this.cmd.CommandText = "p_auth";
				
			this.cmd.CommandType = CommandType.StoredProcedure;
				
			this.cmd.Parameters.Add( new  SqlParameter("@psw", SqlDbType.VarChar,8)); 
				
			this.cmd.Parameters.Add( new SqlParameter(  "@login", SqlDbType.VarChar,8 ));
				
			this.cmd.Parameters.Add( new SqlParameter(  "@aut_code", SqlDbType.Int ));
			this.cmd.Parameters["@aut_code"].Direction = ParameterDirection.Output;

declare @a int set @a= 0 
exec p_authentification 'adm','adm','/stat/default.aspx', @a out
select @a

			this.cmd.ExecuteNonQuery();
			SqlParameter p  =   this.cmd.Parameters["@aut_code"];

declare @a int set @a= 0 
exec p_auth  'adm','adm', @a out
select @a