-1
var dl=document.getElementById("rptImages");
var rowArray = dl.getElementsByTagName('tr');
if (rowArray.length <= 0)
{
alert('No data in DataList');
}
但在这个号码时在Datalist中没有数据,我收到错误消息'getElementsByTagName' is undefined or null reference.
'if(rowArray.length === 0)' – synthet1c
@ synthet1c'rowArray.length <= 0'做同样的事情 – Mahi