public async Task<ActionResult> Index(int? pageIndex, int? pageSize, string taskId) {
SpTaskRepository repository = new SpTaskRepository();
if (Request.HttpMethod == "POST" && taskId != null)
{
await repository.Delete(taskId);
return Redirect("/");
}
SpTaskViewModel model = new SpTaskViewModel();
if (pageIndex == null) {
model.PageIndex = 0;
} else {
model.PageIndex = (int)pageIndex;
}
if (pageSize == null) {
model.PageSize = 10;
} else {
model.PageSize = (int)pageSize;
}
model.SpTasks = await repository.GetTasks(model.PageIndex, model.PageSize);
return View(model);
}