protected void grdCountry_ItemCommand(object source, DataGridCommandEventArgs e)
 {
     try
     {
         string       strCa    = e.CommandArgument.ToString();
         string       strWhere = " 1=1 ";
         DataGridItem item     = default(DataGridItem);
         if (e.CommandName == "Edit")
         {
             _insert = false;
             DataTable dt = CountryService.Country_GetById(strCa);
             txtId.Value       = dt.Rows[0]["CouId"].ToString();
             txtName.Text      = dt.Rows[0]["NameCo"].ToString();
             chkActive.Checked = dt.Rows[0]["Status"].ToString() == "1" || dt.Rows[0]["Status"].ToString() == "True";
             pnUpdate.Visible  = true;
             pnView.Visible    = false;
         }
         if (e.CommandName == "Delete")
         {
             CountryService.Country_Delete(strCa);
             BindGrid();
         }
         if (e.CommandName == "Status")
         {
             string strA = "";
             string str  = e.Item.Cells[2].Text;
             strA = str == "1" ? "0" : "1";
             CountryService.Country_Update_Status(strCa, strA);
             BindGrid();
         }
         if (e.CommandName == "ascCountry")
         {
             if (Common.StringClass.Check(txtFilterName.Text))
             {
                 strWhere += " and NameCo like N'%" + txtFilterName.Text + "%' ";
             }
             if (Common.StringClass.Check(ddlFilterActive.SelectedValue))
             {
                 strWhere += " and Status = '" + ddlFilterActive.SelectedValue + "' ";
             }
             grdCountry.DataSource = CountryService.Country_GetByTop("", strWhere, "NameCo");
             grdCountry.DataBind();
             if (grdCountry.PageCount <= 1)
             {
                 grdCountry.PagerStyle.Visible = false;
             }
         }
         if (e.CommandName == "descCountry")
         {
             if (Common.StringClass.Check(txtFilterName.Text))
             {
                 strWhere += " and NameCo like N'%" + txtFilterName.Text + "%' ";
             }
             if (Common.StringClass.Check(ddlFilterActive.SelectedValue))
             {
                 strWhere += " and Status = '" + ddlFilterActive.SelectedValue + "' ";
             }
             grdCountry.DataSource = CountryService.Country_GetByTop("", strWhere, "NameCo desc");
             grdCountry.DataBind();
             if (grdCountry.PageCount <= 1)
             {
                 grdCountry.PagerStyle.Visible = false;
             }
         }
     }
     catch (Exception ex)
     {
         WebMsgBox.Show(ex.Message);
     }
 }