manageline.aspx.cs

酒店管理系统

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;

namespace hotel.manage
{
	/// <summary>
	/// manageline 的摘要说明。
	/// </summary>
	public class manageline : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.LinkButton LinkButton1;
		protected System.Web.UI.WebControls.DataGrid DataGrid1;
		protected System.Data.SqlClient.SqlConnection sqlConnection1;
		protected System.Data.SqlClient.SqlDataAdapter sqlDataAdapter1;
		protected System.Data.SqlClient.SqlCommand sqlSelectCommand1;
		protected System.Data.SqlClient.SqlCommand sqlInsertCommand1;
		protected System.Data.SqlClient.SqlCommand sqlUpdateCommand1;
		protected System.Data.SqlClient.SqlCommand sqlDeleteCommand1;
		protected hotel.manage.DataSet4 dataSet41;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			// 在此处放置用户代码以初始化页面
			if(!Page.IsPostBack)
			{
				bindData();
			}
		}
		void bindData()
		{
			sqlDataAdapter1.Fill(dataSet41);
			DataGrid1.DataBind();
		}

		#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.sqlConnection1 = new System.Data.SqlClient.SqlConnection();
			this.sqlDataAdapter1 = new System.Data.SqlClient.SqlDataAdapter();
			this.sqlDeleteCommand1 = new System.Data.SqlClient.SqlCommand();
			this.sqlInsertCommand1 = new System.Data.SqlClient.SqlCommand();
			this.sqlSelectCommand1 = new System.Data.SqlClient.SqlCommand();
			this.sqlUpdateCommand1 = new System.Data.SqlClient.SqlCommand();
			this.dataSet41 = new hotel.manage.DataSet4();
			((System.ComponentModel.ISupportInitialize)(this.dataSet41)).BeginInit();
			this.LinkButton1.Click += new System.EventHandler(this.LinkButton1_Click);
			this.DataGrid1.PageIndexChanged += new System.Web.UI.WebControls.DataGridPageChangedEventHandler(this.DataGrid1_PageIndexChanged);
			this.DataGrid1.CancelCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.DataGrid1_CancelCommand);
			this.DataGrid1.EditCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.DataGrid1_EditCommand);
			this.DataGrid1.UpdateCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.DataGrid1_UpdateCommand);
			this.DataGrid1.DeleteCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.DataGrid1_DeleteCommand);
			this.DataGrid1.ItemDataBound += new System.Web.UI.WebControls.DataGridItemEventHandler(this.DataGrid1_ItemDataBound);
			// 
			// sqlConnection1
			// 
			this.sqlConnection1.ConnectionString = "workstation id=\"TWJ-9490D5784F6\";packet size=4096;user id=sa;data source=\".\";pers" +
				"ist security info=True;initial catalog=twj;password=sa";
			// 
			// sqlDataAdapter1
			// 
			this.sqlDataAdapter1.DeleteCommand = this.sqlDeleteCommand1;
			this.sqlDataAdapter1.InsertCommand = this.sqlInsertCommand1;
			this.sqlDataAdapter1.SelectCommand = this.sqlSelectCommand1;
			this.sqlDataAdapter1.TableMappings.AddRange(new System.Data.Common.DataTableMapping[] {
																									  new System.Data.Common.DataTableMapping("Table", "line", new System.Data.Common.DataColumnMapping[] {
																																																			  new System.Data.Common.DataColumnMapping("lineid", "lineid"),
																																																			  new System.Data.Common.DataColumnMapping("linename", "linename"),
																																																			  new System.Data.Common.DataColumnMapping("lineprice", "lineprice"),
																																																			  new System.Data.Common.DataColumnMapping("datatime", "datatime"),
																																																			  new System.Data.Common.DataColumnMapping("journey", "journey"),
																																																			  new System.Data.Common.DataColumnMapping("picture", "picture")})});
			this.sqlDataAdapter1.UpdateCommand = this.sqlUpdateCommand1;
			// 
			// sqlDeleteCommand1
			// 
			this.sqlDeleteCommand1.CommandText = @"DELETE FROM line WHERE (lineid = @Original_lineid) AND (datatime = @Original_datatime OR @Original_datatime IS NULL AND datatime IS NULL) AND (journey = @Original_journey OR @Original_journey IS NULL AND journey IS NULL) AND (linename = @Original_linename OR @Original_linename IS NULL AND linename IS NULL) AND (lineprice = @Original_lineprice OR @Original_lineprice IS NULL AND lineprice IS NULL) AND (picture = @Original_picture OR @Original_picture IS NULL AND picture IS NULL)";
			this.sqlDeleteCommand1.Connection = this.sqlConnection1;
			this.sqlDeleteCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_lineid", System.Data.SqlDbType.Int, 4, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "lineid", System.Data.DataRowVersion.Original, null));
			this.sqlDeleteCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_datatime", System.Data.SqlDbType.VarChar, 50, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "datatime", System.Data.DataRowVersion.Original, null));
			this.sqlDeleteCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_journey", System.Data.SqlDbType.VarChar, 8000, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "journey", System.Data.DataRowVersion.Original, null));
