how to take different values in two query strings

Question

hi i am having a problem  which is like this:

i have a link which is binded with some values and then i want to take those value to the next page using request query string 

am able to get one value but for the second value it is giving an error . can you help me?

this is the come am having:

<a Href='<%#"WebFormDoAssignment.aspx?AssignmentDscription="  + Eval("AssignmentDescription") +  "+ CoursCode="  + Eval("CourseCode") %>'>LINK TEST</a>

one the second page i  usually used 

label1.test = request.querystring["AssignmentDescription"].tostring();

when it is only one value i want to take.

but now for this case i want to know how i can get both values in different labels so that i can be able to insert differently in data base.

 am trying this but it is giving me an error: object not referenced...

label1.test = request.querystring["AssignmentDescription"].tostring();

label2.test =request.querystring["CourseCode"].tostring();

thank your for your help