kaoshengbaokao_add.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;

public partial class kaoshengbaokao_add : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        string sql;
        sql = "select id from kaoshengbaokao where yonghuming='"+Session["username"].ToString().Trim()+"'";
        DataSet result = new DataSet();
        result = new Class1().hsggetdata(sql);
        if (result != null)
        {
            if (result.Tables[0].Rows.Count > 0)
            {
                Response.Write("<script>javascript:alert('对不起，您已经报考一门课程了，请不要多报！');location.href='kaoshengbaokao_list2.aspx';</script>");
                Response.End();
            }
        }
		if (!IsPostBack)
        {
            Random rnd = new Random();
            int n = rnd.Next(1000, 9999);
            string newname = DateTime.Now.Year.ToString().Trim() + DateTime.Now.Month.ToString().Trim() + DateTime.Now.Day.ToString().Trim() + DateTime.Now.Hour.ToString().Trim() + DateTime.Now.Minute.ToString().Trim() + DateTime.Now.Second.ToString().Trim() + n.ToString().Trim();
            baokaoxuhao.Text = newname;

            yonghuming.Text = Session["username"].ToString().Trim();
            xingming.Text = Session["xm"].ToString().Trim();
            baokaokemu.Items.Add("请选择");
            addxiala("kaoshikemu", "kemu", "");
        }
    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        string sql;
        sql="insert into kaoshengbaokao(baokaoxuhao,yonghuming,xingming,baokaokemu,kaoshishijian,kaochang,feiyong) values('"+baokaoxuhao.Text.ToString().Trim()+"','"+yonghuming.Text.ToString().Trim()+"','"+xingming.Text.ToString().Trim()+"','"+baokaokemu.Text.ToString().Trim()+"','"+kaoshishijian.Text.ToString().Trim()+"','"+kaochang.Text.ToString().Trim()+"','"+feiyong.Text.ToString().Trim()+"') ";

        int result;
        result = new Class1().hsgexucute(sql);
        if (result == 1)
        {
            Response.Write("<script>javascript:alert('添加成功');</script>");
        }
        else
        {
            Response.Write("<script>javascript:alert('系统错误，请检查数据库设置问题');</script>");
        }
    }
    private void addxiala(string ntable, string nzd, string nxlk)
    {
        string sql;
        sql = "select " + nzd + " from " + ntable + " order by id desc";