How does MVC pass parameters to another view in the current view?

In the transdata.cshtml view:

<div>
<!--in one view, request another view, and upload the data to another view --
< call a method with no return value in!--view, you need braces--
@{viewbag.viewtransdata= "I am the data defined in view Transdata and will be passed to the Loadviewbyself view";
@{html.renderpartial ("Loadviewbyself");}
</div>

Request the Loadviewbyself view and pass the data to it:

@{
Viewbag.title = "Loadviewbyself";
}

@ViewBag. viewtransdatattt
@ViewData ["VIEWTRANSDATATTT"]

Then run the Transdata view to get:

：

View the source file to see:

A method that has a return value is called in the view, and no braces are added;

  @{html.renderpartial ("loadviewbyself");}                <!--call a method with a return value in the view without increasing the parentheses-to-         @Html. TextBox ("testname");

How does MVC pass parameters to another view in the current view?