Pass Additional ViewData to a Strongly-Typed Partial View

Question

I have a strongly-typed Partial View that takes a ProductImage and when it is rendered I would also like to provide it with some additional ViewData which I create dynamically in the containing page  How can I pass both my strongly typed object and my custom ViewData to the partial view with the RenderPartial call   var index   0  foreach  var image in Model Images OrderBy p   gt  p Order       Html RenderPartial  ProductImageForm   image       lt  Pass  index  to partial   index

User · Accepted Answer

RenderPartial takes another parameter that is simply a ViewDataDictionary. You're almost there, just call it like this:

Html.RenderPartial(
      "ProductImageForm", 
       image, 
       new ViewDataDictionary { { "index", index } }
);

Note that this will override the default ViewData that all your other Views have by default. If you are adding anything to ViewData, it will not be in this new dictionary that you're passing to your partial view.

User · Answer

To extend on what womp posted  you can pass new View Data while retaining the existing View Data if you use the constructor overload of the ViewDataDictionary like so   Html RenderPartial         ProductImageForm           image          new ViewDataDictionary this ViewData       index   index

User · Answer

You can use the dynamic variable ViewBag  ViewBag AnotherValue   valueToView

User · Answer

The easiest way to pass additional data is to add the data to the existing ViewData for the view as  Joel Martinez notes   However  if you don t want to pollute your ViewData  RenderPartial has a method that takes three arguments as well as the two-argument version you show   The third argument is a ViewDataDictionary   You can construct a separate ViewDataDictionary just for your partial containing just the extra data that you want to pass in

User · Answer

Create another class which contains your strongly typed class   Add your new stuff to the class and return it in the view   Then in the view  ensure you inherit your new class and change the bits of code that will now be in error   namely the references to your fields   Hope this helps   If not then let me know and I ll post specific code

User · Answer

I know this is an old post but I came across it when faced with a similar issue using core 3 0  hope it helps someone      Layout   null  ViewData  SampleString      some string need in the partial       lt partial name   Partial  for  PartialViewModel  view-data  ViewData    gt

User · Answer

Html Partial   Header   new ViewDataDictionary      HeaderName    User Management        TitleName    List Of Users       or   Html RenderPartial   Header   new ViewDataDictionary      HeaderName    User Management        TitleName    List Of Users           Partial Page  Header     lt div class  row titleBlock  gt       lt h1 gt  ViewData  HeaderName   ToString   lt  h1 gt       lt h5 gt  ViewData  TitleName   ToString   lt  h5 gt   lt  div gt

User · Answer

I think this should work no   ViewData  currentIndex     index

User · Answer

This should also work   this ViewData Add  index   index    Html RenderPartial         ProductImageForm           image          this ViewData

[c#] Pass Additional ViewData to a Strongly-Typed Partial View

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