hello, can you  help me

i want to export from grid to excel. i copy code sample in you suport page to an html page then i rut it. i see and error "Error exporting: $self is not defined"

an other one,

i doing a project in mvc5, i want to export to excell that what file must i load for export(ex: js,css.....), if i not have this file, where i can find it and download

thanks for help