addAll method
Implementation
void addAll(List<T> datas) {
data = List<T>.from(datas);
totalCount = datas.length;
pageIndex = 0;
pageSize = datas.length;
}
void addAll(List<T> datas) {
data = List<T>.from(datas);
totalCount = datas.length;
pageIndex = 0;
pageSize = datas.length;
}