Recursively find control from previous page

hi

i study more time asp.net starter kit and i found best code for finding previous page server control.

But from prevoius page you must use postbackurl on button or use server.transfer(”go.aspx”);

The code is follow……..

public sealed class Util{
private Util(){}
public static Control FindControlRecursively(string controlID, ControlCollection controls){

if (controlID == null || controls == null)
return null;
foreach (Control c in controls)
{ if (c.ID == controlID)
return c;
if (c.HasControls())
{
Control inner = FindControlRecursively(controlID, c.Controls);
if (inner != null)
return inner;
}

}

return null;
}
}

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