C# 自动部署之附加数据库

private bool Attachdb()
{ 
    //sMDBFile 为mdf文件路径
    //sLog 为ldf文件路径
    string sMDBFile = Server.MapPath("/data/DBTest.mdf");
    string sLog = Server.MapPath("/data/DBTest_log.ldf");
    string dbname = "DBTest";
    try
    {
        string sql = string.Empty;

        if (System.IO.File.Exists(sMDBFile))
        {
            sql = "EXEC sp_attach_db   @dbname   =   ‘" + dbname +
                  "‘,   @filename1   =   ‘" + sMDBFile +
                  "‘,@filename2=‘" + sLog + "‘";
            SqlConnection conn = new SqlConnection(string.Format("Data Source={0};Initial Catalog=master;User ID={1};PWD={2}", "(local)", "sa", "123456"));
            using (conn)
            {
                lock (conn)
                {
                    conn.Open();
                    SqlCommand cmd = new SqlCommand(sql, conn);
                    cmd.ExecuteNonQuery();
                }
            }
        }
        return true;
    }
    catch
    {
        return false;
    }
}