deletetrain.aspx.cs

办公事务管理系统

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;
using MisOfficeAffair.Components;

namespace MisOfficeAffair.DesktopModules.Train
{
	/// <summary>
	/// DeleteTrain 的摘要说明。
	/// </summary>
	public class DeleteTrain : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.Label lblLReceiver;
		protected System.Web.UI.WebControls.TextBox Subject;
		protected System.Web.UI.WebControls.Label Label11;
		protected System.Web.UI.WebControls.DropDownList TypeList;
		protected System.Web.UI.WebControls.Label Label12;
		protected System.Web.UI.WebControls.TextBox Place;
		protected System.Web.UI.WebControls.Label Label1;
		protected System.Web.UI.WebControls.TextBox AttendStartDate;
		protected System.Web.UI.WebControls.Label Label2;
		protected System.Web.UI.WebControls.TextBox AttendEndDate;
		protected System.Web.UI.WebControls.Label Label6;
		protected System.Web.UI.WebControls.TextBox StartDate;
		protected System.Web.UI.WebControls.Label Label7;
		protected System.Web.UI.WebControls.TextBox EndDate;
		protected System.Web.UI.WebControls.Label Label4;
		protected System.Web.UI.WebControls.TextBox Cost;
		protected System.Web.UI.WebControls.Label Label5;
		protected System.Web.UI.WebControls.TextBox Detail;
		protected System.Web.UI.WebControls.Label Label3;
		protected System.Web.UI.WebControls.TextBox Remark;
		protected System.Web.UI.WebControls.Button DeleteBtn;
		protected System.Web.UI.WebControls.Button ReturnBtn;
	
		private int nTrainID = -1;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			///判断用户是否登陆
			if(Session["UserID"] == null)
			{
				Response.Redirect("~/Default.aspx");
			}
			///判断用户是否是超级管理员
			if(Components.User.IsAuthorityAdmin(Session["UserID"].ToString()) >= Components.User.USERTYPENORMAL)
			{
				Response.Write("<script>alert(\"你没有权限，请与管理员联系！\")</script>");
				Response.Write("<script>history.back();</script>");
			}			
			if(Request.Params["TrainID"] != null)
			{
				nTrainID = Int32.Parse(Request.Params["TrainID"].ToString());
			}
			if(!Page.IsPostBack)
			{
				///绑定控件的数据
				BindTypeData();

				if(nTrainID > -1)
				{
					BindTrainData(nTrainID);
				}
			}

			///设置添加按钮的可用性
			DeleteBtn.Enabled = (TypeList.Items.Count <= 0 || nTrainID <= -1) ? false : true;	
			///添加删除确认对话框
			DeleteBtn.Attributes.Add("onclick","return confirm('" + MisSystem.OPERATIONDELETEMESSAGE + "');");			
		}

		private void BindTypeData()
		{
			///定义获取数据的类
			MisOfficeAffair.Components.Type type = new MisOfficeAffair.Components.Type();
			SqlDataReader rect = type.GetTypes();

			///设定控件的数据源
			TypeList.DataSource = rect;
			
			///设定控件的Text属性和Value属性
			TypeList.DataTextField = "Name";
			TypeList.DataValueField = "TypeID";

			///绑定控件的数据
			TypeList.DataBind();

			///关闭数据读取器和数据库的连接
			rect.Close();
		}

		private void BindTrainData(int nTrainID)
		{
			///定义获取数据的类
			MisOfficeAffair.Components.Train train = new MisOfficeAffair.Components.Train();
			SqlDataReader rect = train.GetSingleTrain(nTrainID);

			///从获取的数据中读取数据
			if(rect.Read())
			{	
				Subject.Text         = rect["Subject"].ToString();
				Place.Text           = rect["Place"].ToString();
				AttendStartDate.Text = Convert.ToDateTime(rect["AttendStartDate"].ToString()).ToShortDateString();
				AttendEndDate.Text   = Convert.ToDateTime(rect["AttendEndDate"].ToString()).ToShortDateString();
				StartDate.Text       = Convert.ToDateTime(rect["StartDate"].ToString()).ToShortDateString();
				EndDate.Text         = Convert.ToDateTime(rect["EndDate"].ToString()).ToShortDateString();
				Cost.Text            = rect["Cost"].ToString();
				Detail.Text          = rect["Detail"].ToString();
				Remark.Text          = rect["Remark"].ToString();

				///设置列表控件的数据
				MisSystem.SetListBoxItem(TypeList,rect["TypeID"].ToString());				
			}
			///关闭数据读取器和数据库的连接
			rect.Close();
		}

		private void ReturnBtn_Click(object sender, System.EventArgs e)
		{
			///跳转到管理页面
			Response.Redirect("~/DesktopModules/Train/TrainManage.aspx");
		}

		private void DeleteBtn_Click(object sender, System.EventArgs e)
		{
			///定义类
			MisOfficeAffair.Components.Train train = new MisOfficeAffair.Components.Train();
			try
			{
				///删除操作
				train.DeleteTrain(nTrainID);
					
				///显示操作结果信息
				Response.Write ("<script>window.alert('" + MisSystem.OPERATIONDELETESUCCESSMESSAGE + "')</script>");
			}
			catch(Exception ex)
			{			
				///显示删除操作中的失败、错误信息
				Response.Redirect("~/DesktopModules/ErrorPage.aspx?ErrorUrl="
					+ MisSystem.RedirectErrorUrl(Request.RawUrl)
					+ "&ErrorMessage=" + ex.Message.Replace("\n"," "));
			}
		}

		#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.DeleteBtn.Click += new System.EventHandler(this.DeleteBtn_Click);
			this.ReturnBtn.Click += new System.EventHandler(this.ReturnBtn_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion
	}
}