WebDAV日期范围查询

Question

我试图从Exchange Server 2003访问和提取消息。我需要按日期获取消息，但是我有问题。

这是代码lsQuery = "<?xml version=\\"1.0\\"?>" + "<D:searchrequest xmlns:D = \\"DAV:\\" xmlns:m=\\"urn:schemas:httpmail:\\">" + "<D:sql>SELECT \\"urn:schemas:httpmail:hasattachment\\", \\"DAV:displayname\\", " + "\\"urn:schemas:httpmail:from\\", \\"urn:schemas:httpmail:subject\\", " + "\\"urn:schemas:httpmail:htmldescription\\" FROM \\"" + lsRootUri + "\\" WHERE \\"DAV:ishidden\\" = false " + "AND \\"DAV:isfolder\\" = false " + "AND \\"urn:schemas:httpmail:hasattachment\\" = true " + "AND \\"urn:schemas:httpmail:read\\" = false " + "AND \\"urn:schemas:httpmail:date \\" \\"&gt;=\\" CAST(\\"2009/11/17\\" as 'dateTime') " + "AND \\"urn:schemas:httpmail:date \\" \\"&lt;=\\" CAST(\\"2009/11/19\\" as 'dateTime') " + "</D:sql></D:searchrequest>";

Answer 1

http://msdn.microsoft.com/zh-cn/library/aa123600%28EXCHG.65%29.aspx