android-sqlite – Android :: SQLite,没有找到这样的列？

android.database.sqlite.sqliteException：没有这样的列：asd :,编译时：deletE FROM标签WHERE name = asd

这是我面临的错误,这是代码：

这是DBHelper中的方法：

/**
 * delete a label table
 * */
public void deleteLabel(String label) {
    sqliteDatabase db = this.getWritableDatabase();

    // ContentValues values = new ContentValues();
    // values.remove(label);

    // deleting Row
    db.delete(TABLE_LABELS,KEY_NAME + "=" + label,null);
    db.close(); // Closing database connection
}

这是调用该方法的主要Activity代码：

// for spinner onItemListener
// and here is what label is

final String label = parent.getItemAtPosition(position).toString();

Button dialogdeletelButton = (Button) dialog
                .findViewById(R.id.deleteButton);
        dialogdeletelButton.setOnClickListener(new OnClickListener() {

            @Override
            public void onClick(View v) {
                // database handler
                DatabaseHandler db = new DatabaseHandler(
                        getApplicationContext());

                // inserTing new label into database
                db.deleteLabel(label);

                // Hiding the keyboard
                InputMethodManager imm = (InputMethodManager) getSystemservice(Context.INPUT_METHOD_serviCE);
                imm.hideSofTinputFromWindow(inputLabel.getWindowToken(),0);

                // loading spinner without the deleted data
                loadSpinnerData();

            }
        });