cheliang/cheliangmod.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 cheliang_cheliangmod : 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 cheliang where clid='" + id + "'";
            DataTable dt = DBHelper.GetDataSet(sql);
            if (dt.Rows.Count > 0)
            {
               this.cl.Text =dt.Rows[0]["cl"].ToString();
this.bh.Text =dt.Rows[0]["bh"].ToString();
this.sj.Text =dt.Rows[0]["sj"].ToString();
this.cx.Text =dt.Rows[0]["cx"].ToString();
this.ys.Text =dt.Rows[0]["ys"].ToString();


     
            }
        }
    }
    protected void Button1_Click(object sender, EventArgs e)
    {
      string cl=this.cl.Text;//车辆
string bh=this.bh.Text;//编号
string sj=this.sj.Text;//司机
string cx=this.cx.Text;//车型
string ys=this.ys.Text;//颜色

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

if(bh.Length==0){
MessageBox.Show(this.Page,"编号不能为空");
return ;
}

if(sj.Length==0){
MessageBox.Show(this.Page,"司机不能为空");
return ;
}