Multi select control isn't working on a Model dialog window, where as same configuration is working fine in normal section.
Steps to Reproduce
1) Drag & Drop a table in section
2) Configure a page list property in general tab.
3) Add a Multi select list control in one of the column
4) Create page list property
5) Drag & Drop in that section
6) Select control as "MultiSelectList"
7) Give the source as a Data Page for smart prompt.