help me . VB解析 XML.
<?xml version="1.0"?><school>
<grades>
<grade>
<level>K</level>
<student_count>
<boys>49</boys>
<girls>41</girls>
</student_count>
</grade>
<grade>
<level>1</level>
<student_count>
<boys>29</boys>
<girls>32</girls>
</student_count>
</grade>
<grade>
<level>2</level>
<student_count>
<boys>26</boys>
<girls>31</girls>
</student_count>
</grade>
</grades>
<principal>
<name>Dr. Hamilton</name>
<experience timein="years">
<time>14</time>
</experience>
</principal>
<classrooms />
</school>
VB xmlDOM 解析 xml. help me ~~~~
补充:.NET技术 , VB.NET