Switch the view in Infopath form using Query string: it raise 5337 Error

Hi guys,

can you any one help me how to switch the view based upon the query string.

i m creating a one infopath form and k2 process. the infopath form will swich the view based upon the querystring like

i will pass the value in the querystring and get the value in infopath form load function

public

void FormEvents_Loading(object sender, LoadingEventArgs e)

{

// Write your code here.

if(e.InputParameters["type"].ToString() == "view2")

{MainDataSource.CreateNavigator().SelectSingleNode("/my:myFields/my:Name", NamespaceManager).SetValue("View2");}

}

it thru error as 5337 error.above coding is working with k2 process.if i m using k2 process it thro error. please help on this.