Question

可以帮助我。我的代码中没有结果？如果我正在使用Dapper。

using(var connection = new OracleConnection("User ID=TEST;Password=TEST;data source=R_TEST"))
        {
                connection.Open();

                var p = new OracleDynamicParameters();
                p.Add("V_IN", "123456789874");
                p.Add("VO_T1", dbType: DbType.Int32, direction: ParameterDirection.Output);
                p.Add("VO_T2", dbType: DbType.Varchar2, direction: ParameterDirection.Output);
                p.Add("VO_T3", dbType: DbType.Int32, direction: ParameterDirection.Output);
                p.Add("VO_T4", dbType: DbType.Varchar2, direction: ParameterDirection.Output);
                p.Add("VO_T5", dbType: DbType.Varchar2, direction: ParameterDirection.Output);

                var result = connection.Query("WS_PKG.MY_PROCEDURE", p, commandType:  CommandType.StoredProcedure);
       }

如果我尝试使用手动代码获取结果，请按下。使用SqlDataReader。我的结果很成功。

看看这段代码。我正在使用SqlDataReader：

connection.Open();


                    OracleCommand command = new OracleCommand("WS_PKG.GETINFOFROMNBBYIIN", connection);
                    command.CommandType = CommandType.StoredProcedure;
                    command.BindByName = true;

                    command.Parameters.Add("V_IN", OracleDbType.Varchar2, 25, iin, ParameterDirection.Input);
                    var VO_T1 = command.Parameters.Add("VO_T1", OracleDbType.Int32, 10, default(int), ParameterDirection.Output);
                    var VO_T2 = command.Parameters.Add("VO_T2", OracleDbType.Varchar2, 1024, default(string), ParameterDirection.Output);
                    var VO_T3 = command.Parameters.Add("VO_T3", OracleDbType.Int32, 10, default(int), ParameterDirection.Output);
                    var VO_T4 = command.Parameters.Add("VO_T4", OracleDbType.Varchar2, 1024, default(string), ParameterDirection.Output);
                    var VO_T5 = command.Parameters.Add("VO_T5", OracleDbType.Varchar2, 1024, default(string), ParameterDirection.Output);


                    command.ExecuteNonQuery();

感谢您的帮助。

Answer 1

美好的一天。我忘了添加大小变量。查看示例代码：

enter code hereusing(var connection = new OracleConnection("User ID=TEST;Password=TEST;data source=R_TEST"))
    {
            connection.Open();

            var p = new OracleDynamicParameters();
            p.Add("V_IN", "123456789874");
            p.Add("VO_T1", dbType: DbType.Int32, direction: ParameterDirection.Output, size: 1);
            p.Add("VO_T2", dbType: DbType.Varchar2, direction: ParameterDirection.Output, size: 4000);
            p.Add("VO_T3", dbType: DbType.Int32, direction: ParameterDirection.Output,size: 1);
            p.Add("VO_T4", dbType: DbType.Varchar2, direction: ParameterDirection.Output,size: 50);
            p.Add("VO_T5", dbType: DbType.Varchar2, direction: ParameterDirection.Output, size: 50);

            var result = connection.Query("WS_PKG.MY_PROCEDURE", p, commandType:  CommandType.StoredProcedure);
   }

我们必须添加大小变量。谢谢大家。我决定了这个问题。

Dapper - 存储过程oracle不返回结果，如果有两个OUT参数

1 个答案: