update data table

lib/pages/carton/cargo_table.dart

@@ -22,25 +22,26 @@ class _CargoTableState extends State<CargoTable> {
   Widget build(BuildContext context) {
     return SingleChildScrollView(
       scrollDirection: Axis.horizontal,
-      child: MyDataTable(
+      child: DataTable(
         headingRowHeight: 40,
         columnSpacing: 50,
+        showCheckboxColumn: false,
         columns: [
-          MyDataColumn(
+          DataColumn(
             label: LocalText(
               context,
               "cargo.type",
               color: Colors.grey,
             ),
           ),
-          MyDataColumn(
+          DataColumn(
             label: LocalText(
               context,
               "cargo.qty",
               color: Colors.grey,
             ),
           ),
-          MyDataColumn(
+          DataColumn(
             label: LocalText(
               context,
               "cargo.weight",
@@ -53,21 +54,21 @@ class _CargoTableState extends State<CargoTable> {
     );
   }
 
-  List<MyDataRow> getCargoRows(BuildContext context) {
+  List<DataRow> getCargoRows(BuildContext context) {
     if (widget.cargoTypes == null) {
       return [];
     }
     double total = 0;
     var rows = widget.cargoTypes!.map((c) {
       total += c.weight;
-      return MyDataRow(
-        onSelectChanged: (bool selected) async {},
+      return DataRow(
+        onSelectChanged: (bool? selected) async {},
         cells: [
-          MyDataCell(new Text(
+          DataCell(new Text(
             c.name ?? "",
             style: textStyle,
           )),
-          MyDataCell(c.qty == null || c.qty == 0
+          DataCell(c.qty == null || c.qty == 0
               ? Center(
                   child: Text(
                     "-",
@@ -80,7 +81,7 @@ class _CargoTableState extends State<CargoTable> {
                     style: textStyle,
                   ),
                 )),
-          MyDataCell(
+          DataCell(
             Text(c.weight == null ? "0" : c.weight.toStringAsFixed(2),
                 style: textStyle),
           ),
@@ -88,10 +89,10 @@ class _CargoTableState extends State<CargoTable> {
       );
     }).toList();
 
-    var totalRow = MyDataRow(
-      onSelectChanged: (bool selected) {},
+    var totalRow = DataRow(
+      onSelectChanged: (bool? selected) {},
       cells: [
-        MyDataCell(Align(
+        DataCell(Align(
           alignment: Alignment.centerRight,
           child: LocalText(
             context,
@@ -100,8 +101,8 @@ class _CargoTableState extends State<CargoTable> {
             fontWeight: FontWeight.bold,
           ),
         )),
-        MyDataCell(Text("")),
-        MyDataCell(
+        DataCell(Text("")),
+        DataCell(
           Padding(
             padding: const EdgeInsets.only(right: 48.0),
             child: Align(