admin/AddShiJuanXinXi.aspx.cs

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using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;

public partial class admin_AddShiJuanXinXi : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            BindKeMu();
            BindMoKuai();
        }
    }

    private void BindKeMu()
    {
        DataTable dt = Exam.SqlHelper.ExecuteDataset(BaseClass.DBCon(), CommandType.Text, "select * from tb_Lesson").Tables[0];
        if (dt != null && dt.Rows.Count > 0)
        {
            this.ddlkm.DataSource = dt;
            this.ddlkm.DataTextField = "LessonName";
            this.ddlkm.DataValueField = "ID";
            this.ddlkm.DataBind();
        }
        else
        {
            ddlkm.DataSource = null;
            ddlkm.DataBind();
        }
        ddlkm.Items.Insert(0, new ListItem("请选择科目", "0"));

    }
    private void BindMoKuai()
    {

        string sql = "select * from Exam_MoKuai where KeMuId=" + ddlkm.SelectedValue + "";
        DataTable dt = Exam.SqlHelper.ExecuteDataset(BaseClass.DBCon(), CommandType.Text, sql).Tables[0];
        MoKuaiList.Items.Clear();
        if (dt != null && dt.Rows.Count > 0)
        {
            for (int i = 0; i < dt.Rows.Count; i++)
            {
                ListItem li = new ListItem(dt.Rows[i]["XiangMuName"].ToString() + "-" + dt.Rows[i]["XiangMuTitle"].ToString(), dt.Rows[i]["id"].ToString());
                MoKuaiList.Items.Add(li);
            }
        }
        ListItem li1 = new ListItem("请选择", "0");
        MoKuaiList.Items.Insert(0, li1);
    }