DataAccess：

public interface DataAccess

{

#region Support Property & Method

DatabaseType DatabaseType{get;}

IDbConnection DbConnection{get;}

PersistenceManager PersistenceManager{get;}

IDbTransaction BeginTransaction();

void Open();

void Close();

bool IsClosed{get;}



#endregion



#region ExecuteNonQuery



int ExecuteNonQuery(CommandType commandType, string commandText);

int ExecuteNonQuery(string commandText);

int ExecuteNonQuery(string commandText, QueryParameterCollection commandParameters);

int ExecuteNonQuery(CommandType commandType, string commandText, QueryParameterCollection commandParameters);



#endregion ExecuteNonQuery



#region ExecuteDataSet



DataSet ExecuteDataset(CommandType commandType, string commandText);

DataSet ExecuteDataset(string commandText);

DataSet ExecuteDataset(CommandType commandType, string commandText, QueryParameterCollection commandParameters);

DataSet ExecuteDataset(string commandText, QueryParameterCollection commandParameters);



DataSet ExecuteDataset(CommandType commandType, string commandText,string tableName);

DataSet ExecuteDataset(string commandText,string tableName);

DataSet ExecuteDataset(CommandType commandType, string commandText, QueryParameterCollection commandParameters,string tableName);

DataSet ExecuteDataset(string commandText, QueryParameterCollection commandParameters,string tableName);



DataSet ExecuteDataset(CommandType commandType, string commandText,DataSet ds);

DataSet ExecuteDataset(string commandText,DataSet ds);

DataSet ExecuteDataset(CommandType commandType, string commandText, QueryParameterCollection commandParameters,DataSet ds);

DataSet ExecuteDataset(string commandText, QueryParameterCollection commandParameters,DataSet ds);



DataSet ExecuteDataset(CommandType commandType, string commandText,DataSet ds,string tableName);

DataSet ExecuteDataset(string commandText,DataSet ds,string tableName);

DataSet ExecuteDataset(CommandType commandType, string commandText, QueryParameterCollection commandParameters,DataSet ds,string tableName);

DataSet ExecuteDataset(string commandText, QueryParameterCollection commandParameters,DataSet ds,string tableName);



#endregion ExecuteDataSet



#region ExecuteReader



IDataReader ExecuteReader(CommandType commandType, string commandText);

IDataReader ExecuteReader(string commandText);

IDataReader ExecuteReader(CommandType commandType, string commandText, QueryParameterCollection commandParameters);

IDataReader ExecuteReader(string commandText, QueryParameterCollection commandParameters);



#endregion ExecuteReader



#region ExecuteScalar



object ExecuteScalar(CommandType commandType, string commandText);

object ExecuteScalar(string commandText);

object ExecuteScalar(CommandType commandType, string commandText, QueryParameterCollection commandParameters);

object ExecuteScalar(string commandText, QueryParameterCollection commandParameters);



#endregion ExecuteScalar



#region ExecuteX