MVC 2 RenderAction

Question

Im having a value in ViewData, lets say htmlhelper.ViewData["myData"]="some";

And in partial page I can overwrite the myData's value.

But when I using the Html.RenderAction() and call a partial page.

In the same partial page htmlhelper.ViewData["myData"] is null.

Andrew · Accepted Answer · 2010-01-18 20:37:10Z

3

When you call RenderAction, you create an entirely new ViewData instance for your partial page. If you want ViewData["myData"] to be visible by your other action, either pass it to the subaction or put it in TempData.

answered Jan 18, 2010 at 20:37

Andrew

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2 Comments

Santhosh Over a year ago

how to pass it to the subaction ?

Andrew Over a year ago

The same as if you were calling another action from the view ... Something like: Html.RenderAction("SomeAction", new { id = 1, param2 = "something, param3 = "something else" })

Santhosh · Accepted Answer · 2010-02-17 10:22:15Z

0

I figured out from MVC source code. Cool that we have MVC as open source.

htmlHelper.ViewContext.HttpContext.Items["myData"]

this will maintain the value from Partial and RenderAction case.

answered Feb 17, 2010 at 10:22

Santhosh

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