9/22/2026 12:50:50 PM : Object reference not set to an instance of an object.
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9/22/2026 1:18:19 PM : submitbtn_Click EXCEPTION | AdvId= | Msg: Thread was being aborted. | StackTrace:    at System.Threading.Thread.AbortInternal()
   at System.Threading.Thread.Abort(Object stateInfo)
   at System.Web.HttpResponse.AbortCurrentThread()
   at System.Web.HttpResponse.Redirect(String url, Boolean endResponse, Boolean permanent)
   at Admin_AddAdvertisement.ClearControl()
   at Admin_AddAdvertisement.submitbtn_Click(Object sender, EventArgs e)
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9/22/2026 1:20:25 PM : submitbtn_Click EXCEPTION | AdvId= | Msg: Thread was being aborted. | StackTrace:    at System.Threading.Thread.AbortInternal()
   at System.Threading.Thread.Abort(Object stateInfo)
   at System.Web.HttpResponse.AbortCurrentThread()
   at System.Web.HttpResponse.Redirect(String url, Boolean endResponse, Boolean permanent)
   at Admin_AddAdvertisement.ClearControl()
   at Admin_AddAdvertisement.submitbtn_Click(Object sender, EventArgs e)
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