Sets or retrieves the image in the bottom-left corner of the grid (bottom selector icon). The image name should be defined in the stylesheet and linked to the actual image file with the css rules.
See how to include additional images in your stylesheet.
var value = obj.getBottomImage();
obj.setBottomImage(value);
obj.onBottomImageChanging = function(value){...};
obj.onBottomImageChanged = function(value){...};
obj.onBottomImageError = function(value){...};
obj.setBottomText("bottom text");
obj.setBottomImage("favorites"); // bottom selector image
obj.setBottomTooltip("tooltip text");
Overview: using images
Grid templates: bottom selector
Bottom model: text, tooltip, link, value, data, format
Image properties: cell, selector, header, footer, top