c# - Go to certain website when item from combo box is selected -

i trying create combo box multiple items. when item selected , button clicked take website. each item in combo box leads different website. have searched no luck finding results need. appreciated. code far below.

using system; using system.collections.generic; using system.componentmodel; using system.data; using system.drawing; using system.linq; using system.text; using system.threading.tasks; using system.windows.forms;  namespace tools {     public partial class form1 : form     {         public form1()         {             initializecomponent();              tools.items.add("movies");             tools.items.add("music");             tools.items.add("documents");             tools.items.add("apps");          }          private void button1_click(object sender, eventargs e)         {          }     } } 

in button click event evaluate selected value , send desired site.

public form1()     {         initializecomponent();          tools.items.add("movies");         tools.items.add("music");         tools.items.add("documents");         tools.items.add("apps");      }      private void button1_click(object sender, eventargs e)     {         switch(tools.selectedvalue)         {             "movies":                       response.redirect("google.com");                        break;             "music":                       response.redirect("google.com");                        break;             "documents":                       response.redirect("google.com");                        break;             "apps":                       response.redirect("google.com");                        break;            }     }