SMART datagrid v.1 > Classes > CellEditor
The type of input/out value in editor when the editing cell is BOOLEAN field. 
The default type is "false,f,0:true,t,1:0".
Defaults to null.
    var columns = [{
        name: "col1",
        fieldName: "Boolean1",
        editor: {
            booleanFormat: "No,f,false:Yes,t,true:0"
        },
        ....
    }];
    grid.setColumns(columns);