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Asked: 2026-05-11T07:18:32+00:00

First off, my Environment: VB.NET .NET 2.0 AJAX Update Panels also used around webpart

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First off, my Environment: VB.NET .NET 2.0 AJAX Update Panels also used around webpart zones. I have a masterpage and default page. Default page has WPM and two Zones. each webpart is just a shell and a usercontrol is used for A & B

I have two webparts, A & B. (Usercontrols)- A has a number of buttons. B has a listbox & Subs which populate the listbox and refresh the UpdatePanel that also sits (inside the webpart B) wrapping the listbox. I want to click a button in webpart A and it fires a sub in webpart B called ‘Public Sub FillList()’ I cant seem to workout how to do this. I have looked up webpart connects and I understand that I can pass properties which is fine, but I want to call subs/fire events.

Thanks in advance!

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  1. I know its a bit dirty but I found a solution which kinda works:

    MyControlThatNeedsUpdated grid = (MyControlThatNeedsUpdated)FindControlRecursive(Page, 'MyControlThatNeedsUpdated'); grid.updateList();   private Control FindControlRecursive(Control root, string ControlType) {     if (root.GetType().Name == ControlType)     {         return root;     }      foreach (Control c in root.Controls)     {         Control t = FindControlRecursive(c, ControlType);         if (t != null)         {             return t;         }     }      return null; }

    The method I call is ‘updateList()’

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