protected void btn_chamnhuanbut_click(object sender, EventArgs e) { foreach (DataGridItem m_Item in DataGrid_tinbai.Items) { TextBox txtsotientinbai = (TextBox)m_Item.FindControl("txtsotientinbai"); TextBox txt_ghichu = (TextBox)m_Item.FindControl("txt_ghichu"); Label lblMaTacGia = (Label)m_Item.FindControl("lblMaTacGia"); Label lblsotientinbai = (Label)m_Item.FindControl("lblsotientinbai"); Label LabelGhichu = (Label)m_Item.FindControl("LabelGhichu"); double id = double.Parse(DataGrid_tinbai.DataKeys[int.Parse(m_Item.ItemIndex.ToString())].ToString()); if (txtsotientinbai.Text.Trim() != "" && lblMaTacGia.Text.Trim() != "") { Daltinbai.Sp_UpdateT_NhuanButTinbai(id, double.Parse(lblMaTacGia.Text), double.Parse(txtsotientinbai.Text.Trim().Replace(",", "")), 0, txt_ghichu.Text.Trim(), _user.UserID); } lblsotientinbai.Text = txtsotientinbai.Text.Trim(); LabelGhichu.Text = txt_ghichu.Text.Trim(); lblsotientinbai.Visible = true; LabelGhichu.Visible = true; txtsotientinbai.Visible = false; txt_ghichu.Visible = false; } }