admin/supplier/Edit.aspx.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Text;
using System.Data;
using System.Data.SqlClient;

public partial class admin_supplier_Edit : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            //初始化
            chushi();
        }
    }

    /// <summary>
    /// 初始化
    /// </summary>
    protected void chushi()
    {

        StringBuilder strSql = new StringBuilder();
        strSql.Append(@"select * from supplier where id=" + Request.QueryString["id"]);

        //根据编号得到相应的记录
        DataSet ds = SqlHelper.ExecuteforDataSet(strSql.ToString());
        if (ds.Tables[0].Rows.Count > 0)
        {
            txt_mingcheng.Text = ds.Tables[0].Rows[0]["mingcheng"].ToString();
            txt_dizhi.Text = ds.Tables[0].Rows[0]["dizhi"].ToString();
            txt_lianxiren.Text = ds.Tables[0].Rows[0]["lianxiren"].ToString();
            txt_dianhua.Text = ds.Tables[0].Rows[0]["dianhua"].ToString();
        }
    }

    /// <summary>
    /// 编辑
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    protected void btnSave_Click(object sender, EventArgs e)
    {
        //更新   
        StringBuilder strSql = new StringBuilder();
        strSql.Append("update supplier set ");
        strSql.Append("mingcheng = @mingcheng,");
        strSql.Append("dizhi = @dizhi,");
        strSql.Append("lianxiren = @lianxiren,");
        strSql.Append("dianhua = @dianhua ");
        strSql.Append("  where id=@id");
        int id = int.Parse(Request.QueryString["id"]);

        //设置参数
        SqlParameter[] parameters = new SqlParameter[] {