.....
DataRow row;
ListGUO.Clear();
SqlDataReader reader = null;
SqlCommand command = new SqlCommand();
command.CommandType = CommandType.StoredProcedure;
command.CommandText = "GetGuoForListTUO";
command.Parameters.Add("@GUO_TABL_NAME", SqlDbType.VarChar,  4000 ).Value = "/KontrAgent/";
reader = command.ExecuteReader();
if (reader == null)
      return false;
while (reader.Read())
{
       row = ListGUO.NewRow();
       row["TUO_ID"] = reader["TUO_ID"];
       row["Tabl_Name"] = reader["TABL_NAME"];
       row["TUO_Name"] = reader["TUO_NAME"];
       row["GUO_ID"] = reader["GUO_ID"];
       row["GUO_KOD"] = reader["GUO_Kod"];
       row["GUO_Name"] = reader["Name"];
       row["GUO_Level"] = reader["GUO_Level"];
       row["Gruppa"] = reader["Gruppa"];
       row["TUO_Picture"] = reader["Picture"];
       row["IND"] =  0 ;
       ListGUO.Rows.Add(row);
}
reader.Close();
return true;