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New Message on BDOTNET
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From: Sitaraman
Message 10 in Discussion
Hi Naveen Thought i will explain the need to do all the steps i mentioned before.
Basically the points i had suggested were You need to make it as a web application :
The Reason for this is simple, As u know, every aspx is converted into a temporary vb
file, compiled and executed right( u will typically find it in
C:\WINNT\Microsoft.NET\Framework\v1.1.4322\Temporary ASP.NET
Files\gactest\...\...\(assuming default implementation). Now when a type is loaded at
runtime,
Where is it searched? It is searched in the assemblies that are
referenced .
How are the assemblies referenced? thru the machine.config and web.config.
Now If your app is a simple virual dir and not a web app, then the
web.config settings will never be picked up. So web.config is
not picked up, therefore, the assemblies are not referenced, and therefore
the type cannot be loaded...
Inherit the ASPX from the CodeBehind : To explain this, lemme take a snippet
from the Temporary VB File(compiled from the ASPX File as mentioned above )
Private Function __BuildControlbtngetname() As System.Web.UI.Control
Dim __ctrl As System.Web.UI.WebControls.Button
#ExternalSource("c:\inetpub\wwwroot\gactest\gactest.aspx",12)
__ctrl = New System.Web.UI.WebControls.Button
#End ExternalSource
Me.btngetname = __ctrl
#ExternalSource("c:\inetpub\wwwroot\gactest\gactest.aspx",12)
__ctrl.ID = "btngetname"
#End ExternalSource
#ExternalSource("c:\inetpub\wwwroot\gactest\gactest.aspx",12)
__ctrl.Text = "GETNAME"
#End ExternalSource
#ExternalSource("c:\inetpub\wwwroot\gactest\gactest.aspx",12)
AddHandler __ctrl.Click, AddressOf Me.getname
#End ExternalSource
Return __ctrl
End Function
Here notice that when you trap a event for the button(or any other item), a handler is
added(Code maeked in Red above), and also note that the function passed to the
AddHandler is Me.FnName(in our case Me.getname). Here the Term Me. is significant.
This means that the event handler function(getname) has to be
either written inside the aspx within the runat server tag or
has to be written in a codebehind, which inturn should be inherited by the
aspx page.
In senthil's case the function handler is written inside the CodeBehind, So we need
to inherit the gactest.vb class.
Create Event Handlers in the Code Behind with the Correct Signatures in the
Code behind and declare the buttons with WithEvents: The same reason as it is
mentioned in point 2. Once you have inherited from the codebehind, at run time it is
is going to delegate the call to the getname function. Now such functions have to
follow the signature "Private Sub AnyFunctionName(ByVal sender As System.Object, ByVal
e As System.EventArgs) Handles Object.Event". In my view, the best way to understand
all this is to open the C:\WINNT\Microsoft.NET\Framework\v1.1.4322\Temporary ASP.NET
Files\gactest\...\...\ and go thru the vb files(which are compiled from the aspx) and
this was something that i used to do even in <yuck>JSP</yuck> also btw Senthil- did
the soln work on ur system?
regards, sr
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