Switch-case statement

Switch statements can be rewritten with if statements, but if statements cannot be rewritten with switch statements.

Public Enum staustype {// <summary> // link // </Summary> linkinfo = 1} public static string getstaustype (staustype status) {string S = ""; Switch (Status) {Case staustype. linkinfo: S = "Link"; break; default: S = "exception"; break;} return s ;}

1. Only discrete values can be judged. In case, only constants can be written (C # treats strings as constants). Therefore, the control in switch () brackets can be string-type.

2. Break Or goto must be added to the back of case. Otherwise, the compilation will fail.

3. The case tag must be a unique expression. That is to say, the two case values cannot be the same.

4. You must use break to jump out.

5. Default is executed if there is no matching case. Default is not required.