C#

John Simmons / outlaw programmer wrote:

Personally, I wouldn't use a Timer object because it's the lowest priority message in Windows, and in a busy system, there's no guarantee the message will even be handled. Instead, I use a BackgroundWorker

John Simmons / outlaw programmer wrote:

all controls of the same type are grouped in the same place in intellisense.

protected void BtnUpdate_Click(object sender, EventArgs e)
{
    dt = (DataTable)Session["Cart"];
    CheckBox chkSelected = new CheckBox();

    foreach (DataGridItem dgItem in DataGrid2.Items)
    {
        chkSelected = (CheckBox)dgItem.FindControl("chkSelection");

        if (chkSelected.Checked == true)
        {

            TextBox TxtQTY = (TextBox)dgItem.Cells[2].FindControl("TxtQTY");
            int Txt2 = Convert.ToInt32(TxtQTY.Text);

            Label lblProduct_Id = (Label)dgItem.Cells[0].FindControl("lblProduct_Id");
            string id2 = lblProduct_Id.Text;

            Label lblDescription = (Label)dgItem.Cells[1].FindControl("lblDescription");
            string desc2 = lblDescription.Text;

            Label lblPrice = (Label)dgItem.Cells[3].FindControl("lblPrice");
            float price2 = Convert.ToSingle(lblPrice.Text);

            Label lblCost = (Label)dgItem.Cells[3].FindControl("lblCost");
            float cost2 = Convert.ToSingle(lblCost.Text);

            float final_cost = price2 * Txt2;

              DataRow myrow = dt.NewRow();
              myrow["REF"] = id2;
              myrow["Description"] = desc2;
              myrow["QTY"] = Txt2;
              myrow["Price"] = price2;
              myrow["Cost"] = final_cost;

              dt.Rows.Add(myrow);
              dt.AcceptChanges();
              Session["data"] = dt;
        }

    }
    //dt.Rows.RemoveAt(index);
    DataGrid2.DataSource = dt;
    DataGrid2.DataBind();
}