Many users may face a common issue when IntelliSense is not working in Visual Studio. Here are some solutions which can be tried to solve the problem.

Solution 1

Go to Tools->Options->Text Editor-> All Languages->General

Enable "Auto List Members" and "Parameter Information"

Solution 2

Now "Restart the Visual Studio" and Try Again (mostly works).

Solution 3

Just delete the folder "ReflectedSchemas". Here, location depends on Visual Studio Version

%AppData%\Microsoft\VisualStudio\11.0\ReflectedSchemas -For VS 13

Solution 4

Next, reset the Settings from the following location.

Tools->Import and Export settings->Reset all settings.

Next ->

reset

Solution 4

Check if CS.Proj is corrupted or not. If this is the case, then try to add back or fix it.

Solution 5

Run Visual Studio As Administrator

Solution 6

Goto Edit > IntelliSense > Refresh Local Cache

Solution 7

Delete .suo file in Your Project

Solution 8

Delete .psess File in your Project

Solution 9

Re-Install Visual Studio ( Backup everything)

Please comment below for any help or you can also give your own solutions that you encountered and solved.