protected void lbDelete_Click(object sender, EventArgs e) { ImageButton linkButton = new ImageButton(); linkButton = (ImageButton)sender; bool result = MarketingAgentManager.DeleteMarketingAgent(Convert.ToInt32(linkButton.CommandArgument)); MarketingAgentManager.LoadMarketingAgentPage(gvMarketingAgent, rptPager, 1, ddlPageSize); }