"Nathaniel Greene" <Nathaniel.Greene@community.nospam> wrote in message
news:B085FCF8-A6CF-469E-AD2D-57464ECC9D91@microsoft.com...
> Whoa, Whoa, Whoa, Whoa.
> Remember that a session should only be used to store information when this
> information is stored on a "per" user basis. What if you have 30 of these
> controls on a single web page and the user is browsing 2 different web
> pages
> at the same time ont he same site under the same session. That's 60
> controls
> overwriting each other.
>
> Class, what is happening is the fact that you are trying to serialize
> Enums.
> Your first step should be to convert your List<EnumRights> to a
> enumrights[],
> this is done through the .ToArray() method.
> Do this when you save your items in the viewstaet. When you load your
> viewstaet you can create a new List<EnumRights> by using the
> MyEnumRights = new List<EnumRights>((List<Enumrights>)
> viewstate["bleah"]);
>
> The Constructor overload for a List<> accepts Ienumerable which a type[]
> implements so this works. This should solve all of your serialization
> problems. Worst case scenario - you may have to, assuming your enums have
> values, convert it to an array of integers - but I don't think you have to
> do
> this.
>
>
>
> "Michael Tkachev" wrote:
>
>> Take the "Page" property and there you can find Session
>>
>> "Class" <NoSpam@Class> wrote in message
>> news:u0IHW7jOHHA.4100@TK2MSFTNGP04.phx.gbl...
>> > Hi Michael,
>> >
>> > Thanks for your response.
>> >
>> >> Your class must be serializible. Or use Session instead of ViewState.
>> >
>> > Which class do you mean, that needs to be serializable?
>> > The enum? or The List class?
>> > The list is a generic .NET collection class which is serializable
>> > already,
>> > right?
>> > Session?? There is no Session object in a web custom control, what do
>> > you
>> > mean??
>> >
>> > Thanks,
>> > Class
>> >
>> > "Michael Tkachev" <m_tkachev@hotmail.com> wrote in message
>> > news:uqGLwsjOHHA.140@TK2MSFTNGP04.phx.gbl...
>> >> Your class must be serializible. Or use Session instead of ViewState.
>> >>
>> >> Sincerely yours,
>> >> Michael B. Tkachev.
>> >> m_tkachev@hotmail.com
>> >>
>> >> "Class" <NoSpam@Class> wrote in message
>> >> news:eOfpVChOHHA.2140@TK2MSFTNGP03.phx.gbl...
>> >>> Hi all,
>> >>>
>> >>> I'm building a custom control. I would like that on the control you
>> >>> can
>> >>> set some 'rights'
>> >>> For that I have an enum:
>> >>> public enum GroupRights
>> >>>
>> >>> {
>> >>> Group0 = 0,
>> >>> Group1 = 1,
>> >>> Group2 = 2,
>> >>> Group3 = 3,
>> >>> Group4 = 4,
>> >>> Group5 = 5,
>> >>> }
>> >>>
>> >>> In design time I want to set these right (can be multiple rights at
>> >>> the
>> >>> same time)
>> >>> So I put them in a generic list:
>> >>>
>> >>> [Category("Rights")]
>> >>> [DefaultValue("")]
>> >>> [Localizable(true)]
>> >>> [Bindable(true)]
>> >>> public List<GroupRights> ControlRights
>> >>> {
>> >>> get
>> >>> {
>> >>> List<GroupRights> temp =
>> >>> (List<GroupRights>)ViewState["ControlRights"];
>> >>> return ((object)temp == null) ? new List<GroupRights>() : temp;
>> >>> }
>> >>>
>> >>> set
>> >>> {
>> >>> ViewState["ControlRights"] = value;
>> >>> }}
>> >>>
>> >>> In desgin time I get the controls window with the GrouRights enum to
>> >>> choose from.
>> >>> But when I add one right in the collection window I get the message:
>> >>>
>> >>> Cannot create an object of type
>> >>> 'System.Collections.Generic.List`1[[GroupRights, MaxControls,
>> >>> Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]]' from its
>> >>> string
>> >>> representation '(Collection)' for the 'ControlRights' property.
>> >>>
>> >>> Also the property can not be read out during runtime.
>> >>>
>> >>> What am I doing wrong or forgetting?
>> >>>
>> >>> tia,
>> >>>
>> >>> Class
>> >>>
>> >>>
>> >>>
>> >>
>> >>
>> >
>> >
>>
>>
>>