st_roomaddmodule.ascx.cs

酒店管理系统,适合做毕业设计的人

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_RoomAddModule 的摘要说明。
	/// </summary>
	public partial class ST_RoomAddModule : ST_ModuleBase
	{
		private void Page_Load(object sender, System.EventArgs e)
		{
			//绑定房间类型信息下拉列表框
			if(!IsPostBack)
			{
				//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_mysql="select ST_RCategoryId,ST_Name from ST_RoomCategory ";
				SqlCommand ST_cm=new SqlCommand  (ST_mysql,ST_Conn);
				SqlDataReader dr=ST_cm.ExecuteReader ();
				while(dr.Read ())
				{
					ListItem li=new ListItem(dr["ST_Name"].ToString(),dr["ST_RCategoryId"].ToString());
					RCategoryNameList.Items.Add (li);
				}
				ST_Conn.Close ();
			}
		}

		
		//验证房间号是否已登记
		public void IsIdValidate(object source, System.Web.UI.WebControls.ServerValidateEventArgs args)
		{
			//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 ();
			//构造SQL语句，该语句在RoomCategory表中检查房间类型是否已存在
			string checksql= "select * from ST_RoomsInfo where ST_RoomId='"+RoomIdTextBox.Text.Trim() +"'";
			//创建Command对象
			SqlCommand ST_mycommand=new SqlCommand  (checksql,ST_Conn);
			//执行ExecuteReader ()方法
			SqlDataReader dr=ST_mycommand.ExecuteReader ();
			if(dr.Read ())
			{
				args.IsValid =false;//房间号已存在
			}
			else
			{
				args.IsValid =true;//房间号未登记
			}
			//关闭连接
			ST_Conn.Close();
		}
        //房间类型是否已选定
		public void NotNullValidate(object source, System.Web.UI.WebControls.ServerValidateEventArgs args)
		{
			if(RCategoryNameList.SelectedIndex==0)
			{
				args.IsValid =false;//房间类型未选
			}
			else
			{
				args.IsValid =true;//房间类型已选
			}
		}

		#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.SubmitButton.Click += new System.EventHandler(this.SubmitButton_Click);
			this.ReturnButton.Click += new System.EventHandler(this.ReturnButton_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void SubmitButton_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 ();
				//利用Command对象调用存储过程
				SqlCommand ST_mycommand=new SqlCommand  ("ST_InsertRoom",ST_Conn);
				//将命令类型转为存储类型
				ST_mycommand.CommandType =CommandType.StoredProcedure ;
				//往存储过程中添加参数
				ST_mycommand.Parameters .Add ("@RoomId",SqlDbType.Int);
				ST_mycommand.Parameters .Add ("@RCategoryId",SqlDbType.Int);
				ST_mycommand.Parameters .Add ("@RPosition",SqlDbType.NVarChar);
				ST_mycommand.Parameters .Add ("@Description",SqlDbType.NVarChar);
				//给存储过程的参数赋值
				ST_mycommand.Parameters ["@RoomId"].Value =int.Parse(RoomIdTextBox.Text.Trim());
				ST_mycommand.Parameters ["@RCategoryId"].Value = RCategoryNameList.SelectedIndex;
				ST_mycommand.Parameters ["@RPosition"].Value =RPositionTextBox.Text.Trim();
				ST_mycommand.Parameters ["@Description"].Value =DescriptionTextBox.Text.Trim();  
				try
				{
					ST_mycommand.ExecuteNonQuery();
					ShowMsg.Text="新房间信息添加成功";
					ShowMsg.Style["color"]="green";}
				catch(SqlException error)
				{
					ShowMsg.Text="添加未成功，请稍后再试。原因："+error.Message;
					ShowMsg.Style["color"]="red";
				}
				//关闭连接
				ST_Conn.Close();
			}
		}

		private void ReturnButton_Click(object sender, System.EventArgs e)
		{
		    Response.Redirect(PathPrefix+"/ST_RoomsMan.aspx");
		}
	}
}