用asp.net程序备份或还原SQLServer_[Asp.Net教程]
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" %>














数据库还原和备份


请选择数据库






数据库文件名





操作选项






操作













.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;

///

/// 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
///

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();
}
}
}



转载：http://blog.csdn.net/zhoufoxcn