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# Grails 2.x submit form with additional parameters

 I am a newbie to grails I want to make a form that submit form params plus other params in a gsp the gsp looks like this: 
 it should submit to controller named MyTermsController to the action below: def myAction(){ if(/*condition 1*/){ try{ //code if (/*condition 2*/) { //more code } }catch (AlreadyPurchasedException ape){ redirect(controller: "controllerA", action: "showXhtml", params:params) } redirect(controller: "controllerB", action: "handlePaymentXhtml", params: params) }else if(/*condition 3*/){ redirect(controller:"controllerC", action:"purchaseXhtml", params:params) } }  What I am trying to do is to submit a form with params without using javascript. now every time I press submit, the application is redirected to the error page telling me that the page is not found. can anyone tell me what am I missing/doing wrong?
 I think the issue is with your syntax in the form url attribute, you could try the following approach:   Also, you don't need to specifically submit params or myCheckbox as they'll be submitted automatically. If you wanted to submit additional values you could use the spread operator like this:   Finally I think you need to use g:submitButton rather that g:actionSubmit