			this.sqlDeleteCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_linename", System.Data.SqlDbType.VarChar, 50, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "linename", System.Data.DataRowVersion.Original, null));
			this.sqlDeleteCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_lineprice", System.Data.SqlDbType.Int, 4, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "lineprice", System.Data.DataRowVersion.Original, null));
			this.sqlDeleteCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_picture", System.Data.SqlDbType.VarChar, 50, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "picture", System.Data.DataRowVersion.Original, null));
			// 
			// sqlInsertCommand1
			// 
			this.sqlInsertCommand1.CommandText = "INSERT INTO line(lineid, linename, lineprice, datatime, journey, picture) VALUES " +
				"(@lineid, @linename, @lineprice, @datatime, @journey, @picture); SELECT lineid, " +
				"linename, lineprice, datatime, journey, picture FROM line WHERE (lineid = @linei" +
				"d)";
			this.sqlInsertCommand1.Connection = this.sqlConnection1;
			this.sqlInsertCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@lineid", System.Data.SqlDbType.Int, 4, "lineid"));
			this.sqlInsertCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@linename", System.Data.SqlDbType.VarChar, 50, "linename"));
			this.sqlInsertCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@lineprice", System.Data.SqlDbType.Int, 4, "lineprice"));
			this.sqlInsertCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@datatime", System.Data.SqlDbType.VarChar, 50, "datatime"));
			this.sqlInsertCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@journey", System.Data.SqlDbType.VarChar, 8000, "journey"));
			this.sqlInsertCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@picture", System.Data.SqlDbType.VarChar, 50, "picture"));
			// 
			// sqlSelectCommand1
			// 
			this.sqlSelectCommand1.CommandText = "SELECT lineid, linename, lineprice, datatime, journey, picture FROM line";
			this.sqlSelectCommand1.Connection = this.sqlConnection1;
			// 
			// sqlUpdateCommand1
			// 
			this.sqlUpdateCommand1.CommandText = @"UPDATE line SET lineid = @lineid, linename = @linename, lineprice = @lineprice, datatime = @datatime, journey = @journey, picture = @picture WHERE (lineid = @Original_lineid) AND (datatime = @Original_datatime OR @Original_datatime IS NULL AND datatime IS NULL) AND (journey = @Original_journey OR @Original_journey IS NULL AND journey IS NULL) AND (linename = @Original_linename OR @Original_linename IS NULL AND linename IS NULL) AND (lineprice = @Original_lineprice OR @Original_lineprice IS NULL AND lineprice IS NULL) AND (picture = @Original_picture OR @Original_picture IS NULL AND picture IS NULL); SELECT lineid, linename, lineprice, datatime, journey, picture FROM line WHERE (lineid = @lineid)";
			this.sqlUpdateCommand1.Connection = this.sqlConnection1;
			this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@lineid", System.Data.SqlDbType.Int, 4, "lineid"));
			this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@linename", System.Data.SqlDbType.VarChar, 50, "linename"));
			this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@lineprice", System.Data.SqlDbType.Int, 4, "lineprice"));
			this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@datatime", System.Data.SqlDbType.VarChar, 50, "datatime"));
			this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@journey", System.Data.SqlDbType.VarChar, 8000, "journey"));
			this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@picture", System.Data.SqlDbType.VarChar, 50, "picture"));
			this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_lineid", System.Data.SqlDbType.Int, 4, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "lineid", System.Data.DataRowVersion.Original, null));
			this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_datatime", System.Data.SqlDbType.VarChar, 50, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "datatime", System.Data.DataRowVersion.Original, null));
			this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_journey", System.Data.SqlDbType.VarChar, 8000, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "journey", System.Data.DataRowVersion.Original, null));
			this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_linename", System.Data.SqlDbType.VarChar, 50, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "linename", System.Data.DataRowVersion.Original, null));
			this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_lineprice", System.Data.SqlDbType.Int, 4, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "lineprice", System.Data.DataRowVersion.Original, null));
			this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_picture", System.Data.SqlDbType.VarChar, 50, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "picture", System.Data.DataRowVersion.Original, null));
			// 
			// dataSet41
			// 
			this.dataSet41.DataSetName = "DataSet4";
			this.dataSet41.Locale = new System.Globalization.CultureInfo("zh-CN");
			this.Load += new System.EventHandler(this.Page_Load);
			((System.ComponentModel.ISupportInitialize)(this.dataSet41)).EndInit();

