system/bak.aspx.cs

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

public partial class pass : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {

        }
    }

    /// <summary>
    /// 添加
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    protected void btnSave_Click(object sender, EventArgs e)
    {
        //验证代码
        try
        {
            string add =  "db.bak";
           string addr=(Server.MapPath("..\\App_Data\\") + "" + add);
            string strSql = String.Format(@"use teacherDB; backup database teacherDB to disk='{0}'",
                                      addr);
            SqlHelper.ExecuteNonQuery(strSql);


            Label1.Text = "备份成功！数据库文件备份路径：App_Data/" + add;
            Page.ClientScript.RegisterStartupScript(this.GetType(), "alert", "<script>alert('操作成功，请返回!');</script>");      

        }
        catch (Exception exp)
        {
            Page.ClientScript.RegisterStartupScript(this.GetType(), "alert", "<script>alert('"+ "备份失败!原因:" + exp.Message + "!');</script>");
       
        }


    }
}