using System;

using System.Collections.Concurrent;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Linq;

namespace SoftwarePatterns.Core

{

public static class Extensions

{

public static void ForEach<T>(this IEnumerable<T> collection, Action<T> action)

{

foreach (var c in collection)

{

action(c);

}

}

public static void ForEach<T>(this IEnumerable<T> collection, Action<T, int> action)

{

var i = 0;

foreach (var c in collection)

{

action(c, i++);

}

}

public static DataTable ToDataTable<T>(this IEnumerable<T> data)

{

var properties = TypeDescriptor.GetProperties(typeof(T));

var table = new DataTable();

foreach (var prop in properties.Cast<PropertyDescriptor>())

{

table.Columns.Add(prop.Name, Nullable.GetUnderlyingType(prop.PropertyType) ?? prop.PropertyType);

}

foreach (var item in data)

{

var row = table.NewRow();

foreach (var prop in properties.Cast<PropertyDescriptor>())

{

row[prop.Name] = prop.GetValue(item) ?? DBNull.Value;

}

table.Rows.Add(row);

}

return table;

}

}

}