check if multiple variables are null csharp

Code Example - check if multiple variables are null csharp

                
                        if((string1 ?? string2 ?? string3 ?? string4 ?? string5 ?? string6) == null){ ;}
                    
                
 

csharp check multiple variables for null

                        
                                bool allNull = strings.All(s => s == null);
// if you are using a collection