Why compile error “Use of unassigned local variable”?

Question

My code is the following

int tmpCnt;  
if (name == \"Dude\")  
   tmpCnt++;  

Why is there an error Use of unassigned local variabl

Answer 1

The following categories of variables are classified as initially unassigned:

• Instance variables of initially unassigned struct variables.
• Output parameters, including the this variable of struct instance constructors.
• Local variables , except those declared in a catch clause or a foreach statement.

The following categories of variables are classified as initially assigned:

• Static variables.
• Instance variables of class instances.
• Instance variables of initially assigned struct variables.
• Array elements.
• Value parameters.
• Reference parameters.
• Variables declared in a catch clause or a foreach statement.