// Safe null values method
public static T GetValue <T>(this object obj, string propertyName) // where T : IConvertible
{
if (obj == null)
{
return(default(T));
}
if (obj is ExpandoObject || obj is IDictionary <string, object> )
{
var dict = obj as IDictionary <string, object>;
object value = null;
dict.TryGetValue(propertyName, out value);
return((T)value);
}
PropertyDescriptor pi = ReflectionCache.GetProperty(obj, propertyName);
if (pi == null) // || !pi.CanRead // .CanWrite
{
return(default(T));
}
object valueProp = obj.GetPropertyValue(propertyName);
if (valueProp == null)
{
return(default(T));
}
var type = typeof(T);
if (type.IsValueType)
{
var nullType = Nullable.GetUnderlyingType(type);
if (nullType != null)
{
return((T)System.Convert.ChangeType(valueProp, nullType));
}
}
else
if (valueProp.GetType().IsValueType)
{
return((T)System.Convert.ChangeType(valueProp, type));
}
else if (type.IsClass)
{
return((T)valueProp);
}
return((T)System.Convert.ChangeType(valueProp, pi.PropertyType));
}
public static IEnumerable <PropertyDescriptor> Properties(this object obj)
{
return(ReflectionCache.GetProperties(obj));
}
public static PropertyDescriptor GetPropertyDesc(object obj, string propertyName)
{
IEnumerable <PropertyDescriptor> prop = ReflectionCache.GetProperties(obj);
return(Enumerable.Where(prop, (el) => el.Name == propertyName).First());
}
