ASP.NET MVC Partial View with Form

Question

I have a scenario I want to use a partial view but I'm having issues with it passing data to the controller. Here is a basic example of what I'm trying to do.

Objects:

Customer
Order

A Customer has an IList<Order> on it. I want the partial view to allow the user to edit the information. I can get the data to display but when the form posts the list under the Customer object is null.

I have also attempted to use a seperate form in my partial view. When I do this if I create paramenters on the controller like so I get the data:

public ActionResult UpdateOrders(IList<Guid> id, IList<int> quantity, IList<Guid> productId)

But when I do this

public ActionResult UpdateOrders(IList<Order> orders)

The list is null.

If anyone has a better suggestion of how to achieve this let me know.

Can you post the HTML, I think it would help in this question — hugoware
– hugoware, Commented Jun 23, 2009 at 16:45

tvanfosson · Accepted Answer · 2009-06-23 16:51:09Z

2

How are you referencing the fields in your view? I'm thinking that it should be something like:

<input type="hidden" name="orders.Index" value="0" />
<input type="hidden" name="oders[0].ID" value="1" />
<input type="hidden" name="orders[0].productId" value="4" />
<input type="text" name="orders[0].quantity" value="6" />

<input type="hidden" name="orders.Index" value="1" />
<input type="hidden" name="orders[1].ID" value="2" />
<input type="hidden" name="orders[1].productId" value="2" />
<input type="text" name="orders[1].quantity" value="15" />

See Phil Haack's blog entry on binding to a list for more info.

answered Jun 23, 2009 at 16:51

tvanfosson

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3 Comments

cjibo Over a year ago

The fields are generated by a foreach so they end up with the same id and name currently.

cjibo Over a year ago

Your suggestion lead me to finding a solution. I had to add the .index line I forgot it. Not sure whey we don't have a helper for that yet.

Richard B Over a year ago

@cjibo: you may want to consider this post for your creation of the index... stackoverflow.com/questions/5013578/… Namely, look at the link from Steve Sanderson's Blog that gives you a codebase to generate the names with Guids, which works quite well.

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