System.NullReferenceException

Question

Hi I have an Interface. I call the interface from my form as this. IExample myExample = null; myExample.Height = 12; But I get error that myExample is null. Could I know what is the solution please? Thanks

Rajeesh Menoth · Answer

Hi Check your code properly  Sonu You can't create a object of interface.

Sunshine · Answer

I cannot initialize an interface.

theLizard · Answer

Of course you are getting an error you have set myExample = null; Then you set myExample.Height = 12; immediately after setting it to null... I don't know what IExample is but what you should be doing is something like IExample myExample = new IExample(); then you can set the height.

Sonu Chaudhary · Answer

IExample myExample = new IExample(); myExample.Height = 12; try this