C# code to access Oracle view (select statement) RRS feed

  • Question

  • I can access the tables and stored procedures using C#, but i am getting error when trying to use select oracle VIEW.
    Below code i am using. I have access to that view also.


    Operation is not valid due to the current state of the object."

    racleConnection con = null;
    OracleCommand cmd = new OracleCommand();
    OracleDataReader dr = null;
        con = new OracleConnection("COnstring");
        string strQuery = string.Empty;
        strQuery = "select col1,col2 from VW_test_view where col1 ='" + COL1 + "'";
        cmd.CommandText = strQuery;
        cmd.CommandType = CommandType.Text;
        dr =cmd.ExecuteReader(); 
        if (dr.HasRows)
            while (dr.Read())
                statusCode = dr["col2"].ToString();

    Saturday, November 3, 2018 6:17 PM

All replies

  • Hi sandydv85,

    Since I don't have environment to reproduce the issue, so I am not sure what cause the issue, I would suggest that yo could post your issue on the following forum for suitable support.


    In addition, here is similar issue for your reference.


    Best regards,


    MSDN Community Support
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    Monday, November 5, 2018 1:49 AM
  • A little late to reply but here is an example I did against a view.

    If you have not done so yet set a breakpoint at the first line in the code and step through the code, examine objects for valid states.

    public void SelectView(string pCountryCode)
        var selectStatement = "SELECT TR_ALL_DONE  FROM icc_trans_view where tr_ip_country_code = :countryCode ";
        using (OracleConnection cn = new OracleConnection() { ConnectionString = ConnectionString })
            using (OracleCommand cmd = new OracleCommand() { Connection = cn })
                cmd.CommandText = selectStatement;
                cmd.BindByName = true;
                cmd.Parameters.Add(":countryCode", pCountryCode);
                var reader = cmd.ExecuteReader();
                if (reader.HasRows)
                    while (reader.Read())

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    Tuesday, November 6, 2018 4:03 PM