public object ExecuteScalar(CommandType commandType, string commandText)
{
this.idbCommand = DBManagerFactory.GetCommand(this.ProviderType);
PrepareCommand(idbCommand, this.Connection, this.Transaction, commandType, commandText, this.Parameters);
object returnValue = idbCommand.ExecuteScalar();
idbCommand.Parameters.Clear();
return(returnValue);
}
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 int ExecuteNonQuery(CommandType commandType, string commandText)
{
try
{
this.idbCommand = DBManagerFactory.GetCommand(this.ProviderType);
PrepareCommand(idbCommand, this.Connection, this.Transaction, commandType, commandText, this.Parameters);
int returnValue = idbCommand.ExecuteNonQuery();
idbCommand.Parameters.Clear();
this.Parameters = null;
return(returnValue);
}
catch (Exception ex)
{
ErrorHandler.ThrowError(ex);
return(-1);
}
}
public IDataReader ExecuteReader(string commandText, CommandType commandType)
{
try
{
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);
}
catch (Exception ex)
{
ErrorHandler.ThrowError(ex);
return(null);
}
}
public void Open()
{
try
{
idbConnection = DBManagerFactory.GetConnection(this.providerType);
idbConnection.ConnectionString = this.ConnectionString;
if (idbConnection.State != ConnectionState.Open)
{
idbConnection.Open();
}
this.idbCommand = DBManagerFactory.GetCommand(this.ProviderType);
}
catch (Exception ex)
{
throw ex;
}
}