You can use "Y" instead of "y" to display the year as "yyyy" instead of "yy":
formatter:'date', formatoptions: {srcformat:'ISO8601Long', newformat:'m/d/Y H:i:s'}
, mounth tha da ( ), "n/j/Y" "m/d/Y". , , .
. , srcformat ISO8601Long, UniversalSortableDateTime, ShortDate .. (. ) (datatype:'json' datatype:xml). , srcformat:'ISO8601Long' srcformat:'Y-m-d H:i:s'.
, .
, srcformat jqGrid. trirand. ( jqGrid) jqGrid.