Passing variable from web api controller method to filter

Question

I want to send appId variable value to filter

// GET api/filter
[CustomFilter]
public IEnumerable<string> Get()
{

   var  appId = 123;
    return new string[] { "value1", "value2" };
}

I can use either OnActionExecuting or OnActionExecuted method

public override void OnActionExecuting(HttpActionContext actionContext)
{
            base.OnActionExecuting(actionContext);

           //here i want to access appId value

}

I know how to access parameter values using querystring

ok got it,,actually issue is i have to send dynamic value of appid to filter,,how will i achieve that — user2426842
– user2426842, Commented Aug 1, 2014 at 14:11

Badrinarayanan Lakshmiraghavan · Accepted Answer · 2014-08-01 16:06:09Z

5

From the controller action method, set the value in the Properties dictionary of the request object, like this: Request.Properties["AppId"] = 123;.

In the OnActionExecuted method of the filter, retrieve it like this: actionContext.Request.Properties["AppId"].

BTW, you must use the OnActionExecuted method of the filter, if the value is set in the action method. The OnActionExecuting method runs before the action method is executed.

answered Aug 1, 2014 at 16:06

Badrinarayanan Lakshmiraghavan

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