错误:不包含...的定义,也没有扩展名

时间:2018-12-03 22:40:42

标签: asp.net

我对此并不陌生,所以我想知道是否有人可以帮助我。我不完全确定问题是什么,也不知道如何解决。我该怎么办?

错误消息:

  

'ASP.modifyinfo_aspx'不包含以下定义   'GridView1_SelectedIndexChanged',并且没有扩展方法   'GridView1_SelectedIndexChanged'接受类型的第一个参数   可以找到“ ASP.modifyinfo_aspx”(您是否缺少使用   指令还是程序集引用?)

我的代码:

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Modifyinfo.aspx.cs" 
 Inherits="Modifyinfo" %>

 <!DOCTYPE html>

 <html xmlns="http://www.w3.org/1999/xhtml">
 <head runat="server">
 <title></title>
 </head>
 <body>
 <form id="form1" runat="server">
    <div>
    </div>
    <asp:GridView ID="Modify" runat="server" AutoGenerateColumns="False" 
 ShowFooter="true" DataKeyNames="ID" BackColor="White" 
 BorderColor="#CCCCCC" BorderStyle="None" BorderWidth="1px" CellPadding="3" 
 DataSourceID="SqlDataSource1" 
 OnSelectedIndexChanged="GridView1_SelectedIndexChanged">
        <Columns>
            <asp:BoundField DataField="Id" HeaderText="Id" 
 SortExpression="Id" />
            <asp:BoundField DataField="UserName" HeaderText="UserName" 
 SortExpression="UserName" />
            <asp:BoundField DataField="FirstName" HeaderText="FirstName" 
 SortExpression="FirstName" />
            <asp:BoundField DataField="SurName" HeaderText="SurName" 
 SortExpression="SurName" />
            <asp:BoundField DataField="DateOfBirth" HeaderText="DateOfBirth" 
 SortExpression="DateOfBirth" />
            <asp:BoundField DataField="Course" HeaderText="Course" 
 SortExpression="Course" />
            <asp:BoundField DataField="TimeofUpdate" 
 HeaderText="TimeofUpdate" SortExpression="TimeofUpdate" />
            <asp:BoundField DataField="CurrentLocation" 
 HeaderText="CurrentLocation" SortExpression="CurrentLocation" />
        </Columns>
        <FooterStyle BackColor="White" ForeColor="#000066" />
        <HeaderStyle BackColor="#006699" Font-Bold="True" ForeColor="White" 
 />
        <PagerStyle BackColor="White" ForeColor="#000066" 
 HorizontalAlign="Left" />
        <RowStyle ForeColor="#000066" />
        <SelectedRowStyle BackColor="#669999" Font-Bold="True" 
 ForeColor="White" />
        <SortedAscendingCellStyle BackColor="#F1F1F1" />
        <SortedAscendingHeaderStyle BackColor="#007DBB" />
        <SortedDescendingCellStyle BackColor="#CAC9C9" />
        <SortedDescendingHeaderStyle BackColor="#00547E" />
        <Columns>
        <asp:TemplateField>
            <ItemTemplate>
                <asp:ImageButton ImageUrl="~/images/edit.png" runat="server" 
 CommandName="Edit" tooltip="Edit" Width="20px" Height="20px"/>
                <asp:ImageButton ImageUrl="~/images/delete.png" 
 runat="server" CommandName="Delete" tooltip="Delete" Width="20px" 
 Height="20px"/>
            </ItemTemplate>
            <EditItemTemplate>
                <asp:ImageButton ImageUrl="~/images/save.png" runat="server" 
 CommandName="Update" tooltip="Update" Width="20px" Height="20px"/>
                <asp:ImageButton ImageUrl="~/images/cancel.png" 
 runat="server" CommandName="Cancel" tooltip="Cancel" Width="20px" 
 Height="20px"/>
            </EditItemTemplate>
            <FooterTemplate>
                <asp:ImageButton ImageUrl="~/images/addnew.png" 
 runat="server" CommandName="AddNew" tooltip="AddNew" Width="20px" 
 Height="20px"/>
            </FooterTemplate>
        </asp:TemplateField>

        </Columns>
    </asp:GridView>
    <br />
    <asp:Label ID="lblSuccessMessage" Text="" runat="server" 
 ForeColor="Green" />
    <br />
    <asp:Label ID="lblErrorMessage" Text="" runat="server" ForeColor="Red" 
 />
    <asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString=" 
 <%$ ConnectionStrings:rde_529455ConnectionString %>" SelectCommand="SELECT 
* FROM [STUDENTSIDE]"></asp:SqlDataSource>
</form>
</body>
</html>

0 个答案:

没有答案