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Thread: MS Access Error: Too Few Parameters. Expected 2?

  1. #1
    Junior Member Kimiko Sakaki's Avatar
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    Unhappy MS Access Error: Too Few Parameters. Expected 2?

    Hi all, I am trying to add a new row into my table, in which the name depends on the String variable "InstrumentName". The values are listed in order and I'm pretty sure I haven't missed a column. Though when I try to run it, it says I have "too few parameters". What's more confusing is that the lines where my errors are occuring are in blank lines.

    Here is where I think where my coding is wrong:

    //starts up the connection between Java and MSAccess
                Class.forName ("sun.jdbc.odbc.JdbcOdbcDriver");
                String database = "jdbc:odbc:Driver={Microsoft Access Driver (*.mdb)};DBQ=Instrumental.mdb;";
                Connection conn = DriverManager.getConnection(database, "", "");
                Statement s = conn.createStatement();
     
                //generates a barcode for the new instrument
                String barcode = generateBarcode(section, instrumentName, ID);
                //converting int-ID into a string-ID
                String stringID = "" + ID;
                System.out.println (barcode);
                System.out.println (stringID);
     
                //adding a new for the new instrument
                String addRow = "INSERT INTO " + instrumentName +  " VALUES (" + stringID + "," + company + "," + model + "," + serial + "," + barcode + "," + "''" + "," + "''" + ")";
                System.out.println (addRow);
                s.execute(addRow);
     
                s.close();
                conn.close();

    Here is the full error message:
    HTML Code:
    [exception]java.sql.SQLException: [Microsoft][ODBC Microsoft Access Driver] Too few parameters. Expected 2.
    	at sun.jdbc.odbc.JdbcOdbc.createSQLException(JdbcOdbc.java:6957)
    	at sun.jdbc.odbc.JdbcOdbc.standardError(JdbcOdbc.java:7114)
    	at sun.jdbc.odbc.JdbcOdbc.SQLExecDirect(JdbcOdbc.java:3110)
    	at sun.jdbc.odbc.JdbcOdbcStatement.execute(JdbcOdbcStatement.java:338)
    	at VersionTwo.AddInstrument(VersionTwo.java:70)
    	at VersionTwo.main(VersionTwo.java:45)
    	at __SHELL7.run(__SHELL7.java:6)
    	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    	at java.lang.reflect.Method.invoke(Method.java:597)
    	at bluej.runtime.ExecServer$3.run(ExecServer.java:724[/exception]
    Am I missing something in my code? If I am, I can't quite seem to catch it. Please help and I thank you in advance!


  2. #2
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    Default Re: MS Access Error: Too Few Parameters. Expected 2?

    Which line is throwing the exception? Since we don't have the full code we cannot tell which line the error message is referring to.

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    Junior Member Kimiko Sakaki's Avatar
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    Default Re: MS Access Error: Too Few Parameters. Expected 2?

    For the "at VersionTwo.AddInstrument(VersionTwo.java:70", it's referring to "System.out.println (addRow);". For the "at VersionTwo.main(VersionTwo.java:45)", it's referring to the line where I call the method AddInstrument in the main method.

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    Default Re: MS Access Error: Too Few Parameters. Expected 2?

    How many fields does your database contain?

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    Default Re: MS Access Error: Too Few Parameters. Expected 2?

    Recommend using a PreparedStatement.
    Using Prepared Statements (The Java™ Tutorials > JDBC(TM) Database Access > JDBC Basics)
    You are trying to call a SQL query by passing non-quoted Strings, which is not standard SQL syntax (presuming the equivalent values in your database are text values). A PreparedStatement gets around this as well as protects against SQL injection.

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    Junior Member Kimiko Sakaki's Avatar
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    Default Re: MS Access Error: Too Few Parameters. Expected 2?

    PreparedStatements is so much better. Thank you for your help!

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