学生成绩管理系统/frmStudent/frmStuInfo.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 Model;
using BLL;


namespace 学生成绩管理系统.frmStudent
{
    public partial class frmStuInfo : Form
    {
        private DataTable dtstudent = new DataTable();
        private  DataSet ds = new DataSet();
        public frmStuInfo()
        {
            InitializeComponent();
        }
        private void dgvload()
        {
            //StuBLL stubll = new StuBLL();
            //dtstudent = stubll.GetStu();
            dgvstu.DataSource = dtstudent;
            //设置主键
            DataColumn[] dc = { dtstudent.Columns["sno"] };
            dtstudent.PrimaryKey = dc;

            dgvstu.Columns["sno"].HeaderText = "学号";
            dgvstu.Columns["sname"].HeaderText = "姓名";
            dgvstu.Columns["ssex"].HeaderText = "性别";
            dgvstu.Columns["sbirthday"].HeaderText = "出生日期";
            dgvstu.Columns["snation"].HeaderText = "民族";
            dgvstu.Columns["spolitical"].HeaderText = "政治面貌";
            dgvstu.Columns["cname"].HeaderText = "班级";
            dgvstu.Columns["cno"].HeaderText = "班号";
        }

        private void frmStuInfo_Load(object sender, EventArgs e)
        {
            DeptBLL deptBll = new DeptBLL();
            DataTable dtdept = deptBll.getDept();
            cobDept.DataSource = deptBll.getDept();
            cobDept.DisplayMember = "cdeptname";
            cobDept.ValueMember = "cdeptno";

            dgvload();

            StuBLL stubll = new StuBLL();
            dtstudent = stubll.GetStu();
            dgvstu.DataSource = dtstudent;
            //设置主键
            DataColumn[] dc = { dtstudent.Columns["sno"] };
            dtstudent.PrimaryKey = dc;

            dgvstu.Columns["sno"].HeaderText = "学号";
            dgvstu.Columns["sname"].HeaderText = "姓名";