st_rcatgdelmodule.ascx.cs

该功能用于房屋出租

namespace ST_GROUP.Modules
{
    using System;
    using System.Data;
    using System.Data.SqlClient;
    using System.Drawing;
    using System.Web;
    using System.Web.UI.WebControls;
    using System.Web.UI.HtmlControls;
    using System.Configuration;

    /// <summary>
    ///		ST_RCatgEditModule 的摘要说明。
    /// </summary>
    public partial class ST_RCatgDelModule2 : ST_ModuleBase
    {

        private void Page_Load(object sender, System.EventArgs e)
        {
            if (!IsPostBack)
            {
                //显示房间类型信息
                RCategoryIdLabel.Text = Request.QueryString["RCategoryId"].ToString();
                //从文件Web.config中读取连接字符串
                string ST_sqldb = ConfigurationSettings.AppSettings["ConnectionString"];
                //连接ST_GinShopManage数据库
                SqlConnection ST_Conn = new SqlConnection(ST_sqldb);
                ST_Conn.Open();
                //定义sql语句
                String ST_selsql = "select ST_Name,ST_Area,ST_BedNum,ST_Price,ST_AirCondition,ST_TV,ST_network from ST_RoomCategory where ST_RCategoryId = @RCategoryId";
                //创建ST_mycommand对象,调用ST_selsql
                SqlCommand ST_mycommand = new SqlCommand(ST_selsql, ST_Conn);
                ST_mycommand.Parameters.Add("@RCategoryId", SqlDbType.Int);
                ST_mycommand.Parameters["@RCategoryId"].Value = int.Parse(RCategoryIdLabel.Text);
                SqlDataReader dr = ST_mycommand.ExecuteReader();
                if (dr.Read())
                {
                    RCatgNameTextBox.Text = dr["ST_Name"].ToString();
                    AreaTextBox.Text = dr["ST_Area"].ToString();
                    BedNumTextBox.Text = dr["ST_BedNum"].ToString();
                    PriceTextBox.Text = dr["ST_Price"].ToString();
                    AirConditionList.SelectedIndex = int.Parse(dr["ST_AirCondition"].ToString());
                    TvList.SelectedIndex = int.Parse(dr["ST_TV"].ToString());
                }
            }
        }

        #region Web 窗体设计器生成的代码
        override protected void OnInit(EventArgs e)
        {
            //
            // CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
            //
            InitializeComponent();
            base.OnInit(e);
        }

        /// <summary>
        ///		设计器支持所需的方法 - 不要使用代码编辑器
        ///		修改此方法的内容。
        /// </summary>
        private void InitializeComponent()
        {
            this.Submit.Click += new System.EventHandler(this.Submit_Click);
            this.Load += new System.EventHandler(this.Page_Load);

        }
        #endregion

        private void Submit_Click(object sender, System.EventArgs e)
        {
            if (Page.IsValid)
            {
                //从文件Web.config中读取连接字符串
                string ST_sqldb = ConfigurationSettings.AppSettings["ConnectionString"];
                //连接ST_GinShopManage数据库
                SqlConnection ST_Conn = new SqlConnection(ST_sqldb);
                ST_Conn.Open();
                //定义sql语句
                String updatesql = "delete from ST_RoomCategory where ST_RCategoryId = @RCategoryId";
                //利用Command对象调用updatesql
                SqlCommand ST_mycommand = new SqlCommand(updatesql, ST_Conn);
                //往存储过程中添加参数
                ST_mycommand.Parameters.Add("@RCategoryId", SqlDbType.Int);
                ST_mycommand.Parameters["@RCategoryId"].Value = int.Parse(RCategoryIdLabel.Text);
                try
                {
                    ST_mycommand.ExecuteNonQuery();
                    ShowMsg.Text = "房间类型信息删除成功";
                    ShowMsg.Style["color"] = "green";
                }
                catch (SqlException error)
                {
                    ShowMsg.Text = "修改未成功，请稍后再试。原因：" + error.Message;
                    ShowMsg.Style["color"] = "red";
                }
                //关闭连接
                ST_Conn.Close();
            }
        }
 }
}