Use the following problems encountered when a TreeView plugin:
Page uses TreeView relevant js and css;
Form appears:
< SELECT required name = "the parentNode" ID = "the parentNode" class = "form-Control" onChange = " selectParentMenu ( the this) ">
< Option value = "0"> the root root </ Option> < Option value = ". 1 "> select the directory </ the Option>
</ the sELECT>
where: name =" parentNode "cause a page stuck state;