frmupdatecourse.cs

大二做的课程设计。一个学生信息管理系统

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

namespace Students1
{
    using StudentLibrary.Business;
    public partial class frmUpdateCourse : Form
    {
        private int iCourseId;
        public frmUpdateCourse(int iCourseId)
        {
            InitializeComponent();
            this.iCourseId = iCourseId;
        }
        /// <summary>
        /// 获取信息
        /// </summary>
        private void GetCourseInfo()
        {
            Courses courses = new Courses();
            DataSet dataSet = new DataSet();

            try
            {
                dataSet = courses.SelectCourse(
                    iCourseId,
                    -1,
                    -1);
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
            DataRow row = dataSet.Tables[0].Rows[0];
            this.dateTimePicker1.Value = Convert.ToDateTime(row["BeginDate"]);
            this.dateTimePicker2.Value = Convert.ToDateTime(row["FinishDate"]);
            this.textBox2.Text = row["ClassName"].ToString();
            this.textBox1.Text = row["Remark"].ToString();
            this.textBox3.Text = row["SubjectName"].ToString();


        }

        /// <summary>
        /// 更改
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void button1_Click(object sender, EventArgs e)
        {
            Courses courses = new Courses();
            courses.UpdateCourse(
                iCourseId,
                this.dateTimePicker1.Value,
                this.dateTimePicker2.Value,
                this.textBox1.Text);
            MessageBox.Show("更新成功。");
            this.Close();

        }

        private void frmUpdateCourse_Load(object sender, EventArgs e)
        {
            GetCourseInfo();

        }
        /// <summary>
        /// 删除
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void button2_Click(object sender, EventArgs e)
        {
            Courses courses = new Courses();
            courses.DeleteCourse(
                iCourseId,
                -1,
                -1);
            MessageBox.Show("删除成功。");
            this.Close();
        }

        private void button3_Click(object sender, EventArgs e)
        {
            this.Close();
        }
    }
}