When DropDownTree sits near other expanding controls (e.g. standard date pickers), causes these controls to sit behind DropDownTree. I tried every solution like sitting inline style, enforcing z-index to .RadDropDownTree_Default, making other controls' z-index attribute too much bigger than 100000 and enforcing style via jquery, but in any case, expanded controls fall behind the input (textbox) area of RadDropDownTree.

How can I enforce low z-index values on RadDropDownTree so that it does not sit above other expanding controls?

Hi Farshid,

Unfortunately I couldn't replicate the issue. Please have a look into the sample code snippet which works fine at my end. Please try to replicate the issue in this sample project or provide your full code for further help.

ASPX:

Thanks,
Shinu.