I want to declare my DTD to force the XML node should have a value. For example I have the following XML structure.
<Employees>
<EmployeeID></EmployeeID>
<EmployeeName></EmployeeName>
<EmployeeAddress></EmployeeAddress>
</Employees>
我想EmployeeID的所有XML都必须有价值。 因此,我想创立一个DTD,对XML的代号具有价值。