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AddNew Method Example (VJ++)

This example uses the AddNew method to create a new record with the specified name.

// BeginAddNewJ
import com.ms.wfc.data.*;
import java.io.*;

public class AddNewX
{
   // The main entry point for the application.

   public static void main (String[] args)
   {
      AddNewX();
      System.exit(0);
   }

   // AddNewX function

   static void AddNewX()
   {
      // Define ADO Objects.
      Connection cnConn1 = null;
      Recordset rstEmployees = null;

      //Declarations.
      String strCnn;
      String strID;
      String strFirstName;
      String strLastName;
      boolean booRecordAdded ;
      BufferedReader in = 
         new BufferedReader (new InputStreamReader (System.in));
      String line = null;

      try
      {
         // Open a connection.
         strCnn = "Provider='sqloledb';Data Source='MySqlServer';"
            + "Initial Catalog='Pubs';Integrated Security='SSPI';";
         cnConn1 = new Connection();
         cnConn1.open(strCnn);//,"","",AdoEnums.CommandType.UNSPECIFIED);

         // Open Employees table.
         rstEmployees = new Recordset ();
         rstEmployees.open("employee", cnConn1, 
            AdoEnums.CursorType.KEYSET , AdoEnums.LockType.OPTIMISTIC , 
            AdoEnums.CommandType.TABLE );

         /* Get data from the user. The employee ID must be formatted as
         first,middle, and last initial, five numbers, then M or F to
         signify the gender. For example, the employee id for Bill 
         Sornsin would be "B-S55555M". */
         System.out.println("\nEnter employee ID :");
         strID = in.readLine().trim();
         System.out.println("\nEnter first name :");
         strFirstName = in.readLine().trim();
         System.out.println("\nEnter last name :");
         strLastName = in.readLine().trim();

         // Proceed only if the user actually entered something
         // for both the first and last names.

         if ( !(strID.compareTo("") == 0) & 
            !(strFirstName.compareTo("") == 0) & 
            !(strLastName.compareTo("")== 0))
         {
            // Add new record.
            rstEmployees.addNew();
            rstEmployees.getField("emp_id").setString(strID);
            rstEmployees.getField("fname").setString(strFirstName);
            rstEmployees.getField("lname").setString(strLastName);

            // update the record with the new data.
            rstEmployees.update();
            booRecordAdded = true;

            // Show the newly added data.
            System.out.println("\nNew record : " 
               + rstEmployees.getField("emp_id").getString()+ " "
               + rstEmployees.getField("fname").getString()+ " "
               + rstEmployees.getField("lname").getString());
         }
         else
         {
            System.out.println("\nPlease enter an employee ID," +
               "first name, and last name.");
         }

         System.out.println("\n\nPress <Enter> key to continue.");
         line = in.readLine();

         // Delete the new record because this is a demonstration.
         cnConn1.execute("DELETE FROM employee WHERE " 
            + "emp_id = '" + strID + "'");
      }
      catch( AdoException ae )
      {
         // Notify user of any errors that result from ADO.

         //Check for null pointer for connection object.
         if(rstEmployees.getActiveConnection()==null)
            System.out.println("Exception: " + ae.getMessage());
         // As passing a Recordset, check for null pointer first.
         if (rstEmployees != null)
         {
            PrintProviderError(rstEmployees.getActiveConnection());
         }
         else
         {
            System.out.println("Exception: " + ae.getMessage());
         }
         System.exit(0);
      }
      // System Read requires this catch.
      catch( java.io.IOException je )
      {
         PrintIOError(je);
      }      
      finally
      {
         // Cleanup objects before exit.   
         if (rstEmployees != null)
            if (rstEmployees.getState() == 1)
               rstEmployees.close();   
         if (cnConn1 != null)
            if (cnConn1.getState() == 1)
               cnConn1.close();
         System.exit(0);
      }


   }

   // PrintProviderError Function

   static void PrintProviderError( Connection Cnn1 )
   {
      // Print Provider errors from Connection object.
      // ErrItem is an item object in the Connection's Errors collection.
      com.ms.wfc.data.Error  ErrItem = null;
      long nCount = 0;
      int  i      = 0;

      nCount = Cnn1.getErrors().getCount();

      // If there are any errors in the collection, print them.
      if( nCount > 0);
      {
         // Collection ranges from 0 to nCount - 1
         for (i = 0; i< nCount; i++)
         {
            ErrItem = Cnn1.getErrors().getItem(i);
            System.out.println("\t Error number: " + ErrItem.getNumber()
               + "\t" + ErrItem.getDescription() );
         }
      }

   }

   //.PrintIOError Function
   
   static void PrintIOError( java.io.IOException je)
   {
      System.out.println("Error \n");
      System.out.println("\tSource = " + je.getClass() + "\n");
      System.out.println("\tDescription = " + je.getMessage() + "\n");
   }
}

// EndAddNewJ
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