Visual Studio Shortcuts

Navigation

Ctrl + ]  Moves the cursor to the matching Closing or Opening brace
Ctrl + hyphen Moves cursor to its previous position
Shift + F7 Switch between the Design View and Source View
Ctrl + Tab Displays the all open files in VS
Ctrl + Shift + F Find
F3 Search Again or continue search

Editing

Ctrl + k + c Comment a selected line or all selected lines of code 

Ctrl + k + u  Uncomment a selected line or all selected lines of code

Ctrl + x, Ctrl + c, Ctrl + v  Cut, Copy, Paste

Code Related

Ctrl +SpaceBar Complete word if exist

Tab (Twice) Inserts Code snippet, eg type while and press Tab twice, or type prop and press Tab twice

Ctrl + Period (.) Shows SmartTag menu

F5 Start or run the application 

F6 or Ctrl + Shift + B Build the solution  Insert or remove breakpoint

F9 Insert or remove breakpoint

Ctrl + S Save 

Ctrl + Alt + L  Open Solution Explorer