public void BeginTransaction()
{
if (this.idbTransaction == null)
{
idbTransaction =
DBManagerFactory.GetTransaction(this.ProviderType);
}
this.idbCommand.Transaction = idbTransaction;
}
public int ExecuteNonQuery(CommandType commandType, string
commandText)
{
this.idbCommand = DBManagerFactory.GetCommand(this.ProviderType);
PrepareCommand(idbCommand, this.Connection, this.Transaction,
commandType, commandText, this.Parameters);
int returnValue = idbCommand.ExecuteNonQuery();
idbCommand.Parameters.Clear();
return(returnValue);
}
public void Open()
{
idbConnection =
DBManagerFactory.GetConnection(this.providerType);
idbConnection.ConnectionString = this.ConnectionString;
if (idbConnection.State != ConnectionState.Open)
{
idbConnection.Open();
}
this.idbCommand = DBManagerFactory.GetCommand(this.ProviderType);
}
public IDataReader ExecuteReader(CommandType commandType, string
commandText)
{
this.idbCommand = DBManagerFactory.GetCommand(this.ProviderType);
idbCommand.Connection = this.Connection;
PrepareCommand(idbCommand, this.Connection, this.Transaction,
commandType,
commandText, this.Parameters);
this.DataReader = idbCommand.ExecuteReader();
idbCommand.Parameters.Clear();
return(this.DataReader);
}
public int Update(CommandType commandType, string
commandText, DataSet ds)
{
this.idbCommand = DBManagerFactory.GetCommand(this.ProviderType);
PrepareCommand(idbCommand, this.Connection, this.Transaction,
commandType,
commandText, this.Parameters);
IDbDataAdapter dataAdapter = DBManagerFactory.GetDataAdapter
(this.ProviderType);
dataAdapter.UpdateCommand = idbCommand;
int affectedRows = dataAdapter.Update(ds);
idbCommand.Parameters.Clear();
return(affectedRows);
}
public DataSet ExecuteDataSet(CommandType commandType, string
commandText)
{
this.idbCommand = DBManagerFactory.GetCommand(this.ProviderType);
PrepareCommand(idbCommand, this.Connection, this.Transaction,
commandType,
commandText, this.Parameters);
IDbDataAdapter dataAdapter = DBManagerFactory.GetDataAdapter
(this.ProviderType);
dataAdapter.SelectCommand = idbCommand;
DataSet dataSet = new DataSet();
dataAdapter.Fill(dataSet);
idbCommand.Parameters.Clear();
return(dataSet);
}
public void CreateParameters(int paramsCount)
{
idbParameters = new IDbDataParameter[paramsCount];
idbParameters = DBManagerFactory.GetParameters(this.ProviderType,
paramsCount);
}
