asp.net备份还原SQLServer实例代码程序_.Net教程

2024-07-10 12:52:05

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前台页面： % @PageLanguage = C# AutoEventWireup = true CodeFile = ExportDemo.aspx.cs Inherits = ExportDemo % ! DOCTYPEhtmlPUBLIC-//W3C//DTDXHTML1.0xhtml1-transitional.dtd

主要是利用SQL Server提供的SQL语句来实现备份的。
备份：use master;backup database @name to disk=@path;
恢复：use master;restore database @name from disk=@path;
上面用的是参数化SQL语句，可以在程序执行的时候动态给参数赋值。

.aspx代码：

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

<!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>
    <form id="form1" runat="server">
    <div>
    <table border="0" width="100%">
    <tr><td colspan="2">数据库还原和备份</td></tr>
    <tr><td>请选择数据库</td><td>
        <asp:DropDownList ID="ddlDatabaseList" runat="server">
        </asp:DropDownList></td></tr>
    <tr><td>
        数据库文件名</td><td>
        <asp:TextBox ID="txtDbFileName" runat="server"></asp:TextBox></td></tr>
    <tr><td>
        操作选项</td><td>
        <asp:RadioButton ID="rbBackup" runat="server" Checked="True" GroupName="action" Text="备份" />
        <asp:RadioButton ID="rbRestore" runat="server" GroupName="action" Text="还原" /></td></tr>
        <tr><td>
        操作</td><td>
             <asp:Button ID="btnOK" runat="server" OnClick="btnOK_Click" Text="执行" /></td></tr>
    </table>
    </div>
    </form>
</body>
</html>

.cs代码

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;

/// <summary>
/// 功能说明：本例中演示在asp.net中如何备份和恢复数据库
/// 备份数据库主要使用数据库的备份语句。数据库备份文件放在
/// App_Data文件夹下。
/// 作者：周公
/// 日期：2008-08-19
/// 首发地址：http://blog.csdn.net/zhoufoxcn/archive/2008/08/19/2796077.aspx
/// </summary>
public partial class DatabaseAction : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!Page.IsPostBack)
        {
            //在DropDownList中绑定所有数据库
            SqlConnection connection = new SqlConnection("Data Source=ZHOUFOXCN;User ID=sa;Password=sa");
            SqlCommand command = new SqlCommand("sp_helpdb", connection);
            command.CommandType = CommandType.StoredProcedure;
            connection.Open();
            SqlDataReader reader = command.ExecuteReader();
            ddlDatabaseList.DataSource = reader;
            ddlDatabaseList.DataTextField = "Name";
            ddlDatabaseList.DataBind();
            reader.Close();
            connection.Close();
        }
    }
    protected void btnOK_Click(object sender, EventArgs e)
    {
        string dbFileName = txtDbFileName.Text.Trim();
        SqlConnection connection = new SqlConnection("Data Source=ZHOUFOXCN;User ID=sa;Password=sa");
        string dbName = ddlDatabaseList.SelectedValue;
        if (!dbFileName.EndsWith(".bak"))
        {
            dbFileName += ".bak";
        }
        if (rbBackup.Checked)//备份数据库
        {
            SqlCommand command = new SqlCommand("use master;backup database @name to disk=@path;",connection);
            connection.Open();
            string path=Server.MapPath("~//App_Data")+"//"+dbFileName;
            command.Parameters.AddWithValue("@name", dbName);
            command.Parameters.AddWithValue("@path", path);
            command.ExecuteNonQuery();
            connection.Close();
        }
        else//恢复数据库
        {
            SqlCommand command = new SqlCommand("use master;restore database @name from disk=@path;", connection);
            connection.Open();
            string path = Server.MapPath("~//App_Data") + "//" + dbFileName;
            command.Parameters.AddWithValue("@name", dbName);
            command.Parameters.AddWithValue("@path", path);
            command.ExecuteNonQuery();
            connection.Close();
        }
    }
}

分享：一个比较好看的网页翻页效果
显示效果：12345，点击了４后又显示，45678并转到第４页，如果总共有１0页，显示到678910就不再显示了。 .aspx trtdalign=centerdivclass=tbl 【当前页:asp:LabelID=lblcurpgrunat=server/asp:Label|总记录数:asp:LabelID=lblRecordrunat=server

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