1) View Data

ViewData is a built-in object of the "ViewDataDictionary" class.
ViewData stores the data in key-value pairs

Example
public IActionResult Index() {
    ViewData["Name"] = "MVC";
    return View();
}

Output

2) View Bag
ViewBag is also used for sending Data from the controller to View.
ViewBag is developed based on Dynamic Typing.
No need to perform Type Casting
Use key as property

Example
public IActionResult ViewBagIndex() {
    ViewBag.Name = "MVC";
    return View();
}

Output

3) Temp Data
TempData is used to transfer the aata from one Action to Another Action at the time of redirection
TempData is an object of the "TempDataDictionary" class

Example
public ActionResult TempDataIndex() {
    TempData["Name"] = "MVC";
    return View();
}

Output

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