parts/Modify.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 parts_Modify : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!Page.IsPostBack)
        {
            chushi();
        }
    }

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

        StringBuilder strSql = new StringBuilder();
        strSql.Append(@"select * from parts where pid=" + 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_pname.Text = ds.Tables[0].Rows[0]["pname"].ToString();
            txt_people.Text = ds.Tables[0].Rows[0]["people"].ToString();
            txt_tel.Text = ds.Tables[0].Rows[0]["tel"].ToString();
            txt_memo.Text = ds.Tables[0].Rows[0]["memo"].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 parts set ");
        strSql.Append("pname = @pname,");
        strSql.Append("people = @people,");
        strSql.Append("tel = @tel,");
        strSql.Append("memo = @memo");
        strSql.Append("  where pid=@pid");
        int pid = int.Parse(Request.QueryString["id"]);