		}
		#endregion

		private void DataGrid1_PageIndexChanged(object source, System.Web.UI.WebControls.DataGridPageChangedEventArgs e)
		{
			this.DataGrid1.CurrentPageIndex=e.NewPageIndex;
			this.bindData();
		}

		private void DataGrid1_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
		{
			if(e.Item.ItemType==ListItemType.Item||e.Item.ItemType==ListItemType.AlternatingItem)
			{
				((LinkButton)(e.Item.Cells[6].Controls[0])).Attributes.Add("onclick","return confirm('确认要删除吗?');");
				((LinkButton)(e.Item.Cells[7].Controls[0])).Attributes.Add("onclick","return confirm('确认要删除吗?');");
			}
		}

		private void DataGrid1_DeleteCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
		{
			int lineid=Convert.ToInt32(this.DataGrid1.DataKeys[e.Item.ItemIndex].ToString());
			SqlConnection con=DB.createCon();
			SqlCommand cmd=new SqlCommand("delete from line where lineid='"+lineid+"'",con);
			con.Open();
			cmd.ExecuteNonQuery();
			this.bindData();
		}

		private void DataGrid1_EditCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
		{
			DataGrid1.EditItemIndex=e.Item.ItemIndex;
			bindData();
		}

		private void LinkButton1_Click(object sender, System.EventArgs e)
		{
			Response.Redirect("addline.aspx");
		}

		private void DataGrid1_CancelCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
		{
			this.DataGrid1.EditItemIndex=-1;
			bindData();
		}

		private void DataGrid1_UpdateCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
		{
			
			SqlConnection con =DB.createCon();
			con.Open ();
			int lineid= Convert.ToInt32(this.DataGrid1.DataKeys[e.Item.ItemIndex].ToString());  
			//非只读绑定列，处于编辑状态

			string linename = ((TextBox)(e.Item.Cells[1].Controls[0])).Text;
			string lineprice= ((TextBox)(e.Item.Cells[2].Controls[0])).Text;
			string datatime= ((TextBox)(e.Item.Cells[3].Controls[0])).Text;
			string journey= ((TextBox)(e.Item.Cells[4].Controls[0])).Text;	
		    string picture= ((TextBox)(e.Item.Cells[5].Controls[0])).Text;
			//			this.Response.Write(readersex);
			string strSql = "update line set linename = '"+linename+"',lineprice='"+lineprice+"',datatime='"+datatime+"',journey='"+journey+"',picture='"+picture+"'where lineid =" +lineid ;
			//			string strSql = "update 读者信息表 set readername = '" + readername + "',readsex='"+readersex+"',readerdep='"+readerdep+"',readertype='"+readertype+"'where readerid =" + readerid;
				
			SqlCommand cmd=new SqlCommand (strSql,con);
			try
			{
				cmd.ExecuteNonQuery();
				this.Response.Write(" <script language ='javascript'> alert ('更新成功！')</script>");
				this.DataGrid1.EditItemIndex=-1;  //退出行的编辑模式
				
			}
			catch
			{
				this.Response.Write(" <script language ='javascript'> alert ('更新失败！')</script>");
			}
			this.DataGrid1.EditItemIndex=-1;
			bindData();
		}
	}
}