asp.net+sql精品课程管理平台系统论文+源代码+答辩PPT 第4页

repeater2.DataSource = rdt;
        repeater2.DataBind();
     
        string str1 = "select top 6 id,name,pic from teachinfo";
        SqlDataAdapter rst1 = new SqlDataAdapter(str1, cn);
        DataSet rdt1 = new DataSet();
        rst1.Fill(rdt1);
        repeater1.DataSource = rdt1;
        repeater1.DataBind();

        string str2 = "select onedhid,onedhname from main where twodhid=23";
        SqlDataAdapter rst2 = new SqlDataAdapter(str2, cn);
        DataSet rdt2 = new DataSet();
        rst2.Fill(rdt2);
        repeater4.DataSource = rdt2;
        repeater4.DataBind();

string str3 = "select onedhid,onedhname from main where twodhid=9";
        SqlDataAdapter rst3 = new SqlDataAdapter(str3, cn);
        DataSet rdt3 = new DataSet();
        rst3.Fill(rdt3);
        repeater5.DataSource = rdt3;
        repeater5.DataBind();
        cn.Close();
        string h = DateTime.Now.Hour.ToString();//获取系统时间小时
        string m = DateTime.Now.Minute.ToString();//获取系统时间分钟论文网http://www.youerw.com/
        string s = DateTime.Now.Second.ToString();//获取系统时间秒
        Label1.Text = "当前时间是：" + h + "时" + m + "分" + s + "秒";
   
repeater控件代码：
protected void repeater1_ItemCommand1(object source, RepeaterCommandEventArgs e)
    {
    }
    protected void repeater1_ItemCommand(object source, RepeaterCommandEventArgs e)
    {
    }
    protected void repeater4_ItemCommand(object source, RepeaterCommandEventArgs e)
    {
    }
    protected void repeater5_ItemCommand(object source, RepeaterCommandEventArgs e)
    {
    }   
  
4.2前台模块功能实现及代码：
1. 课程设置
如下图4.2所示：
 
图4.2  课程设置图
其主要代码如下：
protected void Page_Load(object sender, EventArgs e)
    {        if (!IsPostBack)
        {       
    string id = Request.QueryString["id"] + "";
                if (id== "")
                {
                    Response.Redirect("index.aspx");

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