admin/paikehandle.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 paikehandle : 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();
                if (Request["coursetaskid"] == null)
                    Response.Redirect("paikemana.aspx");

                string sqlstr = "select t_coursetask.*,t1.name as teachnamez,t2.name as teachnamef,t3.name as teachnames,(xueshijiangshouz+1)/2 as times 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 t_coursetask.id=" + Request["coursetaskid"].ToString();
                GridView1.DataSource = Operation.getDatatable(sqlstr);
                GridView1.DataKeyNames = new string[] { "id" };//主键
                GridView1.DataBind();

                DropDownList1.Items.Add("请选择"); DropDownList1.Items.Add("星期一"); DropDownList1.Items.Add("星期二"); DropDownList1.Items.Add("星期三"); DropDownList1.Items.Add("星期四"); DropDownList1.Items.Add("星期五");
                DropDownList2.Items.Add("请选择"); DropDownList2.Items.Add("第一节(上午)"); DropDownList2.Items.Add("第二节(上午)"); DropDownList2.Items.Add("第三节(下午)"); DropDownList2.Items.Add("第四节(下午)");
                DataTable dt = new DataTable();
                dt.Columns.Add("id", Type.GetType("System.Int32"));
                dt.Columns.Add("weekdays", Type.GetType("System.String"));
                dt.Columns.Add("sections", Type.GetType("System.String"));
                Session["dthandle"] = dt;
                bind(dt);
            }
        }


        void bind(DataTable dt)
        {
            GridView2.DataSource = dt;
            GridView2.DataKeyNames = new string[] { "id" };//主键
            GridView2.DataBind();
        }
        protected void GridView2_RowDeleting(object sender, GridViewDeleteEventArgs e)
        {
            //删除
            DataTable dt = Session["dthandle"] as DataTable;
            for (int i = 0; i < dt.Rows.Count; ++i)
            {
                if (dt.Rows[i][1].ToString().Equals(GridView2.Rows[e.RowIndex].Cells[0].Text.ToString()) && dt.Rows[i][2].ToString() == GridView2.Rows[e.RowIndex].Cells[1].Text.ToString())
                {
                    dt.Rows.RemoveAt(i);
                }
            }
            bind(dt);
        }