iot/projects/Infrastructure/Extensions/DataTableExtensions.cs

using System;
using System.Data;

namespace Infrastructure.Extensions
{
    public static class DataTableExtensions
    {
        public static DataTable SetHeaders(this DataTable dataTable, params string[] headers)
        {
            if (dataTable is null)
            {
                throw new ArgumentNullException(nameof(dataTable));
            }
            foreach (var item in headers)
            {
                dataTable.Columns.Add(new DataColumn(item));
            }
            return dataTable;
        }

        public static DataTable Add(this DataSet dataSet, string tableName, params string[] headers)
        {
            if (dataSet is null)
            {
                throw new ArgumentNullException(nameof(dataSet));
            }
            if (tableName is null)
            {
                throw new ArgumentNullException(nameof(tableName));
            }
            var dataTable = dataSet.Tables.Add();
            dataTable.TableName = tableName;
            return dataTable.SetHeaders(headers);
        }
    }
}