string GetXmlByDataTable()
{
string xmlstr;
string sql = "select top 10 * from BasicInfo";
DataTable dt = idb.ReturnDataTable(sql);
dt.TableName = "tbname";
if (dt.Rows.Count>0)
{
System.IO.StringWriter writer = new System.IO.StringWriter();
dt.WriteXml(writer);
xmlstr = writer.ToString();
}
return xmlstr;
}
在XML文件中读取属性文件（.properties）中的元素值：
web.xml
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/conf/dataAccessContext.xml</param-value>
</context-param>
<listener>
<listener-class>
......
