我必须声明,如果我需要修改,以便它检查是否规约ID是一个数字(123654)等如何检查ID是否是数字?
如果规约ID不是数字的错误消息应该说“规约ID值不是一个数字“
vb.net代码
'Check to see if we got statuteId and make sure the Id string length is > than 0
If Not objXmlGetStatuteRequestNode.SelectSingleNode("ss:Statute/ss:StatuteId/ss:Id[string-length(.)>0]", objXMLNameSpaceManager) Is Nothing Then
示例XML文档
<?xml version="1.0" encoding="UTF-8"?>
<GetStatuteRequest>
<Statute>
<StatuteId>
<ID>15499</ID>
</StatuteId>
</Statute>
</GetStatuteRequest>
谷歌Int.TryParse – Cortright