condition test

CSharp · Console

/Program.cs

using System;
using System.Data;
using System.Linq;
using System.Linq.Expressions;
using System.IO;
using System.Xml;
using System.Xml.Linq;
using System.Xml.Serialization;
using System.Text;
using System.Security.Cryptography;
using System.Reflection;
using System.Collections;
using System.Collections.Generic;
using System.Globalization;
using System.Text.RegularExpressions;
using System.Runtime.Serialization;
using System.Runtime.Serialization.Formatters.Binary;
					
public class Program
{
    public static void Main(string[] args)
    {
        // modified string !
        // "!=" -> "<>"; CA -> 'CA'
        string condition = "('69'='69' OR '69'='66' OR '69'='21' OR '69'='93') AND ('CA'='FL' OR 'CA'='WA') AND ('22'<>'31' AND '22'<>'19')";           
        Console.WriteLine(TestCondition(condition));
        // print FALSE because ('CA'='FL' OR 'CA'='WA') is FALSE
    }

    public static bool TestCondition(string c)
    {
        var dt = new DataTable();
        dt.Columns.Add("col");
        dt.Rows.Add("row");
        // hack
        // c is constant and doesn't depend on dt columns
        // if there are any rows, c is TRUE
        var rows = dt.Select(c);
        return rows.Length > 0;
    }
}