admin/ExamPaper.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_ExamPaper : 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();
            BindList();
        }
    }
    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 BindList()
    {
        string sql = "select a.*,b.lessonname from tb_ExamPaper as a join tb_Lesson as b on a.KemuId=b.ID where 1=1";
        if (ddlkm.SelectedValue != "0")
        {
            sql += " and a.KemuId=" + ddlkm.SelectedValue + " ";
        }
        if (TextBox1.Text.Trim() != "")
        {
            sql += " and a.papername like '%" + TextBox1.Text.Trim() + "%' ";
        }
        if (ExamTypes.SelectedValue != "2")
        {
            sql += " and ExamType=" + ExamTypes.SelectedValue + "";
        }
        sql += " order by a.id desc ";