Hello Tony,

I'm surprised, but $.jgrid.checkDate used in case of usage editrules: { date: true } works correctly only in case of very strict restrictions. For example if one use formatoptions.newformat or datefmt in form of $.jgrid.formatter.date.masks (like formatoptions: {newformat: “ShortDate”}) one get error message with correct formatted dates. The formats like “n/j/Y” (standard date format from grid.locale-en.js) don't work too (just try formatoptions: {newformat: “n/j/Y“}).

If seems that $.jgrid.checkDate