Hello,

On a view I am creating List Items on an Unordered list, using JQuery, which is inside a form. Each item is as follows:

The inputs are created so the values Book and Video can be created on the controller.

On the controller I am able to get the values of all form elements but when I try to get the values of Themes using:

      string[] themes = new string[] {};
      UpdateModel(themes, new[] { "Themes" });  

I get the following error, on code line 2:

  "Value cannot be null or empty."

I tried everything I could think of but no luck.

Could someone please help me out?

Thanks,

Miguel

Since arrays are of fixed size once created, the UpdateModel() method can't modify a zero-length array.  Instead, your action method should just have a parameter named themes of type string[], and it should work just fine.