using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.UI;
using System.Text;

public partial class Controls_VolumePricingTable : System.Web.UI.UserControl
{
    private DataTable _DataSource;
    public DataTable DataSource
    {
        get { return _DataSource; }
        set { _DataSource = value; }
    }

    private string _RenderedTable;

    public void BindData()
    {
        if (_DataSource != null)
        {
            StringBuilder sb = new StringBuilder();

            sb.Append("<table cellpadding='0' cellspacing='0' class='volumePricingTable'>");

            int LastQuantity = 0;
            for (int i = 0; i < _DataSource.Rows.Count; i++)
            {
                int ThisQuantity = (int)_DataSource.Rows[i]["Quantity"];
                int NextQuantity = (i < _DataSource.Rows.Count-1 ? (int)_DataSource.Rows[i+1]["Quantity"]-1 : -9999);

                sb.Append("<tr>");
                sb.Append("<td class='leftColumn'>");
                sb.Append(String.Format("{0:c}", _DataSource.Rows[i]["Price"]));
                sb.Append("</td>");
                sb.Append("<td class='rightColumn'>");
                sb.Append(ThisQuantity.ToString());
                if (NextQuantity == -9999)
                    sb.Append(" or more");
                else
                {
                    sb.Append(" - ");
                    sb.Append(NextQuantity.ToString());
                    sb.Append(" units");
                }
                sb.Append("</td>");
                sb.Append("</tr>");

                LastQuantity = ThisQuantity;
            }

            sb.Append("</table>");

            _RenderedTable = sb.ToString();
        }
        else
            _RenderedTable = null;
    }

    protected override void Render(HtmlTextWriter writer)
    {
        if (_RenderedTable != null)
        {
            base.Render(writer);
            writer.Write(_RenderedTable);
        }

    }
}