SysManage/MyClassCourseList.aspx.cs

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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 System.Data.SqlClient;

public partial class SysManage_MyClassCourseList : System.Web.UI.Page
{
    //列表SQL
    public string sqltxt = "";
    //总数SQL
    public string cmdtxt2 = "";
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            sqltxt = "select a.*,b.*,c.ClassName,e.RealName InstructorName,d.MajorName,f.CourseName from ClassCourses a left join Users b on a.ClassId=b.ClassId " +
                  " left join Classes c on a.ClassId=c.ClassId " +
                  " left join Majors d on d.MajorId=c.MajorId " +
                  " left join Instructors e on c.InstructorId=e.UserId " +
                  " left join Courses f on f.CourseId=a.CourseId " +
                  " where a.UserId='" + Session["UserId"] + "'";
          cmdtxt2 = "select count(0) from ClassCourses where UserId='" + Session["UserId"] + "'";

            if (Session["UserName"] != null)
            {
                Get_Pager_Data();
            }
            else
            {
                Response.Redirect("Login.aspx");
            }

        }
    }

    /// <summary>
    /// 获取记录总数
    /// </summary>
    void Get_Pager_Data()
    {
        AspNetPager1.AlwaysShow = true;
        AspNetPager1.PageSize = 18;
        AspNetPager1.RecordCount = DB.getRowCountBySql(cmdtxt2);
        Get_Data();
    }

    /// <summary>
    /// 绑定数据
    /// </summary>
    void Get_Data()
    {
        SqlConnection cn = DB.OpenConnection();
        SqlCommand cmd = new SqlCommand(sqltxt, cn);