admin/UpdateMoKuai.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 admin_UpdateMoKuai : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (Session["admin"] == null && Session["teacher"] == null)
        {
            Response.Redirect("../Login.aspx");
        }
        if (!IsPostBack)
        {
            BindKeMu();
            InitInfo();
        }
    }
    private void BindKeMu()
    {
        string conn = ConfigurationManager.ConnectionStrings["db_ExamOnlineConnectionString1"].ConnectionString;
        string sql = "select * from tb_Lesson";
        SqlDataReader sdr = PetShop.DBUtility.SqlHelper.ExecuteReader(conn, CommandType.Text, sql, null);
        if (sdr != null)
        {
            ddlkm.DataSource = sdr;
            ddlkm.DataTextField = "lessonname";
            ddlkm.DataValueField = "id";
            ddlkm.DataBind();
        }
        ddlkm.Items.Insert(0, new ListItem("请选择科目", "0"));
        sdr.Close();
        sdr.Dispose();
    }

    private void InitInfo()
    {
        string conn = ConfigurationManager.ConnectionStrings["db_ExamOnlineConnectionString1"].ConnectionString;
        string id = "0";
        if (Request["id"] != null)
        {
            id = Request["id"].ToString();
        }
        string sql = "select * from Exam_MoKuai where id=" + id + "";
        SqlDataReader sdr = PetShop.DBUtility.SqlHelper.ExecuteReader(conn, CommandType.Text, sql, null);
        if (sdr != null)
        {
            while (sdr.Read())
            {
                ddlkm.SelectedValue = sdr[1].ToString();
                E_Name.Text = sdr[2].ToString().Trim();
                TextBox1.Text = sdr[3].ToString().Trim();