/// <summary>
/// IAction method for handling returning an edit view
/// </summary>
/// <param name="id">Id for a concentration</param>
/// <param name="read"></param>
/// <returns>Handles read only instructions</returns>
public IActionResult Edit(int id, bool read = false)
{
var concentration = _context.ReadConcentration(id);
var vm = new EditConcentrationViewModel
{
ReadOnly = read,
Id = concentration.Id,
Title = concentration.Name
};
return(View(vm));
}