"Quentin" <Quentin.Casasnovas@wanadoo.Fr> wrote in message
news:e3xAoI6VDHA.1204@TK2MSFTNGP12.phx.gbl...
> Hello,
>
> I got a Solution, containing two projects, a project of classes, and a web
> project. The two projects directories are not located in the same place
> (directory ?). Into my project of classes i've got a class.vb file where i
> made a very class :
>
> ------ class.vb-------
> Public Class Fenetre : inherits WebControl
>
> Private InnerPage As Control
> Private pAscxFile As String
> Private MaTable As New HtmlTable
>
> Public Sub New()
> Dim MaLigne As New HtmlTableRow
> Dim MaCellule As New HtmlTableCell
>
> MaLigne.Cells.Add(MaCellule)
> MaTable.Rows.Add(MaLigne)
> Me.Controls.Add(MaTable)
> End Sub
>
> Public Property AscxFile() As String
> Get
> AscxFile = pAscxFile
> End Get
> Set (ByVal Value As String)
> pAscxFile = Value
> Ajout_InnerPage(pAscxFile)
> End Set
> End Property
>
> Public Sub Ajout_InnerPage(ByVal AscxPath As String)
> Dim ControlAscx As Control = Me.Page.LoadControl(AscxPath)
> Me.MaTable.Rows(0).Cells(0).Controls.Add(ControlAscx)
> End Sub
>
> End Class
> ---------------------
>
> After that i'm going in an *.aspx of my web project, in the tool box i
chose
> to add elements, i choose my *.dll in the directory of my project of
> classes. Now that my Control is in the tool box, i drag and drop it into
my
> page and for now there isn't any problem... The problem shows up when i
try
> to change the AscxFile property as to add a usercontrol into my control...
i
> put in the porperty the file path of an ascx file that is in the web
project
> directory, for example "test.ascx" and after validating my property i got
> this error : "the object reference is not defined at the "instance" of an
> object" on the line ----->
> Me.maTable.Rows(0).Cells(0).Controls.Add(InnerPage)
>
> Here is the tree of my solution :
>
> Solution
> ---Web Project
> ------Index.aspx
> ------Test.ascx
> ---Project of classes
> ------class.vb
> ------bin
> ---------maclasse.dll
>
> i know it's a huge message but i've been searching the answer for 2 days
now
> and i prefer send the maximum precisions as i can...
>
> Thanks for evrybody who's red this till the end, and a huge big giant
thank
> to all people who's gonna help me :)
>
> Scuse my bad english :-S
>
>

> It looks as if InnerPage never gets initialized, maybe create a new
instance
> in the New constructor...
> Public Class SomeControl
>
> Inherits Web.UI.WebControls.WebControl
>
> Private InnerPage As Control
>
> Private pAscxFile As String
>
> Private MaTable As HtmlTable
>
> Public Sub New()
>
> InnerPage = New Control()
>
> MaTable = New HtmlTable()
>
> Dim MaLigne As New HtmlTableRow()
>
> Dim MaCellule As New HtmlTableCell()
>
> MaLigne.Cells.Add(MaCellule)
>
> MaTable.Rows.Add(MaLigne)
>
> Me.Controls.Add(MaTable)
>
> End Sub
>
> End Class
>
>
> "Quentin" <Quentin.Casasnovas@wanadoo.Fr> wrote in message
> news:e3xAoI6VDHA.1204@TK2MSFTNGP12.phx.gbl...
> > Hello,
> >
> > I got a Solution, containing two projects, a project of classes, and a
web
> > project. The two projects directories are not located in the same place
> > (directory ?). Into my project of classes i've got a class.vb file where
i
> > made a very class :
> >
> > ------ class.vb-------
> > Public Class Fenetre : inherits WebControl
> >
> > Private InnerPage As Control
> > Private pAscxFile As String
> > Private MaTable As New HtmlTable
> >
> > Public Sub New()
> > Dim MaLigne As New HtmlTableRow
> > Dim MaCellule As New HtmlTableCell
> >
> > MaLigne.Cells.Add(MaCellule)
> > MaTable.Rows.Add(MaLigne)
> > Me.Controls.Add(MaTable)
> > End Sub
> >
> > Public Property AscxFile() As String
> > Get
> > AscxFile = pAscxFile
> > End Get
> > Set (ByVal Value As String)
> > pAscxFile = Value
> > Ajout_InnerPage(pAscxFile)
> > End Set
> > End Property
> >
> > Public Sub Ajout_InnerPage(ByVal AscxPath As String)
> > Dim ControlAscx As Control = Me.Page.LoadControl(AscxPath)
> > Me.MaTable.Rows(0).Cells(0).Controls.Add(ControlAscx)
> > End Sub
> >
> > End Class
> > ---------------------
> >
> > After that i'm going in an *.aspx of my web project, in the tool box i
> chose
> > to add elements, i choose my *.dll in the directory of my project of
> > classes. Now that my Control is in the tool box, i drag and drop it into
> my
> > page and for now there isn't any problem... The problem shows up when i
> try
> > to change the AscxFile property as to add a usercontrol into my
control...
> i
> > put in the porperty the file path of an ascx file that is in the web
> project
> > directory, for example "test.ascx" and after validating my property i
got
> > this error : "the object reference is not defined at the "instance" of
an
> > object" on the line ----->
> > Me.maTable.Rows(0).Cells(0).Controls.Add(InnerPage)
> >
> > Here is the tree of my solution :
> >
> > Solution
> > ---Web Project
> > ------Index.aspx
> > ------Test.ascx
> > ---Project of classes
> > ------class.vb
> > ------bin
> > ---------maclasse.dll
> >
> > i know it's a huge message but i've been searching the answer for 2 days
> now
> > and i prefer send the maximum precisions as i can...
> >
> > Thanks for evrybody who's red this till the end, and a huge big giant
> thank
> > to all people who's gonna help me :)
> >
> > Scuse my bad english :-S
> >
> >
>
>