Exemplo n.º 1
0
        private static CABDAVCollection ExecuteReader(ref CABDAVCollection collection, ref FbDataReader dataReader, FbCommand dbCommand)
        {
            using (dataReader = dbCommand.ExecuteReader())
            {
                collection = new CABDAVCollection();

                if (dataReader.HasRows)
                {
                    while (dataReader.Read())
                    {
                        collection.Add(FillEntityObject(ref dataReader));
                    }
                }

                if (!(dataReader.IsClosed))
                {
                    dataReader.Close();
                }
                dataReader.Dispose();
            }

            return(collection);
        }
Exemplo n.º 2
0
        public CABDAVCollection ReadCollectionByParameter(List <RowsFiltro> RowsFiltro, string FieldOrder)
        {
            FbDataReader     dataReader = null;
            CABDAVCollection collection = null;

            string strSqlCommand = String.Empty;

            try
            {
                if (RowsFiltro != null)
                {
                    if (RowsFiltro.Count > 0)
                    {
                        strSqlCommand = "SELECT * FROM CABDAV WHERE (";

                        ArrayList _rowsFiltro = new ArrayList();
                        RowsFiltro.ForEach(delegate(RowsFiltro i)
                        {
                            string[] item = { i.Condicao.ToString(), i.Campo.ToString(), i.Tipo.ToString(), i.Operador.ToString(), i.Valor.ToString() };
                            _rowsFiltro.Add(item);
                        });

                        int _count = 1;
                        foreach (string[] item in _rowsFiltro)
                        {
                            strSqlCommand += "(" + item[1] + " " + item[3];
                            switch (item[2])
                            {
                            case ("System.String"):
                                if (item[3].ToUpper() != "LIKE")
                                {
                                    strSqlCommand += " '" + item[4] + "')";
                                }
                                else
                                {
                                    strSqlCommand += " '%" + item[4] + "%')";
                                }
                                break;

                            case ("System.Int16"):
                                if (item[3].ToUpper() != "LIKE")
                                {
                                    strSqlCommand += " " + item[4] + ")";
                                }
                                else
                                {
                                    strSqlCommand += " '%" + item[4] + "%')";
                                }
                                break;

                            case ("System.Int32"):
                                if (item[3].ToUpper() != "LIKE")
                                {
                                    strSqlCommand += " " + item[4] + ")";
                                }
                                else
                                {
                                    strSqlCommand += " '%" + item[4] + "%')";
                                }
                                break;

                            case ("System.Int64"):
                                if (item[3].ToUpper() != "LIKE")
                                {
                                    strSqlCommand += " " + item[4] + ")";
                                }
                                else
                                {
                                    strSqlCommand += " '%" + item[4] + "%')";
                                }
                                break;

                            case ("System.Double"):
                                if (item[3].ToUpper() != "LIKE")
                                {
                                    strSqlCommand += " " + item[4] + ")";
                                }
                                else
                                {
                                    strSqlCommand += " '%" + item[4] + "%')";
                                }
                                break;

                            case ("System.Decimal"):
                                if (item[3].ToUpper() != "LIKE")
                                {
                                    strSqlCommand += " " + item[4] + ")";
                                }
                                else
                                {
                                    strSqlCommand += " '%" + item[4] + "%')";
                                }
                                break;

                            case ("System.Float"):
                                if (item[3].ToUpper() != "LIKE")
                                {
                                    strSqlCommand += " " + item[4] + ")";
                                }
                                else
                                {
                                    strSqlCommand += " '%" + item[4] + "%')";
                                }
                                break;

                            case ("System.Byte"):
                                strSqlCommand += " " + item[4] + ")";
                                break;

                            case ("System.SByte"):
                                strSqlCommand += " " + item[4] + ")";
                                break;

                            case ("System.Char"):
                                if (item[3].ToUpper() != "LIKE")
                                {
                                    strSqlCommand += " '" + item[4] + "')";
                                }
                                else
                                {
                                    strSqlCommand += " '%" + item[4] + "%')";
                                }
                                break;

                            case ("System.DateTime"):
                                if (item[3].ToUpper() != "LIKE")
                                {
                                    strSqlCommand += " '" + item[4] + "')";
                                }
                                else
                                {
                                    strSqlCommand += " '%" + item[4] + "%')";
                                }
                                break;

                            case ("System.Guid"):
                                if (item[3].ToUpper() != "LIKE")
                                {
                                    strSqlCommand += " '" + item[4] + "')";
                                }
                                else
                                {
                                    strSqlCommand += " '%" + item[4] + "%')";
                                }
                                break;

                            case ("System.Boolean"):
                                strSqlCommand += " " + item[4] + ")";
                                break;
                            }
                            if (_rowsFiltro.Count > 1)
                            {
                                if (_count < _rowsFiltro.Count)
                                {
                                    strSqlCommand += " " + item[0] + " ";
                                }
                                _count++;
                            }
                        }
                        strSqlCommand += ")  order by  " + FieldOrder;
                    }
                    else
                    {
                        strSqlCommand = "SELECT * FROM CABDAV  order by  " + FieldOrder;
                    }
                }
                else
                {
                    strSqlCommand = "SELECT * FROM CABDAV  order by " + FieldOrder;
                }

                //Verificando a existência de um transação
                if (dbTransaction != null)
                {
                    if (dbCnn.State == ConnectionState.Closed)
                    {
                        dbCnn.Open();
                    }

                    dbCommand             = new FbCommand(strSqlCommand, dbCnn);
                    dbCommand.CommandType = CommandType.Text;
                    dbCommand.Transaction = ((FbTransaction)(dbTransaction));
                }
                else
                {
                    if (dbCnn == null)
                    {
                        dbCnn = new FbConnection(connectionString);
                    }

                    if (dbCnn.State == ConnectionState.Closed)
                    {
                        dbCnn.Open();
                    }

                    dbCommand             = new FbCommand(strSqlCommand, dbCnn);
                    dbCommand.CommandType = CommandType.Text;
                    dbCommand.Transaction = dbCnn.BeginTransaction(IsolationLevel.ReadCommitted);
                }


                collection = ExecuteReader(ref collection, ref dataReader, dbCommand);

                if (dataReader != null)
                {
                    dataReader.Close();
                    dataReader.Dispose();
                }

                if (dbTransaction == null)
                {
                    dbCommand.Transaction.Commit();
                    dbCnn.Close();
                }

                return(collection);
            }
            catch (Exception ex)
            {
                // Deleta reader
                if (dataReader != null)
                {
                    dataReader.Close();
                    dataReader.Dispose();
                }

                if (dbTransaction != null)
                {
                    this.RollbackTransaction();
                }
                else
                {
                    if (dbCommand.Transaction != null)
                    {
                        dbCommand.Transaction.Rollback();
                    }
                    if (dbCnn.State == ConnectionState.Open)
                    {
                        dbCnn.Close();
                    }
                }

                throw ex;
            }
        }