How to use dynamic menus from database in ASP.NET

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i am creating a website dynamically which is retrieve data from database i tried it still but i am getting in problem a tool i use here

Literal1

in this i tried to data take from button event till now

Public Function getmenu() As String

       str += str & "<ul>"
       str = str & "<li> <a href=""> <span>"></span><span>Contact Us2</span></a></li>"
       str = str & "<ul>"


       Return str
   End Function

this is not shows till i use another tool of label with same as

Literal1.Text = getmenu()
        Label1.Text = getmenu()

now its works but bellow shows on blank Menus and a bullet point in starting
if i use image code same in this its works

'Dim src As String = Page.ResolveUrl("~/download.png")
        'Literal1.Text = String.Format("<img id='Image3' src='{0}' alt=' ' height='100' width='80' />", src)

What I have tried:

Public Function getmenu() As String

       str += str & "<ul>"
       str = str & "<li> <a href=""> <span>"></span><span>Contact Us2</span></a></li>"
       str = str & "<ul>"


       Return str
   End Function

Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
        
        Literal1.Text = getmenu()
        Label1.Text = getmenu()

    End Sub

in web page

<asp:Literal ID="Literal1" runat="server"></asp:Literal>

'Dim src As String = Page.ResolveUrl("~/download.png")
        'Literal1.Text = String.Format("<img id='Image3' src='{0}' alt=' ' height='100' width='80' />", src)

Posted 5-Aug-19 22:16pm

irfanansari

Updated 28-Aug-19 1:57am

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Comments

Richard Deeming 8-Aug-19 10:24am

str += str & "<ul>"

You haven't declared the variable str.

You've also added two copies of the current value (if any) at the start. Either use str += "..." or str = str & "...".

irfanansari 9-Aug-19 16:52pm

sir i have no issue in str or str + i have just issue in
<asp:literal id="Literal1" runat="server"> when i try to take out put of this css code function in Literal1 then it is not shows out put just shows blank and as i incluse a label with same function called then its works

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dnxit · Answer 1 · 2019-08-28T01:57:00

Solution 1

html encodes strings

HTML

<ul>, <li> and <a>

while displaying this on web page

so decode the string first

try like this

C#

Literal1.Text  = HttpContext.Current.Server.HtmlDecode(stringContents);

Posted 28-Aug-19 1:57am

dnxit