UI1/CourseInfo.aspx.cs

这里只显示每个文件的开头 60 行。登录后可以解锁完整代码。

微信扫码关注公众号，代码整理好后第一时间通知你。

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using BLL;
using System.Windows.Forms;
public partial class CourseInfo : System.Web.UI.Page
{
    private CourseManage coursmanage = new CourseManage();
    protected void Page_Load(object sender, EventArgs e)
    {
        if (int.Parse(Session["grade"].ToString())>=3)
        {
            Response.Redirect("faliur.aspx");
        }
        
        if (!IsPostBack) 
        {
            selectAll();
        }

    }
    protected void drpbm_DataBound(object sender, EventArgs e)
    {
        drpbm.Items.Add("请选择系别");
        if (!IsPostBack)
        {
            drpbm.SelectedValue = "请选择系别";
        }
    }
    public void selectAll()
    {
        DataTable dt = new DataTable();
       dt=coursmanage.selectAll();
       GridView1.DataSource = dt;
       GridView1.DataBind();

    }
    protected void btnAdd_Click(object sender, EventArgs e)
    {
        
        DataTable dt=coursmanage.selectAll();
        if (txtCourseID.Text.Length <= 0)
        {
            Page.RegisterStartupScript(" ","<script>confirm('课程编号不能为空')</script>");
            return;
        }
        if (txtcoursename.Text.Length <= 0)
        {
            Page.RegisterStartupScript(" ", "<script>confirm('课程名不能为空')</script>");
            return;
        }
        if ((txtCourseID.Text.ToString()) == (dt.Rows[0]["CourseID"].ToString()))
        {