gridview and repeater

protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
    {
        //Button btndelete = (Button)e.Row.FindControl("btndelete");
        //if (btndelete != null)
        //{
        //    //btndelete.Attributes.Add("onclick", "btndoubleclick_Click()");
        //    //btndelete.Style["display"] = "none";
        //}
        if (e.Row.RowType == DataControlRowType.DataRow)
        {
            DataRowView drv = (DataRowView)e.Row.DataItem;
            int k = e.Row.RowIndex % 2;
            //e.Row.Attributes.Add("onclick", "window.open('Default.aspx');");
            e.Row.Cells[1].Attributes.Add("onclick", "window.open('Default.aspx');");
            e.Row.Cells[2].Attributes.Add("onclick", "window.open('Default.aspx');");
            e.Row.Attributes.Add("onmouseover", "this.style.textDecoration='underline';this.style.cursor='pointer';this.style.backgroundColor='#00A9FF';");
            e.Row.Attributes.Add("onmouseout", "this.style.textDecoration='none';if(" + k + "==0){this.style.backgroundColor='#528B8B';}else{this.style.backgroundColor='#FFFFFF';}");
            switch (drv.Row.ItemArray[1].ToString())
            {
                case "zhuo":
                    e.Row.Cells[1].Text = "陈卓勇";
                    break;
                case "xsgl":
                    e.Row.Cells[1].Text = "学生管理";
                    break;
            }
        }
    }

protected void GridView1_RowCommand(object sender, GridViewCommandEventArgs e)
    {
        if (e.CommandName == "shanchu")
        {
            //int id = Convert.ToInt32(GridView1.Rows[drv.RowIndex].Cells["Id"].Text);
            int id = Convert.ToInt32(e.CommandArgument.ToString());
            DBHelper.ExecuteSql("delete from tbWorker where id="+id+"");
            BindGridView();
        }
    }

protected void btnshanchu_Click(object sender, EventArgs e)
    {
        bool Choose = false;  //用于标记GridView中任意CheckBox控件是否被选中
        bool Wrong = false;   //用于标记删除GridView中某一行的数据时是否失败
        string msg = "";      //用于记录当删除失败时存储的错误信息

        //遍历GridView所有行
        for (int i = 0; i < GridView1.Rows.Count; i++)
        {
            //如果某一行的CheckBox被选中，则执行删除操作
            CheckBox chk = (CheckBox)(GridView1.Rows[i].Cells[0].FindControl("chkItem"));
            if (chk.Checked == true)
            {
                Choose = true;
                //获取要被删除的记录id
                int id = Convert.ToInt32(GridView1.DataKeys[i].Value);
                if (Rowdelete("delete from tbWorker where id="+id+"") == false)  //请自行更改
                {
                    Wrong = true;
                    msg = msg + "第" + (i + 1) + "行删除失败！";
                    continue;
                }
            }
        }

        //校验
        if (Choose == false)
        {
            Page.ClientScript.RegisterStartupScript(Page.GetType(), "message", "<script language='javascript' defer>alert('没有任何选项被选中，无法删除！');</script>");
            return;
        }
        if (Wrong == true)
        {
            Page.ClientScript.RegisterStartupScript(Page.GetType(), "message", "<script language='javascript' defer>alert('" + msg + "请联系管理员');</script>");
            return;
        }
        BindGridView();
    }

protected void Repeater1_ItemDataBound(object sender, RepeaterItemEventArgs e)
    {
        if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
        {
            DataRowView drv = e.Item.DataItem as DataRowView;

            switch (drv.Row.ItemArray[1].ToString())
            {
                case "zhuo":
                    drv[1] = "陈卓勇";
                    break;
                case "xsgl":
                    drv[1] = "学生管理";
                    break;
            }

        }
    }
    protected void Repeater1_ItemCommand(object source, RepeaterCommandEventArgs e)
    {
        if (e.CommandName == "shanchu")
        {
            if (!Rowdelete("delete from tbWorker where id=" + e.CommandArgument.ToString() + ""))
            {
                Response.Write("<script>alert('删除失败')</script>");
            }
            BindRepeater();
        }
    }