AJAX :: Can Not Update UserControl Having Updatepanel?

Mar 20, 2010

ScriptManager exist in MasterPage. I registered trigger by timer.I want to update color of rectangle in Map.aspx. but It is not update. If use Label instead of Image Control, update is done. - structureDefault.aspx have table. table have cell. cell have usercontrol. usercontrol have updatepanel.updatepanel have image control. image control have Draw.aspx in ImageUrl.- Code Sample1. MasterPage behind Code

protected void Page_Load(object sender, EventArgs e) { ToolkitScriptManager1.RegisterAsyncPostBackControl(Timer1); }
protected void Page_Load(object sender, EventArgs e)

[code]...

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