一个读取xml并绑定gridview的问题
我需要一个xml文档来保存试卷，包括试卷的题目跟答案。如下：
请问各位
1.如何将xml里问题节点的属性读取出来绑定gridview
2.如何将xml里的答案选项节点的属性及其文本信息读取出来并绑定gridview
 <?xml version="1.0" encoding="utf-8" ?> 
- <ExamPaper Name="我的第一期试卷" BeginDate="2009-3-4" EndDate="2009-12-30" Scort="150" UserTime="100" FK_UserType="1" FK_AdminUser="1">
- <Question PKID="问题编号0" Name="问题内容0" FK_QuestionType="单选题">
  <QuestionItem PKID="答案选项编号0" IsRight="0">答案选项内容0</QuestionItem> 
  <QuestionItem PKID="答案选项编号1" IsRight="0">答案选项内容1</QuestionItem> 
  <QuestionItem PKID="答案选项编号2" IsRight="0">答案选项内容2</QuestionItem> 
  <QuestionItem PKID="答案选项编号3" IsRight="0">答案选项内容3</QuestionItem> 
  <QuestionItem PKID="答案选项编号4" IsRight="0">答案选项内容4</QuestionItem> 
  </Question>
- <Question PKID="问题编号1" Name="问题内容1" FK_QuestionType="单选题">
  <QuestionItem PKID="答案选项编号0" IsRight="0">答案选项内容0</QuestionItem> 
  <QuestionItem PKID="答案选项编号1" IsRight="0">答案选项内容1</QuestionItem> 
  <QuestionItem PKID="答案选项编号2" IsRight="0">答案选项内容2</QuestionItem> 
  <QuestionItem PKID="答案选项编号3" IsRight="0">答案选项内容3</QuestionItem> 
  <QuestionItem PKID="答案选项编号4" IsRight="0">答案选项内容4</QuestionItem> 
  </Question>
- <Question PKID="问题编号2" Name="问题内容2" FK_QuestionType="单选题">
  <QuestionItem PKID="答案选项编号0" IsRight="0">答案选项内容0</QuestionItem> 
  <QuestionItem PKID="答案选项编号1" IsRight="0">答案选项内容1</QuestionItem> 
  <QuestionItem PKID="答案选项编号2" IsRight="0">答案选项内容2</QuestionItem> 
  <QuestionItem PKID="答案选项编号3" IsRight="0">答案选项内容3</QuestionItem> 
  <QuestionItem PKID="答案选项编号4" IsRight="0">答案选项内容4</QuestionItem> 
  </Question>
- <Question PKID="问题编号3" Name="问题内容3" FK_QuestionType="单选题">
  <QuestionItem PKID="答案选项编号0" IsRight="0">答案选项内容0</QuestionItem> 
  <QuestionItem PKID="答案选项编号1" IsRight="0">答案选项内容1</QuestionItem> 
  <QuestionItem PKID="答案选项编号2" IsRight="0">答案选项内容2</QuestionItem> 
  <QuestionItem PKID="答案选项编号3" IsRight="0">答案选项内容3</QuestionItem> 
  <QuestionItem PKID="答案选项编号4" IsRight="0">答案选项内容4</QuestionItem> 
  </Question>
- <Question PKID="问题编号4" Name="问题内容4" FK_QuestionType="单选题">
  <QuestionItem PKID="答案选项编号0" IsRight="0">答案选项内容0</QuestionItem> 
  <QuestionItem PKID="答案选项编号1" IsRight="0">答案选项内容1</QuestionItem> 
  <QuestionItem PKID="答案选项编号2" IsRight="0">答案选项内容2</QuestionItem> 
  <QuestionItem PKID="答案选项编号3" IsRight="0">答案选项内容3</QuestionItem> 
  <QuestionItem PKID="答案选项编号4" IsRight="0">答案选项内容4</QuestionItem> 
  </Qu