asp.net mvc - MVC 5 RouteConfig trouble -

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i have such action:

[objectrequired] public actionresult campaign(int? id, someclass object = null) {     ... }

what need route action:

a) int parameter (.../campaign/12345)

b) no parametes (optionally) (.../campaign)

mvc error says, there no nonparametric constructor (if delete "object" parameter - it's ok). cant delete "object" parameter, because need check values , pass value [objectrequired] attribute this:

filtercontext.actionparameters["object"] = _someobject;

i don't want use constructions viewdata. where's right way?

i'm not 100% on i'm i'll if am...

you can't pass object through get. pass parameters , use custom route handler build object you.

you hold object in data , use entity framework model.

you use tempdata, that's similar viewdata.

you hold in session.


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