SMART datagrid v.1 > Classes > MultiLineCellEditor
The maximum text length which can be edited. If specify as less than 0, you can enter without limit.
Defaults to 0.
grid.setColumns([
...
{
fieldName: "fld0",
editor: {
type: "multiline",
maxLength: 2000
},
...
},
...
];
column.setEditor({
type: "multiline",
maxLength: 2000
});