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CSharp · Console

/Program.cs

using System;
using System.Collections.Generic;
using System.Linq;
using Newtonsoft.Json;
					
public class Program
{
	public static void Main()
	{
		EquipmentFilterPack pack = new EquipmentFilterPack
		{
			ColumnNames = new string[] {"C1", "C2" },
			keywords = new string[] { "kw1", "kw1" },
			FilterTypes = new string[] { "ٍIS", "ٍIS NOT" },
			Operands = new string[] { "AND", "AND" },
		};
		
		List<EquipmentListFilter> filters = new List<EquipmentListFilter>();
		
		// With loop
		/*
		for (int i = 0; i < pack.ColumnNames.Count(); i++)
		{
			filters.Add(new EquipmentListFilter
						{
							ColumnName = pack.ColumnNames[i],
							Keyword = pack.keywords[i],
							FilterType = pack.FilterTypes[i],
							Operand = pack.Operands[i],
						});
		}
		*/
		
		// With cross join
		filters = (from a in pack.ColumnNames
				   from b in pack.keywords
				   from c in pack.FilterTypes
				   from d in pack.Operands
				   select new EquipmentListFilter
						{
							ColumnName = a,
							Keyword = b,
							FilterType = c,
							Operand = d,
						}).ToList();
		
		
		
		
		Console.WriteLine(JsonConvert.SerializeObject(filters));
	}
}

public class EquipmentListFilter
{
    public string ColumnName { get; set; }
    public string Keyword { get; set; }
    public string Operand { get; set; }
    public string FilterType { get; set; }
}

public class EquipmentFilterPack
{
    public string[] ColumnNames { get; set; }
    public string[] keywords { get; set; }
    public string[] FilterTypes { get; set; }
    public string[] Operands { get; set; }
}