protected void Button1_Click(object sender, EventArgs e) { if (this.DropDownList1.SelectedValue == "删除用户") { Model.User user = new Model.User(); user.id = s; BLL.UserBLL userBLL = new BLL.UserBLL(); userBLL.DelUser(user); } else if (this.DropDownList1.SelectedValue == "重置密码") { Model.User user = new Model.User(); user.id = s; BLL.UserBLL userBLL = new BLL.UserBLL(); if (userBLL.UpdateUser(user)) { Response.Write("<script>alert('重置密码成功,新密码为:123456');location.href='user_management.aspx'</script>"); } } else { Response.Write("<script>alert('请选择操作!')</script>"); } }