstname")%>'></asp:Label>
</ItemTemplate>
<EditItemTemplate>
<asp:TextBox ID="txtFirstName" runat="server" Text='<%#
Eval("firstname")%>'></asp:TextBox>
</EditItemTemplate>
<FooterTemplate>
<asp:TextBox ID="txtFirstName" Text="Hello"
runat="server"></asp:TextBox>
</FooterTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Last Name" ItemStyle-Width="100">
<ItemTemplate>
<asp:Label ID="lblLastName" runat="server" Text='<%#
Eval("Lastname")%>'></asp:Label>
</ItemTemplate>
<EditItemTemplate>
<asp:TextBox ID="txtLastName" runat="server" Text='<%#
Eval("Lastname")%>'></asp:TextBox>
</EditItemTemplate>
<FooterTemplate>
<asp:TextBox ID="txtLastName" runat="server">
</asp:TextBox>
</FooterTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="User Name" ItemStyle-Width="100">
<ItemTemplate>
<asp:Label ID="lblUsertName" runat="server" Text='<%#
Eval("username")%>'></asp:Label>
</ItemTemplate>
<EditItemTemplate>
<asp:TextBox ID="txtUserName" runat="server" Text='<%#
Eval("username")%>'></asp:TextBox>
</EditItemTemplate>
<FooterTemplate>
<asp:TextBox ID="txtUserName" runat="server">
</asp:TextBox>
</FooterTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Role" ItemStyle-Width="100">
<ItemTemplate>
<asp:Label ID="lblRole" runat="server" Text='<%#
Eval("role")%>'></asp:Label>
</ItemTemplate>
<EditItemTemplate>
<asp:DropDownList ID="ddlRole" runat="server"
DataTextField="Role1" DataValueField="RoleID"></asp:DropDownList>
</EditItemTemplate>
<FooterTemplate>
<asp:DropDownList ID="ddlRole" runat="server"
DataTextField="Role1" DataValueField="RoleID"></asp:DropDownList>
</FooterTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Email" ItemStyle-Width="100">
<ItemTemplate>
<asp:Label ID="lblEmail" runat="server" Text='<%#
Eval("EmailAddress")%>'></asp:Label>
</ItemTemplate>
<EditItemTemplate>
<asp:TextBox ID="txtemail" runat="server" Text='<%#
Eval("EmailAddress")%>'></asp:TextBox>
</EditItemTemplate>
<FooterTemplate>
<asp:TextBox ID="txtEmail" runat="server"></asp:TextBox>
<asp:Button ID="btnInsert" runat="Server" Text="Insert"
CommandName="Insert" UseSubmitBehavior="False" />
</FooterTemplate>
</asp:TemplateField>
</Columns>
<PagerSettings Mode="Numeric"
Position="Bottom"
PageButtonCount="10" />
<AlternatingRowStyle BackColor="#CCCCCC" />
<FooterStyle BackColor="#CCCCCC" />
<HeaderStyle BackColor="Black" Font-Bold="True" ForeColor="White" />
<PagerStyle BackColor="#999999"
Height="30px"
VerticalAlign="Bottom"
HorizontalAlign="center" ForeColor="Black" />
<SelectedRowStyle BackColor="#000099" Font-Bold="True"
ForeColor="White" />
<SortedAscendingCellStyle BackColor="#F1F1F1" />
<SortedAscendingHeaderStyle BackColor="#808080" />
<SortedDescendingCellStyle BackColor="#CAC9C9" />
<SortedDescendingHeaderStyle BackColor="#383838" />
<EmptyDataTemplate>
<asp:CheckBox ID="chkActive" runat="server" Checked='<%#
Eval("valid")%>' Enabled="false"></asp:CheckBox>
<asp:Label ID="lblFirstName" runat="server" Text='<%#
Eval("firstname")%>'></asp:Label>
<asp:Label ID="lblLastName" runat="server" Text='<%#
Eval("Lastname")%>'></asp:Label>
<asp:Label ID="lblUsertName" runat="server" Text='<%#
Eval("username")%>'></asp:Label>
<asp:DropDownList ID="ddlRole" runat="server"
DataTextField="Role1" DataValueField="RoleID"></asp:DropDownList>
<asp:Label ID="lblEmail" runat="server" Text='<%#
Eval("EmailAddress")%>'></asp:Label>
</EmptyDataTemplate>
</asp:GridView>
</section>
</asp:Content>
我试图把在此页面上的不同位置更新面板ASPX页面,但它不会编译。
主页是造型。在这种情况下,你不应该触摸它们。
属性添加的MasterPageFile到页元素中包含你的GridView你的.aspx标记文件。
<%@ Page MasterPageFile="~/YOUR_MASTER_PAGE_FILE" ... %>
注意ASP的id:在你的母版页的ContentPlaceHolder。
<asp:ContentPlaceHolder id="PageContent" runat="server"/>
总结新的.aspx页面中ASP内容:内容具有的属性ASP元素:ContentPlaceHolderID等于ASP的ID:的ContentPlaceHolder元素在你的母版页文件。
<asp:Content ID="mainPlaceHolder" ContentPlaceHolderID="PageContent" runat="server">
Here is an example for inserting records using a GridView
请张贴相关的标记和后端代码,您GridView和插入逻辑。根据所提供的信息,我无法提供任何帮助。
“更新应用程序到Visual Studio 2015”是什么意思?这没有任何意义。 Visual Studio是一个IDE。 – DavidG