title: android.database.sqlite.SQLiteException: no such table :
body: <p>On running the application I am getting above error although i checked the sqlite file and it contains the watchlist table although the table has no entries .</p>
  
  <p>DBAdapter.java</p>
  
  <pre><code>package hp.vamazon;
  
  import android.content.ContentValues;   
  import android.content.Context;  
  import android.database.Cursor;  
  import android.database.sqlite.SQLiteDatabase;  
  import android.database.sqlite.SQLiteOpenHelper;  
  import android.util.Log;
  
  public class DBAdapter {
  
      private static final String TAG = "DBAdapter"; //used for logging database version changes
  
      // Field Names:
      public static final String bookID = "bookid";//==KEYROW_ID
      public static final String bookName = "bookname";//==KEY_TASK
      public static final String bookPrice = "bbp";//==KEY_DATE
      public static final String storeName = "storename";
  
      public static final String[] ALL_KEYS = new String[] {bookID,bookPrice,bookName,storeName};
  
      // Column Numbers for each Field Name:
      public static final int COL_ROWID = 0;
      public static final int COL_TASK = 1;
      public static final int COL_DATE = 2;
      public static final int COL_STORE = 3;
  
      // DataBase info:
      public static final String DATABASE_NAME = "bookstore";
      public static final String DATABASE_TABLE = "watchlist";
      public static final int DATABASE_VERSION = 2; // The version number must be incremented each time a change to DB structure occurs.
  
      //SQL statement to create database
      private static final String DATABASE_CREATE_SQL = 
              "CREATE TABLE " + DATABASE_TABLE 
              + " (" + bookID + " INTEGER PRIMARY KEY AUTOINCREMENT, "
              + bookName + " TEXT NOT NULL, "
              + bookPrice + " TEXT, "
              + bookPrice + " TEXT "
              + ");"; 
  
      private final Context context;
      private DatabaseHelper myDBHelper;
      private SQLiteDatabase db;
  
  
      public DBAdapter(Context ctx) {
          this.context = ctx;
          myDBHelper = new DatabaseHelper(context);
      }
  
      // Open the database connection.
      public DBAdapter open() {
          db = myDBHelper.getWritableDatabase();
          return this;
      }
  
      // Close the database connection.
      public void close() {
          myDBHelper.close();
      }
  
      // Add a new set of values to be inserted into the database.
      public long insertRow(String bookname, String price,String id ,String store) {
          ContentValues initialValues = new ContentValues();
          initialValues.put(bookID,id);   
          initialValues.put(bookPrice,price); 
          initialValues.put(bookName,bookname);
          initialValues.put(storeName,store);
          // Insert the data into the database.
          return db.insert(DATABASE_TABLE, null, initialValues);
      }
  
      // Delete a row from the database, by rowId (primary key)
      public boolean deleteRow(long rowId) {
          String where = bookID + "=" + rowId;
          return db.delete(DATABASE_TABLE, where, null) != 0;
      }
  
      public void deleteAll() {
          Cursor c = getAllRows();
          long rowId = c.getColumnIndexOrThrow(bookID);
          if (c.moveToFirst()) {
              do {
                  deleteRow(c.getLong((int) rowId));              
              } while (c.moveToNext());
          }
          c.close();
      }
  
      // Return all data in the database.
      public Cursor getAllRows() {
          String where = null;
          Cursor c =  db.query(true, DATABASE_TABLE, ALL_KEYS, where, null, null, null, null, null);
          if (c != null) {
              c.moveToFirst();
          }
          return c;
      }
  
      // Get a specific row (by rowId)
      public Cursor getRow(long rowId) {
          String where = bookID + "=" + rowId;
          Cursor c =  db.query(true, DATABASE_TABLE, ALL_KEYS, 
                          where, null, null, null, null, null);
          if (c != null) {
              c.moveToFirst();
          }
          return c;
      }
  
      // Change an existing row to be equal to new data.
      public boolean updateRow(long rowId, String task, String date) {
          String where = bookID + "=" + rowId;
          ContentValues newValues = new ContentValues();
          newValues.put(bookName, task);
          newValues.put(bookPrice, date);
          // Insert it into the database.
          return db.update(DATABASE_TABLE, newValues, where, null) != 0;
      }
  
  
      private static class DatabaseHelper extends SQLiteOpenHelper
      {
          DatabaseHelper(Context context) {
              super(context, DATABASE_NAME, null, DATABASE_VERSION);
          }
  
          @Override
          public void onCreate(SQLiteDatabase _db) {  
  
  
  db.execSQL(DATABASE_CREATE_SQL);
          }
  
          @Override
          public void onUpgrade(SQLiteDatabase _db, int oldVersion, int newVersion) {
                  }
      }
  
  
  }
  </code></pre>
  
  <p>Watchlist.java</p>
  
  <pre><code>package hp.vamazon;
  
  import java.sql.SQLException;  
  import java.util.ArrayList;  
  import java.util.List;  
  
  import android.app.Activity;   
  import android.database.Cursor;   
  import android.os.Bundle;   
  import android.support.v4.widget.SimpleCursorAdapter;   
  import android.view.Menu;   
  import android.view.MenuItem;   
  import android.view.View;   
  import android.widget.AdapterView;    
  import android.widget.ListView;   
  
  public class Watchlist extends Activity {
  
  
      DBAdapter myDb;
      @Override
      protected void onCreate(Bundle savedInstanceState) {
          super.onCreate(savedInstanceState);
          setContentView(R.layout.activity_watchlist);
  
          openDb();
          populatListViewFromDB();
      }
      private void openDb() {
          myDb=new DBAdapter(this);
          myDb.open();        
      }
  
      private void populatListViewFromDB() {
  
  
          Cursor cursor=myDb.getAllRows();
  
          startManagingCursor(cursor);
  
          String []fromFieldNames=new String[]{DBAdapter.bookName,DBAdapter.bookPrice,DBAdapter.storeName};
          int []toViewIDs=new int[]{R.id.item_name,R.id.item_price,R.id.item_store};
  
          SimpleCursorAdapter myCursorAdapter=new SimpleCursorAdapter(this,R.layout.cartitem_view
                  ,cursor,fromFieldNames,toViewIDs);
  
  
          ListView myList=(ListView)findViewById(R.id.listView1);
          myList.setAdapter(myCursorAdapter);
  
      }
      private void registerClickCallback()
      {
          ListView myList=(ListView)findViewById(R.id.listView1);
          myList.setOnItemClickListener(new AdapterView.OnItemClickListener() {
  
              @Override
              public void onItemClick(AdapterView&lt;?&gt; parent, View view, int position, long id) {
              Cursor cursor=myDb.getRow(id);
              if(cursor.moveToFirst())
              {
                  myDb.deleteRow(id);
                  populatListViewFromDB();
              }
              cursor.close(); 
              }
          });
      }
  
  }
  </code></pre>
  
  <p>at hp.vamazon.DBAdapter.getAllRows(DBAdapter.java:93)<br>
  at hp.vamazon.Watchlist.populatListViewFromDB(Watchlist.java:37)</p>