ASP.NET中备份SQL Server数据库的方法

protected void Button1_Click(object sender, EventArgs e)
{
string newname = "WebJake" + DateTime.Now.Year.ToString() + DateTime.Now.Month.ToString() + DateTime.Now.Day.ToString() + DateTime.Now.Hour.ToString()+".bak";
SqlConnection cn = DB.createCon();
string nepath=Server.MapPath("../../DataBack/")+newname;
string sql = "BACKUP DATABASE WebJake to DISK ='"+nepath+"'";
SqlCommand cmd = new SqlCommand(sql,cn);
try
{
cn.Open();
cmd.ExecuteNonQuery();
HyperLink1.Text = "成功备份到服务器：" + nepath+" 请点击下载！";
HyperLink1.NavigateUrl = "../../DataBack/"+newname;
HyperLink1.Visible = true;
}
catch (Exception ex)
{
string exm = ex.Message;
Label1.Text = "备份数据库出错，该文件可能不存在！";
Label1.Visible = true;
}
finally
{
cmd.Dispose();
cn.Close();
cn.Dispose();
}