help in calling a function in ASP.Net Project

I have a function call declared in .aspx file that I call from the page_load event and it works fine. But when I move the function call to a Module file, it is not able to find it? The error message that I am getting is function name not declared. How do I call that function from my Page_load event. Please help.

I am new to ASP.NET so you will have to bear with me.

Is your function private or public.
I presume is is not a class module.

I have created a ASP.net web application project and added a module file in the project. The function is public.

I was thinking today and was wondering if you need an imports statement at the beginning of you aspx code.

imports modulename

This is a bit of a stab in the dark.

I understand about classes and can add them so they work, and they are meant to be more difficult than straight modules.

Ah well.

If it is a Class file (.vb) then you can just do this

VB Code:

'Functions is the name of your file (Functions.vb)
Dim f As New Functions
Dim strName As String
 
strName = f.<functionName>(strName)

Still It does not work. Here is the code I am using.

In the Page_load event of the .aspx file I am using the following code:

Private Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
'Put user code to initialize the page here



' And return the datatable wrapped in a dataview

lbExams.DataSource = DataLoad()
lbExams.DataTextField = "ExamName"
DataBind()

End Sub


DataLoad is a Public function in Exam.vb module file. Here is the code in the Exam.vb file.



Module Exam
Public Function DataLoad() As System.Collections.ICollection
Dim dt As DataTable = New DataTable
Dim dv As DataView
Dim dr As DataRow

' Add two columns to the DataTable
dt.Columns.Add(New DataColumn("ExamNumber", GetType(String)))
dt.Columns.Add(New DataColumn("ExamName", GetType(String)))

' Put some data in
dr = dt.NewRow()
dr(0) = "305"
dr(1) = "Web Applications With VB.NET"
dt.Rows.Add(dr)

dr = dt.NewRow()
dr(0) = "306"
dr(1) = "Windows Applications With VB.NET"
dt.Rows.Add(dr)

dr = dt.NewRow()
dr(0) = "310"
dr(1) = "XML With VB.NET"
dt.Rows.Add(dr)

dr = dt.NewRow()
dr(0) = "315"
dr(1) = "Web Applications With Visual C# .NET"
dt.Rows.Add(dr)

dr = dt.NewRow()
dr(0) = "316"
dr(1) = "Windows Applications With Visual C# .NET"
dt.Rows.Add(dr)

dr = dt.NewRow()
dr(0) = "320"
dr(1) = "XML With Visual C# .NET"
dt.Rows.Add(dr)

' And return the datatable wrapped in a dataview
dv = New DataView(dt)
Return dv

End Function


End Module

try something like this

VB Code:

Private Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
   Dim dl As clsDataLoad
 
   lbExams.DataSource = dl.DataLoad()
   lbExams.DataTextField = "ExamName"
   lbExams.DataBind()
 
End Sub
 
Public Class clsDataLoad
 
   'Place function code here
 
End Class

I don't understand your problem. Why not just put this at the top of your web page's .vb file..

VB Code:

Imports NameOfSomeModuleYouMade

And stick this anywhere within that .vb file you need to call it.

VB Code:

Dim myModule As NameOfSomeModuleYouMade
myModule.CallMyFunction

If you need to call it from the front side (Aspx), make a Protected function inside your web page's .vb file that instantiates the class and calls the function.

VB Code:

Protected Sub GoCallMyFunction
Dim myModule As NameOfSomeModuleYouMade
myModule.CallMyFunction
End Sub

I am lost for suggestions now.

I created a new web application.
Added a module.
In the module I added a simple function so the module looked like this.

VB Code:

Module Module1
 
    Public Function giveit() As String
        Return "something"
    End Function
 
End Module

I added a textbox to the webform and added this code in the page_load event.

VB Code:

TextBox1.Text = giveit()

When I run the application it worked fine.

Sometimes it helps to go back to basics. But I am not sure in your case.

Did you add a new module to the web application or did you add an existing module you had previously written, say in VB6?
I think as modules go they will be different. A module in a webapp has

VB Code:

Module Module1
...
...
End Module

This is really all I can think of.