i have two rad combo box
whenever i select item in first rad combo box , their should be check that second combobox selected index is 0 or more than 0 ,
OnClientSelectedIndexChanging of first combo box
similarly from second to first status has to check
Try the following JavaScript for checking whether the other RadComboBox selected index is greater than 0 or not. Here, I have attached same handler to the OnClientSelectedIndexChanging of both RadComboBoxes.