comparing the value with checkbox value in asp.net using vb.net

i am working on an assignment in which i have to fetch the data from ms access and fill the appropriate controls according to data.....i am facing a problem in checkbox....when i compare the single value with checkbox its working......but when i try to check multiple check boxes nothing happen...

here is the code ##(am using asp.net using vb)##

            If hobbies.Equals("cricket swimming tennis") Then
                CheckBox1.Checked = True
                CheckBox2.Checked = True
                CheckBox3.Checked = True
            ElseIf hobbies.Equals("cricket") Then
                CheckBox1.Checked = True
            ElseIf hobbies.Equals("swimming") Then
                CheckBox2.Checked = True
            ElseIf hobbies.Equals("tennis") Then
                CheckBox3.Checked = True
            End If

the first 'if' condition is not working ....'elseif' conditions are working