public object ExecuteScalar(IDbConnection conn, string commandText, CommandType commandType, params IDataParameter[] parameterValues)
{
object result = MySqlHelper.ExecuteScalar((MySqlConnection)conn, commandType, commandText, parameterValues);
return(result);
}
/// <summary>
/// 执行sql语句,ExecuteScalar 返回第一行第一列的值
/// </summary>
/// <param name="trans">事务param>
/// <param name="commandText">sql语句</param>
/// <param name="parameterValues">参数</param>
public object ExecuteScalar(IDbTransaction trans, string commandText, CommandType commandType, params IDataParameter[] parameterValues)
{
object result = MySqlHelper.ExecuteScalar(trans, commandType, commandText, parameterValues);
return(result);
}
public object ExecuteScalar(IDbConnection conn, string commandText, CommandType commandType)
{
object result = MySqlHelper.ExecuteScalar((MySqlConnection)conn, commandType, commandText);
return(result);
}
/// <summary>
/// 执行sql语句,ExecuteScalar 返回第一行第一列的值
/// </summary>
/// <param name="trans">事务</param>
/// <param name="commandText">sql语句</param>
public object ExecuteScalar(IDbTransaction trans, string commandText, CommandType commandType)
{
object result = MySqlHelper.ExecuteScalar(trans, commandType, commandText);
return(result);
}