NumberFormatException Error
<p>the code is : </p>

<pre><code>editText2=(EditText) findViewById(R.id.editText2);
editText3=(EditText) findViewById(R.id.editText3);
float from_value= Float.parseFloat(editText2.getText().toString());
editText3.setText(" "+(from_value * 100.0));
</code></pre>

<p>And the logcat error is : </p>

<pre><code>03-18 03:19:07.847: E/AndroidRuntime(875): Caused by: java.lang.NumberFormatException: Invalid float: ""
</code></pre>

<p>Please tell whats's wrong with this.
Thanking you in ancticipation.</p>
