Hope the parent attribute of root in treegrid supports null/0 value


I tried to load treegrid data, in which the parent attribute of the root is null or 0, but neither could make the treegrid shown. Only when the parent attribute of the root node deleted can the data be shown. It’s not so convienent for the data from database. Hope the null or 0 value could be supported.


In case of using the parent:0, please, try to define that in the rootParent attribute: