title: ZK How to sort a listbox with multiple components in a listcell
body: <p>In below listbox, i have listcell that contains both "Select" and "Label" component. Hence even the listheader applied sort="auto", it not actually worked. Any way </p>
  
  <pre><code>&lt;listbox id="idResultListBox" checkmark="true" vflex="1"  &gt;
                      &lt;listhead&gt;
                          &lt;listheader
                              label="${ labels.result.result }" sort="auto"/&gt;
                          &lt;listheader
                              label="${ labels.result.resultEnteredBy }" sort="auto"/&gt;
                          &lt;listheader
                              label="${ labels.result.resultEnteredOn }" sort="auto"/&gt;
                          &lt;listheader
                              label="${ labels.result.resultAuditedBy }" sort="auto"/&gt;
                      &lt;/listhead&gt;
                      &lt;listitem 
                          forEach="${attAuditResultList }"
                          value="${each }"
                          disabled="${ displayMode!='view' and each.auditedDate!=null }"
                          checkable="${ each.auditedDate==null }"&gt;
                          &lt;listcell&gt;
                              &lt;select value="${ each.result }" options="${ resultTypeList }"
                                  if="${ each.auditedDate==null }" visible="${ each.auditedDate==null and displayMode!='view' }"
                                   /&gt;
                              &lt;label value="${ each.result.name }"
                                  visible="${ each.auditedDate!=null or displayMode=='view' }" forward="onCreate=onCreateResultLabel()"/&gt;
                          &lt;/listcell&gt;
                          &lt;listcell&gt;
                              &lt;activeassessor if="${ each.auditedDate==null }" value="${ each.enteredBy }"
                                   /&gt;
                              &lt;label value="${ each.enteredBy.name }"
                                  visible="${ each.auditedDate!=null }" /&gt;
                          &lt;/listcell&gt;
                          &lt;listcell
                              label="${ each.enteredDateAsString }" /&gt;
                          &lt;listcell label="${ each.auditedBy.name }" /&gt;&gt;
                      &lt;/listitem&gt;
                  &lt;/listbox&gt;
  </code></pre>