protected void btnDelete_Click(object sender, EventArgs e)
        {
            ArrayList ar = new ArrayList();

            foreach (DataGridItem m_Item in dgrListAppro.Items)
            {
                CheckBox chk_Select = (CheckBox)m_Item.FindControl("optSelect");
                if (chk_Select != null && chk_Select.Checked)
                {
                    ar.Add(double.Parse(dgrListAppro.DataKeys[int.Parse(m_Item.ItemIndex.ToString())].ToString()));
                }
            }
            if (ar.Count > 0)
            {
                for (int i = 0; i < ar.Count; i++)
                {
                    int _ID = int.Parse(ar[i].ToString());
                    HPCBusinessLogic.DAL.T_LogoDAL _DAL = new HPCBusinessLogic.DAL.T_LogoDAL();
                    _DAL.DeleteFromT_Logo(_ID);
                }
            }
            else
            {
                System.Web.UI.ScriptManager.RegisterStartupScript(this, typeof(string), "Message", "alert('Chưa chọn ảnh muốn xóa.!!')", true);
                return;
            }
            LoadDataApprovied();
        }
 public void dgrListAppro_EditCommand(object source, DataGridCommandEventArgs e)
 {
     if (e.CommandArgument.ToString().ToLower() == "edit")
     {
         dgrListAppro.EditItemIndex = e.Item.ItemIndex;
         LoadDataApprovied();
     }
     if (e.CommandArgument.ToString().ToLower() == "delete")
     {
         HPCBusinessLogic.DAL.T_LogoDAL _DAL = new HPCBusinessLogic.DAL.T_LogoDAL();
         int _ID = Convert.ToInt32(dgrListAppro.DataKeys[e.Item.ItemIndex].ToString());
         _DAL.DeleteFromT_Logo(_ID);
         LoadDataApprovied();
     }
 }