I think the editor deleted some of the code you posted? 

If you try to write a module, you should inherit the partial class from PortalModuleBase.

Happy DNNing!
Michael

Actually, I left it out. I figured that the code inside the Class tags would be of little interest. Here's the code:

Imports System
Imports System.IO
Imports System.IO.Directory
Imports System.Web
Imports System.Data

Partial Class HstoneArtGallery
    Inherits System.Web.UI.Page

    Function ImportTextFile(ByVal strTextFileName As String) As String
        Dim strTextFilePath As String = Path.GetDirectoryName(Server.MapPath(Me.ToString)) & "\notes\"
        Dim strReturnedText As String
        Using sr As New StreamReader(strTextFilePath & strTextFileName)

            strReturnedText = sr.ReadToEnd()
        End Using

        Return strReturnedText

    End Function

    Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load

        Dim strPathToImagesFolder As String = Path.GetDirectoryName(Server.MapPath(Me.ToString)) & "\images\"       'declares path to images folder
        Dim strFileSystemEntryImage As String
        Dim arrGetFiles() As String = Directory.GetFiles(strPathToImagesFolder)     'sets up array of files in image folder
        Dim arrFileNames() As String
        Dim strFileName As String
        Dim strCleanedFilename As String
        Dim arrAltTitleTag As Array
        Dim strAltTitleTag As String
        Dim intNameCounter As Integer
        Dim imgAltTag As String
        intNameCounter = 0

        Dim imgID As String

        Dim strThumbnailsMaker As New StringBuilder
        strThumbnailsMaker.Append("<ul>")
        Dim strMainImageStack As New StringBuilder
        For Each strFileSystemEntryImage In arrGetFiles

            arrFileNames = Split(strFileSystemEntryImage, "\")          'splits strFileSystemEntryImage on backslash
            strFileName = arrFileNames(arrFileNames.Length - 1)
            strCleanedFilename = WriteFileInfo(strFileName)
            imgAltTag = strCleanedFilename.Replace("<i>", "")
            imgAltTag = imgAltTag.Replace("</i>", "")
            imgAltTag = imgAltTag.Replace("""", "")

            arrAltTitleTag = Split(strFileName, "!")

            imgID = "ID_" & intNameCounter.ToString

            strAltTitleTag = arrAltTitleTag(1) & " by " & arrAltTitleTag(2)
            strAltTitleTag = strAltTitleTag.Replace("_", " ")

            strThumbnailsMaker.Append("<li class=""thumbnailHolder"">")
            strThumbnailsMaker.Append("<a href=""#"" id =""" & intNameCounter.ToString & "_link"">")

            strThumbnailsMaker.Append("<figure id=""" & intNameCounter.ToString & """  class=""mainImage"" ><img  src=""images/" & strFileName & """ alt=""" & imgAltTag & """ />")
            strThumbnailsMaker.Append("<figcaption> <p class=""imgInfo" & imgID & """>" & strCleanedFilename & "</p>")
            strThumbnailsMaker.Append("<p class=""imgStory"">" & ImportTextFile(intNameCounter & ".txt") & "</p></figcaption></figure>")
            strThumbnailsMaker.Append("</a></li>")
            intNameCounter += 1
        Next
        strThumbnailsMaker.Append("</ul>")
        thumbnailsPanel.Controls.Add(New LiteralControl(strThumbnailsMaker.ToString))

    End Sub

    Private Function WriteFileInfo(ByVal strFilenameInfo As String) As String
        Dim arrSplitOnExclamation() As String
        Dim strToReturn As New StringBuilder
        If InStr(strFilenameInfo, "!") > 0 Then
            strFilenameInfo = strFilenameInfo.Replace("_", " ")
            arrSplitOnExclamation = Split(strFilenameInfo, "!")
            Dim arrLastValue() As String
            arrLastValue = Split(arrSplitOnExclamation(5), ".")
            strToReturn.Append("<i>")
            strToReturn.Append(arrSplitOnExclamation(1))
            strToReturn.Append("</i>, ")
            strToReturn.Append(arrSplitOnExclamation(2))
            strToReturn.Append(", ")
            strToReturn.Append(arrSplitOnExclamation(3))
            strToReturn.Append(", ")
            arrSplitOnExclamation(4) = Replace(arrSplitOnExclamation(4), "in", """")
            strToReturn.Append(arrSplitOnExclamation(4))
            strToReturn.Append(", ")
            strToReturn.Append(arrLastValue(0))
        Else
            strToReturn.Append(" ")
        End If
        Return strToReturn.ToString
    End Function

End Class

-------------------------------

Here's the Control statement at the top of the ascx file:

<%@ Control Language="vb" AutoEventWireup="false" Explicit="True" CodeFile="HSA_inr_modal.ascx.vb" Inherits="HstoneArtGallery" %>

 

I changed:

Partial Class HstoneArtGallery
    Inherits System.Web.UI.Page

to

Partial Class HstoneArtGallery
    Inherits PortalModuleBase

and the error remained. I probably didn't do that exactly right.

I'm not trying to write a module, just a page template.

 

 

 

 

Posted By Britomart on 10 Aug 2022 05:37 PM

I changed:

[...]

I'm not trying to write a module, just a page template.

In that case I would recommend to have a look at one of the multi-purpose modules like OpenContent or 2sxc. It should be easy to achieve your goal with one of these if you're familiar with HTML and JavaScript.

Happy DNNing!
Michael

I couldn't get OpenContent or 2sxc to install; they both went to 95% and stalled. I contacted the host to verify that I had space and checked the web.config and DNN setting to verify that the files weren't too big, still didn't work. I've been trying to figure it out with no luck. I've tried simplified layouts and inline code instead of code-behind. Any attempt to run VB code on any of the test pages generates error "Could Not Load Theme: /Portals/_default/skins/hstoneartskin/hsa_gallerygen.ascx, Error: Unable to cast object of type 'ASP.portals__default_skins_hstoneartskin_hsa_gallerygen_ascx' to type 'DotNetNuke.UI.Skins.Skin'. I've been trying to track that one down without much luck. I have no idea what "Unable to cast object of type" means, and I could find few references on line.
I'm running DNN 9.10.02 in a clean install with a new host.
Here's the admin log entry:
AbsoluteURL:/Default.aspx

DefaultDataProvider:DotNetNuke.Data.SqlDataProvider, DotNetNuke

ExceptionGUID:0fa9c969-5832-4cd8-8b15-fb50b0397802

AssemblyVersion:

PortalId:-1

UserId:-1

TabId:-1

RawUrl:

Referrer:

UserAgent:

ExceptionHash:5ZGVzUuVvCZIzAD/onENhymz260=

Message:Unhandled error loading page.

StackTrace:

InnerMessage:Unable to cast object of type 'ASP.portals__default_skins_hstoneartskin_hsa_gallerygen_ascx' to type 'DotNetNuke.UI.Skins.Skin'.

InnerStackTrace:

at DotNetNuke.UI.ControlUtilities.LoadControl[T](TemplateControl containerControl, String ControlSrc)
at DotNetNuke.UI.Skins.Skin.LoadSkin(PageBase page, String skinPath)

Source:

FileName:

FileLineNumber:0

FileColumnNumber:0

Method:

Server Name: web809

What do I do next? Thanks.