toJson method
Allows you to serialize object.
Implementation
Map<String, dynamic> toJson() => {
"DG1": dg1,
"DG2": dg2,
"DG3": dg3,
"DG4": dg4,
"DG5": dg5,
"DG6": dg6,
"DG7": dg7,
"DG8": dg8,
"DG9": dg9,
"DG10": dg10,
"DG11": dg11,
"DG12": dg12,
"DG13": dg13,
"DG14": dg14,
"DG15": dg15,
"DG16": dg16,
"DG17": dg17,
"DG18": dg18,
"DG19": dg19,
"DG20": dg20,
"DG21": dg21,
}.clearNulls();