public IEnumerable <PropertyDescriptor> GetPrimaryKeyProperties(IBaseModel entity)
{
var propertySet = entity.GetProperties();
if (propertySet == null)
{
yield break;
}
foreach (var key in propertySet.Keys)
{
var propertyInfo = propertySet[key] as PropertyDescriptor;
if (propertyInfo == null)
{
continue;
}
var propertyValue = propertyInfo.GetValue(entity);
if (propertyValue == null)
{
continue;
}
var dataFieldAttribute = propertyInfo.Attributes[typeof(DataFieldAttribute)] as DataFieldAttribute;
if (!dataFieldAttribute.PrimaryKey)
{
continue;
}
yield return(propertyInfo);
}
}
