c# 隐含类型var 转换为 DataTable

/// <summary>

/// 隐含类型var 转换为 DataTable

/// </summary>

/// <typeparam name="T"></typeparam>

/// <param name="array"></param>

/// <returns></returns>

public static DataTable CopyToDataTable<T>(this IEnumerable<T> array)

{

var ret = new DataTable();

foreach (PropertyDescriptor dp in TypeDescriptor.GetProperties(typeof(T)))

ret.Columns.Add(dp.Name, dp.PropertyType);

foreach (T item in array)

{

var Row = ret.NewRow();

foreach (PropertyDescriptor dp in TypeDescriptor.GetProperties(typeof(T)))

Row[dp.Name] = dp.GetValue(item);

ret.Rows.Add(Row);

}

return ret;

}

}