mark.cs

程序设计语言上机考试系统

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;

namespace WindowsApplication1.Datachaxun
{
    public partial class Mark : Form
    {
        baseclass.BaseOperate boperate = new baseclass.BaseOperate();
        public Mark()
        {
            InitializeComponent();
        }

        #region 点击gV单元格，改变选中行的颜色
        private void dataGridView1_CellClick(object sender, DataGridViewCellEventArgs e)
        {
            for (int i = 0; i < dataGridView1.Rows.Count; i++)
                dataGridView1.Rows[i].DefaultCellStyle.BackColor = Color.White;
            dataGridView1.CurrentRow.DefaultCellStyle.BackColor = Color.LightSlateGray;
        }
        #endregion

        private void btnOk_Click(object sender, EventArgs e)
        {
            //将gV中数据导出到excel中
            boperate.ExportDataGridview(dataGridView1, true, "mark.xls");
        }

        private void Mark_Load(object sender, EventArgs e)
        {
            //加载成绩表中的数据
            DataSet myds = boperate.getds(
                "select student.s_number as 学号,s_name as 姓名,department as 院系,profession as 专业,class as 班级, A as 选择题,B as 判断题,C as 程序设计题, score as 总成绩 from student , marks where marks.s_number= student.s_number ",
                "student");
                dataGridView1.DataSource = myds.Tables[0];
            if(myds.Tables[0].Rows.Count <= 0)
            {
                dataGridView1.AllowUserToAddRows = true;
                MessageBox.Show("成绩表为空！", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
                this.btnOk.Enabled = false;
            }
        }

        private void btnQuit_Click(object sender, EventArgs e)
        {
            this.Close();
        }
    }
}