Sets or retrieves the link URL in the grid column headers (header link). Requires link template (AW.Templates.Link).
var value = obj.getHeaderLink();
obj.setHeaderLink(value);
obj.onHeaderLinkChanging = function(value){...};
obj.onHeaderLinkChanged = function(value){...};
obj.onHeaderLinkError = function(value){...};
Single header cell
obj.setHeaderText("Search", 0);
obj.setHeaderLink("http://www.google.com", 0);
obj.setHeaderTemplate(new AW.Templates.Link, 0);
Complete header row
obj.setHeaderText(textArray);
obj.setHeaderLink(linkArray);
obj.setHeaderTemplate(new AW.Templates.Link);
Grid templates: header, link template
Header model: text, image, tooltip, value, data, format
Link properties: cell, selector, footer, top, bottom