如果（string.IsNullOrEmpty（MyString的））{
 // 
} 
 

Possible Duplicate:
Easier way of writing null or empty?

I am looking for the simplest way to do a check. I have a variable that can be equal to "" or null. Is there just one function that can check if it's not "" or null?

if (string.IsNullOrEmpty(myString)) {
   //
}