admin/paikemana.aspx.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
namespace 排课系统.admin
{
    public partial class paikemana : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                if (Session["username"] == null)
                {
                    WebMessageBox.Show("请登录", "../Default.aspx");
                }
                Label1.Text = Session["username"].ToString();

                //绑定
                bind(); bind1();
            }
        }
        public void bind()
        {
            string sqlstr = "select t_coursetask.*,t1.name as teachnamez,t2.name as teachnamef,t3.name as teachnames from ((t_coursetask left join t_teacher t1 on teachidz=t1.teachid) left join t_teacher t2 on teachidf=t2.teachid) left join t_teacher t3 on teachids=t3.teachid " +
                " where (coursename like '%" + this.findinfo.Text + "%' OR LEN('" + this.findinfo.Text + "')=0) and t_coursetask.id not in (select taskid from t_coursetable) order by t_coursetask.id";
            GridView1.DataSource = Operation.getDatatable(sqlstr);
            GridView1.DataKeyNames = new string[] { "id" };//主键
            GridView1.DataBind();
        }
        public void bind1()
        {
            string
            sqlstr = "select t_coursetable.id as keyid,taskid,weekdays,sections,t_coursetask.*,t1.name as teachnamez,t2.name as teachnamef,t3.name as teachnames from (((t_coursetable left join t_coursetask on taskid=t_coursetask.id) left join t_teacher t1 on teachidz=t1.teachid) left join t_teacher t2 on teachidf=t2.teachid) left join t_teacher t3 on teachids=t3.teachid " +
                "where (coursename like '%" + this.findinfo1.Text + "%' OR LEN('" + this.findinfo1.Text + "')=0)";
            GridView2.DataSource = Operation.getDatatable(sqlstr);
            GridView2.DataKeyNames = new string[] { "keyid" };//主键
            GridView2.DataBind();
        }

        protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
        {
            // 手动排课
            Response.Redirect("paikehandle.aspx?coursetaskid=" + GridView1.DataKeys[e.RowIndex].Value.ToString());
        }

        protected void GridView1_PageIndexChanging(object sender, GridViewPageEventArgs e)
        {
            // 未排课列表分页
            GridView1.PageIndex = e.NewPageIndex;
            //重新绑定　
            bind();
        }
        protected void GridView2_PageIndexChanging(object sender, GridViewPageEventArgs e)
        {
            // 已排课列表分页
            GridView2.PageIndex = e.NewPageIndex;