protected void LinkButton_updateTT_Click(object sender, EventArgs e) { foreach (DataGridItem m_Item in dgr_tintuc1.Items) { TextBox txt_thutu = (TextBox)m_Item.FindControl("txt_thutu"); Label lbl_thutu = (Label)m_Item.FindControl("lbl_thutu"); double _ID = Convert.ToInt32(dgr_tintuc1.DataKeys[m_Item.ItemIndex].ToString()); if (txt_thutu.Text != lbl_thutu.Text) { int vitri = 0; try { vitri = int.Parse(txt_thutu.Text); } catch { vitri = 0; } Label lbl_News_ID = (Label)m_Item.FindControl("lbl_News_ID"); HPCBusinessLogic.DAL.T_NewsDAL tt = new HPCBusinessLogic.DAL.T_NewsDAL(); tt.Update_Thutu_Noibat(double.Parse(lbl_News_ID.Text), vitri); } } System.Web.UI.ScriptManager.RegisterStartupScript(this, typeof(string), "Message", "alert('Cập nhật thành công !');", true); LoadData_DangXuly(); }