学生成绩管理系统/frmCourse/frmSetCourse.cs

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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Data.SqlClient;
using System.Collections;
using BLL;
using Model;


namespace 学生成绩管理系统.frmCourse
{
    public partial class frmSetCourse : Form
    {
        DataTable dtClaCur ;
        //List<Class_Course> ClsCurs = new List<Class_Course>();
       
        public frmSetCourse()
        {
            InitializeComponent();
        }

        private void frmSetCourse_Load(object sender, EventArgs e)
        {
           //显示课程
            CourseBLL cbll = new CourseBLL();
            DataTable dtcourse = cbll.GetCourse();
            cobCourse.DataSource = cbll.GetCourse();
            cobCourse.DisplayMember = "curname";
            cobCourse.ValueMember = "curno";
           
            //显示系别
            DeptBLL deptBll = new DeptBLL();
            DataTable dtdept = deptBll.getDept();
            cobDept.DataSource = deptBll.getDept();
            cobDept.DisplayMember = "cdeptname";
            cobDept.ValueMember = "cdeptno";

            Class_CourseBLL ccbll = new Class_CourseBLL();
            dtClaCur = ccbll.GetClaCur();
            dgvSetCourse.DataSource = dtClaCur;
            dgvSetCourse.Columns["ID"].HeaderText = "序号";
            dgvSetCourse.Columns["cname"].HeaderText = "班级";
            dgvSetCourse.Columns["curno"].Visible = false;
            //dgvSetCourse.Columns["cdeptName"].Visible = false;
            dgvSetCourse.Columns["curname"].HeaderText = "课程";
            dgvSetCourse.Columns["cno"].Visible = false;
            dgvSetCourse.Columns["cname"].Width = 150;
            dgvSetCourse.Columns["curname"].Width = 150;
           
            dgvload();

        }
        private void cobDept_SelectedIndexChanged(object sender, EventArgs e)
        {
            ClassBLL classBll = new ClassBLL();