using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.ComponentModel;

namespace Education.Forms.Common
{
    public partial class 起訖日顯示 : System.Web.UI.UserControl
    {
        protected void Page_Load(object sender, EventArgs e)
        {

        }

        [Bindable(true)]
        public Object 起日
        {
            get;
            set;
        }

        [Bindable(true)]
        public Object 迄日
        {
            get;
            set;
        }

        [Bindable(true)]
        [DefaultValue("yyyy-MM-dd")]
        public string Format
        {
            get;
            set;
        }

        public override void DataBind()
        {
            base.DataBind();

            if (DesignMode)
                return;

            DateTime dt起日 = WebLib.DAC.GetDateTime(起日);
            DateTime dt迄日 = WebLib.DAC.GetDateTime(迄日);

            if (dt起日.Ticks > 0)
            {
                lb起日.Text = dt起日.ToString(Format);
            }
            else
            {
                lb起日.Text = "";
            }

            if (dt迄日.Ticks > 0 && dt起日.CompareTo(dt迄日) != 0)
            {
                lb至.Text = "至";
                lb迄日.Text = dt迄日.ToString(Format);
            }
            else
            {
                lb至.Text = "";
                lb迄日.Text = "";
            }
        }
    }
}