anchor.diff:  			<td><%=staff.getPhoneNumber()%></td>
   			<td><%=staff.getIdentityCard()%></td>
   			<td><%=type%></td>
  +			<td>
  +				<a href="<%=request.getContextPath() + "/Admin/EditForm?id=" + staff.getId()%>">Edit</a>
  +				<a onclick="return confirm('Are you sure?')"
  +				 href="<%=request.getContextPath() + "/Admin/DeleteAction?id=" + staff.getId()%>">Delete</a>	
  +			</td>
   		</tr>
   		<%
   			}
  
positive.code: 		List<Staff> staffs = (List<Staff>) request.getAttribute("staffs");
  		if (staffs != null && staffs.size() > 0) {
  	%>
  	<table border="1">
  		<tr>
  			<td>Id</td>
  			<td>Full Name</td>
  
negative.code: 			<td>Phone Number</td>
  			<td>Identity Card</td>
  			<td>Type</td>
  			<td></td>
  		</tr>
  		<%
  			for (Staff staff : staffs) {
  