// Validation: Is town already in evidention
public bool IsTownNameValid(string townName)
{
if (townName == null)
{
TempData["message"] = String.Format("Unos naziva grada je obavezan!", townName);
return(false);
}
if (!townRepository.IsTownNameValid(townName))
{
TempData["message"] = String.Format("Grad {0} se vec nalazi u evidenciji", townName);
return(false);
}
return(true);
}