supplier/supplier_Edit.aspx.cs

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using System;
using System.Collections;
using System.Configuration;
using System.Data;
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.Text;
using System.Data.SqlClient;

public partial class supplier_Edit : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!Page.IsPostBack)
        {
            ShowInfo();
        }
    }

       // 初始化
    protected void ShowInfo()
    {


        string sql = "select * from supplier where sid=" + Request.QueryString["id"] ;
        //根据编号得到相应的记录
        SqlDataReader sdr = SqlHelper.ExecuteReader(sql);
        if (sdr.Read())
        {
            txt_sname.Text = sdr["sname"].ToString();
            txt_tel.Text = sdr["tel"].ToString();
            txt_fax.Text = sdr["fax"].ToString();
            txt_people.Text = sdr["people"].ToString();
            txt_ptel.Text = sdr["ptel"].ToString();
            txt_bank.Text = sdr["bank"].ToString();
            txt_bankno.Text = sdr["bankno"].ToString();
            txt_address.Text = sdr["address"].ToString();
            txt_postno.Text = sdr["postno"].ToString();
        }
    }

    // 保存
    protected void btnSave_Click(object sender, EventArgs e)
    {
        StringBuilder strSql = new StringBuilder();

        //更新   
        strSql.Append("update supplier set ");
        strSql.Append("sname = @sname,");
        strSql.Append("tel = @tel,");
        strSql.Append("fax = @fax,");
        strSql.Append("people = @people,");
        strSql.Append("ptel = @ptel,");
        strSql.Append("bank = @bank,");
        strSql.Append("bankno = @bankno,");
        strSql.Append("address = @address,");