private static FONTECollection ExecuteReader(ref FONTECollection collection, ref FbDataReader dataReader, FbCommand dbCommand)
{
using (dataReader = dbCommand.ExecuteReader())
{
collection = new FONTECollection();
if (dataReader.HasRows)
{
while (dataReader.Read())
{
collection.Add(FillEntityObject(ref dataReader));
}
}
if (!(dataReader.IsClosed))
{
dataReader.Close();
}
dataReader.Dispose();
}
return(collection);
}
public FONTECollection ReadCollectionByParameter(List <RowsFiltro> RowsFiltro, string FieldOrder)
{
FbDataReader dataReader = null;
FONTECollection collection = null;
string strSqlCommand = String.Empty;
try
{
if (RowsFiltro != null)
{
if (RowsFiltro.Count > 0)
{
strSqlCommand = "SELECT * FROM FONTE 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 FONTE order by " + FieldOrder;
}
}
else
{
strSqlCommand = "SELECT * FROM FONTE 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;
}
}