//撤销授权 protected void lbtnDelete_Click(object sender, EventArgs e) { List <Authorization> items = new List <Authorization>(); if (ViewState["SelectItems"] != null) { items = (List <Authorization>)ViewState["SelectItems"]; } foreach (var item in items) { BPMHelp.DeleteAuthorizations(item.AuthorizationID); } Response.Redirect("AuthorizationList.aspx", false); }