
ASP.NET 增删改查报错
报错:“ASP.default_aspx”不包“GridView1_SelectedIndexChanged”的定义,并且找不到可接受类型为“ASP.default_as...
报错:
“ASP.default_aspx”不包“GridView1_SelectedIndexChanged”的定义,并且找不到可接受类型为“ASP.default_aspx”的第一个参数的扩展方法“GridView1_SelectedIndexChanged”(是否缺少 using 指令或程序集引用?)
========================================================================
前台:
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>无标题页</title>
</head>
<body>
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" CellPadding="4"
ForeColor="#333333" GridLines="None"
OnRowDeleting="GridView1_RowDeleting" OnRowEditing="GridView1_RowEditing"
OnRowUpdating="GridView1_RowUpdating"
OnRowCancelingEdit="GridView1_RowCancelingEdit"
onselectedindexchanged="GridView1_SelectedIndexChanged">
<FooterStyle BackColor="#990000" Font-Bold="True" ForeColor="White" />
<Columns>
<asp:BoundField DataField="id" HeaderText="用户ID" ReadOnly="True" />
<asp:BoundField DataField="username" HeaderText="用户姓名" />
<asp:BoundField DataField="password" HeaderText="密码" />
<asp:CommandField HeaderText="选择" ShowSelectButton="True" />
<asp:CommandField HeaderText="编辑" ShowEditButton="True" />
<asp:CommandField HeaderText="删除" ShowDeleteButton="True" />
</Columns>
<RowStyle ForeColor="#000066" />
<SelectedRowStyle BackColor="#669999" Font-Bold="True" ForeColor="White" />
<PagerStyle BackColor="White" ForeColor="#000066" HorizontalAlign="Left" />
<HeaderStyle BackColor="#006699" Font-Bold="True" ForeColor="White" />
</asp:GridView>
</body>
</html>
=======================================================================
去掉了后显示,
类型“GridView”的控件“GridView1”必须放在具有 runat=server 的窗体标记内
怎么办?? 展开
“ASP.default_aspx”不包“GridView1_SelectedIndexChanged”的定义,并且找不到可接受类型为“ASP.default_aspx”的第一个参数的扩展方法“GridView1_SelectedIndexChanged”(是否缺少 using 指令或程序集引用?)
========================================================================
前台:
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>无标题页</title>
</head>
<body>
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" CellPadding="4"
ForeColor="#333333" GridLines="None"
OnRowDeleting="GridView1_RowDeleting" OnRowEditing="GridView1_RowEditing"
OnRowUpdating="GridView1_RowUpdating"
OnRowCancelingEdit="GridView1_RowCancelingEdit"
onselectedindexchanged="GridView1_SelectedIndexChanged">
<FooterStyle BackColor="#990000" Font-Bold="True" ForeColor="White" />
<Columns>
<asp:BoundField DataField="id" HeaderText="用户ID" ReadOnly="True" />
<asp:BoundField DataField="username" HeaderText="用户姓名" />
<asp:BoundField DataField="password" HeaderText="密码" />
<asp:CommandField HeaderText="选择" ShowSelectButton="True" />
<asp:CommandField HeaderText="编辑" ShowEditButton="True" />
<asp:CommandField HeaderText="删除" ShowDeleteButton="True" />
</Columns>
<RowStyle ForeColor="#000066" />
<SelectedRowStyle BackColor="#669999" Font-Bold="True" ForeColor="White" />
<PagerStyle BackColor="White" ForeColor="#000066" HorizontalAlign="Left" />
<HeaderStyle BackColor="#006699" Font-Bold="True" ForeColor="White" />
</asp:GridView>
</body>
</html>
=======================================================================
去掉了后显示,
类型“GridView”的控件“GridView1”必须放在具有 runat=server 的窗体标记内
怎么办?? 展开
11个回答
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右击GridView1控件,选择属性,双击GridView的SelectedIndexChanged事件。
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onselectedindexchanged="GridView1_SelectedIndexChanged删了,或者在cs文件中写GridView1_SelectedIndexChanged()函数
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GridView1在后台没有定义SelectedIndexChanged这个方法
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你代码是复制的吧 建议先看懂代码再复制
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