身份证号码验证及其相关！

 1        /// <summary>  
 2         /// 18位身份证号码验证  
 3         /// </summary>  
 4         private bool CheckIDCard18(string idNumber)  
 5         {  
 6             long n = 0;  
 7             if (long.TryParse(idNumber.Remove(17), out n) == false   
 8                 || n < Math.Pow(10, 16) || long.TryParse(idNumber.Replace(‘x‘, ‘0‘).Replace(‘X‘, ‘0‘), out n) == false)  
 9             {  
10                 return false;//数字验证  
11             }  
12             string address = "11x22x35x44x53x12x23x36x45x54x13x31x37x46x61x14x32x41x50x62x15x33x42x51x63x21x34x43x52x64x65x71x81x82x91";  
13             if (address.IndexOf(idNumber.Remove(2)) == -1)  
14             {  
15                 return false;//省份验证  
16             }  
17             string birth = idNumber.Substring(6, 8).Insert(6, "-").Insert(4, "-");  
18             DateTime time = new DateTime();  
19             if (DateTime.TryParse(birth, out time) == false)  
20             {  
21                 return false;//生日验证  
22             }  
23             string[] arrVarifyCode = ("1,0,x,9,8,7,6,5,4,3,2").Split(‘,‘);  
24             string[] Wi = ("7,9,10,5,8,4,2,1,6,3,7,9,10,5,8,4,2").Split(‘,‘);  
25             char[] Ai = idNumber.Remove(17).ToCharArray();  
26             int sum = 0;  
27             for (int i = 0; i < 17; i++)  
28             {  
29                 sum += int.Parse(Wi[i]) * int.Parse(Ai[i].ToString());  
30             }  
31             int y = -1;  
32             Math.DivRem(sum, 11, out y);  
33             if (arrVarifyCode[y] != idNumber.Substring(17, 1).ToLower())  
34             {  
35                 return false;//校验码验证  
36             }  
37             return true;//符合GB11643-1999标准  
38         }  

 1         /// <summary>  
 2         /// 15位身份证号码验证  
 3         /// </summary>  
 4         private bool CheckIDCard15(string idNumber)  
 5         {  
 6             long n = 0;  
 7             if (long.TryParse(idNumber, out n) == false || n < Math.Pow(10, 14))  
 8             {  
 9                 return false;//数字验证  
10             }  
11             string address = "11x22x35x44x53x12x23x36x45x54x13x31x37x46x61x14x32x41x50x62x15x33x42x51x63x21x34x43x52x64x65x71x81x82x91";  
12             if (address.IndexOf(idNumber.Remove(2)) == -1)  
13             {  
14                 return false;//省份验证  
15             }  
16             string birth = idNumber.Substring(6, 6).Insert(4, "-").Insert(2, "-");  
17             DateTime time = new DateTime();  
18             if (DateTime.TryParse(birth, out time) == false)  
19             {  
20                 return false;//生日验证  
21             }  
22             return true;  
23         }