if (Debugger.IsAttached)
    Debugger.Break();
else
    Debugger.Launch();

$(function(){
    var loc = location.pathname.toLowerCase();
    $('#headermenu a').filter(function(){
        var href = this.getAttribute('href');
        return href && href.toLowerCase() == loc;
    }).addClass('highlight');
});

$('#headermenu a[href="' + location.pathname + '"]').addClass('highlight');

(\d)\1{9}

if (Regex.IsMatch(input, @"(\d)\1{9}"))
{
    //Invalid Code...
}

var allDigitEqual = new[] { "0000000000", "1111111111", "2222222222", "3333333333", "4444444444", "5555555555", "6666666666", "7777777777", "8888888888", "9999999999" };
if (allDigitEqual.Contains(nationalCode))
    return false;

if (Regex.IsMatch(nationalCode, @"(\d)\1{9}"))
    return false;

 var chArray = nationalCode.ToCharArray();
var num0 = Convert.ToInt32(chArray[0].ToString())*10;
var num2 = Convert.ToInt32(chArray[1].ToString())*9;
var num3 = Convert.ToInt32(chArray[2].ToString())*8;
var num4 = Convert.ToInt32(chArray[3].ToString())*7;
var num5 = Convert.ToInt32(chArray[4].ToString())*6;
var num6 = Convert.ToInt32(chArray[5].ToString())*5;
var num7 = Convert.ToInt32(chArray[6].ToString())*4;
var num8 = Convert.ToInt32(chArray[7].ToString())*3;
var num9 = Convert.ToInt32(chArray[8].ToString())*2;
var a = Convert.ToInt32(chArray[9].ToString());

var b = (((((((num0 + num2) + num3) + num4) + num5) + num6) + num7) + num8) + num9;
var c = b%11;

return (((c < 2) && (a == c)) || ((c >= 2) && ((11 - c) == a)));

int result = 0, controlNr = (int)(input[9] - 48);
for (int i = 0; i < input.Length - 1; i++)
    result += (input[i] - 48) * (10 - i);

int remainder = result % 11;
bool isValid = controlNr == (remainder < 2 ? remainder : 11 - remainder);

USE [MyDB]
GO

SET ANSI_NULLS ON
GO

SET QUOTED_IDENTIFIER ON
GO

CREATE TABLE [dbo].[GO AND EAT](
[Id] [int] IDENTITY(1,1) NOT NULL,
[MyVal] [decimal](18, 0) NOT NULL,
) ON [PRIMARY]

GO

Server server = new Server(new ServerConnection() { ConnectionString = cnnStr });
server.ConnectionContext.ExecuteNonQuery(sql);