manage/menus_type/Edit_menus_type.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 Edit_menus_type : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!Page.IsPostBack)
        {
           ((Label)Master.FindControl("titleMsg")).Text  = "修改菜系类别";
            ShowInfo();
        }
    }

       // 初始化
    protected void ShowInfo()
    {


        string sql = "select * from menus_type where bh=" + Request.QueryString["id"] ;
        //根据编号得到相应的记录
        SqlDataReader sdr = SqlHelper.ExecuteReader(sql);
        if (sdr.Read())
        {
            txt_lbmc.Text = sdr["lbmc"].ToString();
        }
    }

    // 保存
    protected void btnSave_Click(object sender, EventArgs e)
    {
//验证输入
        string err = "";

        if (txt_lbmc.Text == "")
        {
            err += "菜系名称不能为空！\\n";
        }
        if (err != "")
        {
            MessageBox.Show(this, err);
            return;
        }

        StringBuilder strSql = new StringBuilder();

        //更新   
        strSql.Append("update menus_type set ");
        strSql.Append("lbmc = @lbmc ");
        strSql.Append("  where bh=@bh");