private void ReplaceNames(DataSourceRequest request)
{
var props = typeof(T).GetProperties(System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.Public)
.Select(p => new { p.Name, DataAttribute = p.GetCustomAttribute <DataColumnAttribute>() })
.Where(p => p.DataAttribute != null && !string.IsNullOrEmpty(p.DataAttribute.MappedFromColumn))
.ToDictionary(p => p.Name, p => p.DataAttribute.MappedFromColumn);
request.ReplaceNames(props);
}