Hello sebastiancb,

you can do two things:

1) use option

editoptions: { style: "text-transform: uppercase" }

to display the text directly in uppercase. It will display the thex in uppercase only, but not convert the data.

2) conver the data from the corresponding column in upper case. In case of usage form editing you can use beforeSubmit callback which you can set for example expanding $.jgrid.edit:$

.extend($.jgrid.edit, {