I am having some number of Dropdownlists in asp.net. All are binding with same data.
For example Consider 1,2,3,4,5 are the listitems to the dropdownlists. When user selects 3 in any dropdownlist it should not available in remaining DDls. Same functionlaity for other dropdowns so that our selection should be unique.And if deselect 3 and selected 5 then 3 should available in remaining DDls. Please help me with any apporoach.