Teachter/admin_FillBlankAdd.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 Web_admin_FillBlankAdd : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            TextBox1.Visible = false;
            Button1.Visible = false;
            InitDDLData();          //初始化考试科目下拉列表框          
            if (Request["ID"] != null)//如果是修改题目，初始化数据
            {
                imgBtnSave.Visible = false;
                Button1.Visible = true;
                TextBox1.Visible = true;
                DropDownList1.Visible = false;
                InitData();
            }
        }
    }
    protected void InitData()
    {
        Data mydata = new Data();
        int id = int.Parse(Request["ID"].ToString());  //取出传递过来的试题编号
        //创建单选题对象
        try
        {
            SqlDataReader dr;
            dr = mydata.GetDataReader("select * from FillBlankProblem where id=" + id);
            dr.Read();
            ddlCourse.SelectedValue = dr["CourseID"].ToString();
            this.txtTitle.Text = dr["Title"].ToString();
            this.txtAnswer.Text = dr["Answer"].ToString();
            TextBox1.Text = dr["nandu"].ToString();


        }
        catch
        {

            lblMessage.Text = "加载数据出错！";

        }

    }
    //初始化考试科目
    protected void InitDDLData()
    {
        Data mydata = new Data();