Is it possible to pass a parameter in a script when the 'OnClick' event occurs on my ASP page?

I am trying to pass a parameter in my script sub, I attempted this on an asp page :

<asp:LinkButton ID="LinSoftWares" OnClick="ProductChange(product)"  runat="server" >Softwares</asp:LinkButton>

and this for the script :

    <script runat="server">
        Sub ProductChange(ByVal StrCommand As String)
            If StrCommand = "product" Then
                If Session("BlnProductShow") = 1 Then
                    Session("BlnProductShow") = 0
                Else
                    Session("BlnProductShow") = 1
                End If
                DoRefresh()
            End If

        End Sub

        Sub DoRefresh()
            If Session("BlnProductShow") = 1 Then
                DivProduct.Style.Value = "visibility: visible"
            Else
                DivProduct.Style.Value = "visibility: hidden"
            End If

        </Sub>

    </script>

However, I encountered this error :

'product' is not declared. It may be inaccessible due to its protection level

javascriptasp.net

Answer №1

My expertise lies more in C# rather than VB.Net. In C#, I would typically add a CommandArgument property with a default value and then retrieve the value on click.

Aspx:

<asp:LinkButton ID="LinSoftWares" 
                runat="server" 
                CommandArgument="Product" 
                OnClick="LinSoftWares_Click" > 
Softwares
</asp:LinkButton>

C#

protected void LinSoftWares_Click(object sender, EventArgs e)
{
    LinkButton lnkSender= (LinkButton)(sender);
    string value = lnkSender.CommandArgument;
    // Implement desired functionality here
}

Edit:

If your argument "product" is dynamic, you can use Eval("Product") when working with data binding controls.

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