Error 2 Cannot implicitly convert type
'ProjectCentral.Contacts.Personnel_List<ProjectCentral.Contacts.Contract_Person>\
'
to
'ProjectCentral.Contacts.Personnel_List<ProjectCentral.Contacts.iPerson>'
C:\Inetpub\wwwroot\ProjectCentral\Contracts\ContractContacts.aspx.cs 43
40 http://localhost/ProjectCentral/

UcPersonnelList1.DataSource = ((Contract)this
.ContractDetail1.DataSource).Personnel_List;


UcPersonnelList1.DataSource is defined as
public Personnel_List<iPerson> DataSource { get; set; }


and Contract.Personnel_List is:
public ProjectCentral.Contacts.Personnel_List<Contract_Person>
Personnel_List
{
get
{ if (this._Personnel_List == null)
this._Personnel_List = new Personnel_List<
Contract_Person >();

return this._Personnel_List;
}
set
{
this.Personnel_List = value;
}
}




Santiago Perez
Florida's Turnpike Enterprise
Programmer Analyst

Pompano Operations
Ph 954-975-4855 ex 1127
Cell 954-444-9429



"Ryan Olshan"
<teranetlists@ter
anetsystems.com> To
Sent by: <StrongTypes@yahoogroups.com>
StrongTypes@yahoo cc
groups.com
Subject
RE: [StrongTypes] Casting a
06/02/2006 02:59 SortedList Generic Class to a
AM generic Class of base type.


Please respond to
StrongTypes@yahoo
groups.com






What is the exception or compiler error you are getting?

Thank you,
Ryan Olshan
Website - http://www.StrongTypes.com <http://www.strongtypes.com/>
Group - http://groups.yahoo.com/group/StrongTypes
Blog - http://blogs.strongcoders.com/blogs/ryan/


_____

From: StrongTypes@yahoogroups.com [mailto:StrongTypes@yahoogroups.com] On
Behalf Of Santiago Perez
Sent: Thursday, June 01, 2006 11:10 AM
To: StrongTypes@yahoogroups.com
Subject: [StrongTypes] Casting a SortedList Generic Class to a generic
Class
of base type.


Hello everyone, this is my first post so please bare with me.

I am trying to understand why I can't cast generic class to a class
of a base type. I have the following setup:
///////////////////////////////////////////////////////////////////
public class Personnel_List<T> :
ProjectCentral.GlobalObjects.PersistentObject_List<Person_Abs> where
T : Person_Abs, iPerson
{
}


public abstract class Person_Abs :
ProjectCentral.GlobalObjects.PersistentObject, Contacts.iPerson
{
}


public class Vendor_Person : Person
{
}

public class Contract_Person : Vendor_Person
{
////////////////////////////////////////////////


Ok so now I have a contract class that has a property Personnel_List
which is

/////////////////////////////////////////////////////////////
public class Contract :
ProjectCentral.GlobalObjects.PersistentObject, iContract
{
public
ProjectCentral.Contacts.Personnel_List<Contacts.Contract_Person>
Personnel_List
{
get
{ if (this._Personnel_List == null)
this._Personnel_List = new
Personnel_List<Contract_Person>();

return this._Personnel_List;
}
set
{
this.Personnel_List = value;
}
}

}
//////////////////////////////////////////////////////////////////


THen I have a usercontrol that I want to use everywhere to list
Personnel so I set up a property as follows:


//////////////////////////////////////////////////////////
public Personnel_List<Person> DataSource
{
get { return (Personnel_List<Person>)
grdPersonnel.DataSource; }
set {grdPersonnel.DataSource = value;}
}
////////////////////////////////////////////////////////////


So when I try to do this it bombs on me:
///////////////////////////////////////////////////////////////
UcPersonnelList1.DataSource = ((Contract)
this.ContractDetail1.DataSource).Personnel_List;
////////////////////////////////////////////////////////////


Even if I try this:
///////////////////////////////////////////////////////////////
UcPersonnelList1.DataSource = (Personnel_List<Person>)((Contract)
this.ContractDetail1.DataSource).Personnel_List;
////////////////////////////////////////////////////////////



ANy help would be greatly appreciated. My boss is starting to look
at me like I don't know what I'm doing.












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