Sets or retrieves the tooltip text in the bottom-left corner of the grid (bottom selector tooltip).
var value = obj.getBottomTooltip();
obj.setBottomTooltip(value);
obj.onBottomTooltipChanging = function(value){...};
obj.onBottomTooltipChanged = function(value){...};
obj.onBottomTooltipError = function(value){...};
obj.setBottomText("bottom text");
obj.setBottomImage("favorites");
obj.setBottomTooltip("tooltip text"); // bottom selector tooltip
Grid templates: bottom selector
Bottom model: text, image, link, value, data, format
Tooltip properties: cell, selector, header, footer, top