repeater练习2

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
using repeater练习.DataSet1TableAdapters;
using System.Web.UI.HtmlControls;

namespace repeater练习
{
    public partial class repeater练习 : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {

        }

        protected void Repeater1_ItemDataBound(object sender, RepeaterItemEventArgs e)
        {
            //不加则e.Item.DataItem为空值（类型为header可调试查找）报错；没有设AlternatingItem但偶数行也识别为e.Item.ItemType == ListItemType.AlternatingItem
            if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
            {
                DataRowView drv = (DataRowView)e.Item.DataItem;
                var userRow = (DataSet1.StatusRow)drv.Row;
                if (userRow.status == "禁用")
                {
                    HtmlTableRow htr = (HtmlTableRow)e.Item.FindControl("tr1");
                    htr.Attributes["class"] = "warning";
                    Button btn = (Button)e.Item.FindControl("Disable");
                    btn.Visible=false;
                }
                else if (userRow.status == "启用")
                {
                    HtmlTableRow htr = (HtmlTableRow)e.Item.FindControl("tr1");
                    htr.Attributes["class"] = "";
                    Button btn = (Button)e.Item.FindControl("Enable");
                    btn.Visible = false;
                }
                else
                {
                    throw new Exception("状态值非法");
                }
            }
        }

        protected void Repeater1_ItemCommand(object source, RepeaterCommandEventArgs e)
        {
            if (e.CommandName == "btn1")//启用
            {
                int i = Convert.ToInt32(e.CommandArgument);
                new StatusTableAdapter().Enable(i);

            }
            else//禁用
            {
                int i = Convert.ToInt32(e.CommandArgument);
                new StatusTableAdapter().Disable(i);
            }
            Repeater1.DataBind();//刷新数据
        }
    }
}