dingdan/dingdanmod.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;
using dao;
public partial class dingdan_dingdanmod : System.Web.UI.Page
{
    string id = "";
    protected void Page_Load(object sender, EventArgs e)
    {
        id = Request.QueryString["id"].ToString();
        if (!IsPostBack)
        {

            string sql = "select * from dingdan where ddid='" + id + "'";//根据ID 查询表信息
            DataTable dt = DBHelper.GetDataSet(sql);
            if (dt.Rows.Count > 0)
            {
               this.cl.Text =dt.Rows[0]["cl"].ToString();
this.lsh.Text =dt.Rows[0]["lsh"].ToString();
this.sysj.Text =dt.Rows[0]["sysj"].ToString();
this.jzsj.Text =dt.Rows[0]["jzsj"].ToString();
this.jg.Text =dt.Rows[0]["jg"].ToString();
this.zysj.Text =dt.Rows[0]["zysj"].ToString();
this.xdsj.Text =dt.Rows[0]["xdsj"].ToString();
this.yh.Text =dt.Rows[0]["yh"].ToString();
this.zt.Text =dt.Rows[0]["zt"].ToString();
this.sm.Text =dt.Rows[0]["sm"].ToString();


     
            }
        }
    }
    protected void Button1_Click(object sender, EventArgs e)
    {
      string cl=this.cl.Text;//车辆
string lsh=this.lsh.Text;//流水号
string sysj=this.sysj.Text;//使用时间
string jzsj=this.jzsj.Text;//截止时间
string jg=this.jg.Text;//价格
string zysj=this.zysj.Text;//租用时间
string xdsj=this.xdsj.Text;//下单时间
string yh=this.yh.Text;//用户
string zt=this.zt.Text;//状态
string sm=this.sm.Text;//说明

		if(cl.Length==0){
MessageBox.Show(this.Page,"车辆不能为空");
return ;
}