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how to navigate from one control to another in a dotnetnuke module

I am developing a module HK in dotnetnuke.
It has controls as EditModulename.ascx,ViewModulename.ascx and New1.ascx.
This module is on home page, when i run this it shows the ViewModulename.ascx control on home page.

Now i have one link button cmdL1, I want to display a New1.ascx control after clicking on cmdL1 button. How can i do this?

I tried as follows but it didn't work. it gives error
as below

Error: New is currently unavailable.
DotNetNuke.Services.Exceptions.ModuleLoadException: Unable to cast object of type 'ASP.desktopmodules_hk_new1_ascx' to type 'DotNetNuke.Entities.Modules.PortalModuleBase'. ---> System.InvalidCastException: Unable to cast object of type 'ASP.desktopmodules_hk_new1_ascx' to type 'DotNetNuke.Entities.Modules.PortalModuleBase'. at DotNetNuke.UI.Skins.Skin.InjectModule(Control objPane, ModuleInfo objModule, PortalSettings PortalSettings) --- End of inner exception stack trace ---
Thank You.

Protected Sub cmdL1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles cmdL1.Click
            Dim objModules As ModuleController = New ModuleController
            Response.Redirect(NavigateURL(PortalSettings.ActiveTab.TabID, "New1", "mid=" & CStr(ModuleId)))
        End Sub

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techExtreme

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madhav_ghatole

ASKER

I have already given key "New1" to the control New1.ascx
and tried

Response.Redirect(Globals.NavigateURL(PortalSettings.ActiveTab.TabID, "New1", "mid=" & CStr(ModuleId)))

But it gives error as below, how can I solve this?
Screen.jpg

techExtreme

aww I was expecting an 'A' however, note that you have a error on the page, which says one or more module did not load. Get rid of that error and you should be fine.