各位这是什么问题

xiaosong100 2003-10-17 02:53:35

default.aspx文件

<%@ Page language="c#" Codebehind="default.aspx.cs" AutoEventWireup="false" Inherits="study._default" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
<HEAD>
<title>default</title>
<meta name="GENERATOR" Content="Microsoft Visual Studio 7.0">
<meta name="CODE_LANGUAGE" Content="C#">
<meta name="vs_defaultClientScript" content="JavaScript">
<meta name="vs_targetSchema" content="http://schemas.microsoft.com/intellisense/ie5">
</HEAD>
<body MS_POSITIONING="GridLayout">
<form id="default" method="post" runat="server">
<FONT face="宋体">
<asp:DataGrid id="DataGrid1"
style="Z-INDEX: 101; LEFT: 29px; POSITION: absolute; TOP: 110px"
runat="server"
Width="851px"
DataKeyField="book_num">
<Columns>
<asp:ButtonColumn Text="Delete" CommandName="Delete"></asp:ButtonColumn>
<asp:HyperLinkColumn DataNavigateUrlField="book_num" DataNavigateUrlFormatString="mybooks.aspx?id={0}" DataTextField="book_num" HeaderText="id"></asp:HyperLinkColumn>
</Columns>
</asp:DataGrid>
<asp:Button id="Button1" style="Z-INDEX: 102; LEFT: 93px; POSITION: absolute; TOP: 25px" runat="server" Text="Button"></asp:Button>
<asp:Button id="Button2" style="Z-INDEX: 103; LEFT: 195px; POSITION: absolute; TOP: 24px" runat="server" Text="Button"></asp:Button></FONT>
</form>
</body>
</HTML>

default.aspx.cx 文件
using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
namespace study
{
/// <summary>
/// _default 的摘要说明。
/// </summary>
public class _default : System.Web.UI.Page
{
protected System.Web.UI.WebControls.Button Button1;
protected System.Web.UI.WebControls.Button Button2;
protected System.Web.UI.WebControls.DataGrid DataGrid1;

private void Page_Load(object sender, System.EventArgs e)
{
// 在此处放置用户代码以初始化页面
mybookdate mybooks=new mybookdate();

DataGrid1.DataSource=mybooks.mybookitem();
DataGrid1.DataBind();

}

#region Web Form Designer generated code
override protected void OnInit(EventArgs e)
{
//
// CODEGEN：该调用是 ASP.NET Web 窗体设计器所必需的。
//
InitializeComponent();
base.OnInit(e);
}

/// <summary>
/// 设计器支持所需的方法 - 不要使用代码编辑器修改
/// 此方法的内容。
/// </summary>
private void InitializeComponent()
{
this.Button1.Click += new System.EventHandler(this.Button1_Click);
this.Button2.Click += new System.EventHandler(this.Button2_Click);
this.DataGrid1.DeleteCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.DataGrid1_DeleteCommand);
this.Load += new System.EventHandler(this.Page_Load);

}
#endregion

private void Button1_Click(object sender, System.EventArgs e)
{
Response.Redirect("showall.aspx");
}

private void Button2_Click(object sender, System.EventArgs e)
{
Response.Redirect("datasr.aspx");
}

private void DataGrid1_DeleteCommand(object sender, DataGridCommandEventArgs e)
{
string Dstring;

SqlConnection myconn=new SqlConnection(db.ConnectionString);
string Nowsid=DataGrid1.DataKeys[e.Item.ItemIndex].ToString();
int nowsid=Convert.ToInt32(Nowsid);
Dstring = "Delete From book_main where book_num =" + nowsid + "";

SqlCommand UpStaff=new SqlCommand(Dstring,myconn);
UpStaff.Connection.Open();
UpStaff.ExecuteNonQuery();//执行保存

UpStaff.Connection.Close();

}
}
}

错误显示是JAVASCRIPT缺少表识符

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