https://supportcenter.devexpress.com/ticket/details/b97481/asp-checkbox-within-a-datacelltemplate
asp checkbox within a datacelltemplate | DevExpress Support
Oct 8, 2008 - I bind an object structure to an aspxtreelist, there is a checkbox associated (and only visible at the last level) which the user can change
aspcheckboxwithindevexpresssupport