updatesigntrain.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.SignTrain
{
	/// <summary>
	/// UpdateSignTrain 的摘要说明。
	/// </summary>
	public class UpdateSignTrain : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.Label Label6;
		protected System.Web.UI.WebControls.DropDownList TrainList;
		protected System.Web.UI.WebControls.Label Label1;
		protected System.Web.UI.WebControls.TextBox SignDate;
		protected System.Web.UI.WebControls.RequiredFieldValidator rfS;
		protected System.Web.UI.WebControls.RegularExpressionValidator reS;
		protected System.Web.UI.WebControls.Label Label4;
		protected System.Web.UI.WebControls.DropDownList EmployeeList;
		protected System.Web.UI.WebControls.Label Label5;
		protected System.Web.UI.WebControls.DropDownList StatusList;
		protected System.Web.UI.WebControls.Label Label3;
		protected System.Web.UI.WebControls.TextBox Remark;
		protected System.Web.UI.WebControls.Button UpdateBtn;
		protected System.Web.UI.WebControls.Button ReturnBtn;
	
		private int nSignTrainID = -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["SignTrainID"] != null)
			{
				nSignTrainID = Int32.Parse(Request.Params["SignTrainID"].ToString());
			}
			if(!Page.IsPostBack)
			{
				///绑定控件的数据
				BindTrainData();
				BindEmployeeData();
				if(nSignTrainID > -1)
				{
					BindSignTrainData(nSignTrainID);
				}
			}

			///设置添加按钮的可用性
			UpdateBtn.Enabled = (TrainList.Items.Count <= 0
				|| EmployeeList.Items.Count <= 0 || nSignTrainID <= -1) ? false : true;			
		}

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

			///设定控件的数据源
			TrainList.DataSource = rect;
			
			///设定控件的Text属性和Value属性
			TrainList.DataTextField = "Subject";
			TrainList.DataValueField = "TrainID";

			///绑定控件的数据
			TrainList.DataBind();

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

		private void BindEmployeeData()
		{
			///定义获取数据的类
			MisOfficeAffair.Components.Employee employ = new MisOfficeAffair.Components.Employee();
			SqlDataReader rece = employ.GetEmployees();

			///设定控件的数据源
			EmployeeList.DataSource = rece;
			
			///设定控件的Text属性和Value属性
			EmployeeList.DataTextField = "EmployName";
			EmployeeList.DataValueField = "EmployeeID";

			///绑定控件的数据
			EmployeeList.DataBind();

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

		private void BindSignTrainData(int nSignTrainID)
		{
			///定义获取数据的类
			MisOfficeAffair.Components.SignTrain sign = new MisOfficeAffair.Components.SignTrain();
			SqlDataReader recs = sign.GetSingleSignTrain(nSignTrainID);

			///从获取的数据中读取数据
			if(recs.Read())
			{		
				SignDate.Text = Convert.ToDateTime(recs["SignDate"].ToString()).ToShortDateString();
				Remark.Text    = recs["Remark"].ToString();

				///设置列表控件的选择值
				MisSystem.SetListBoxItem(TrainList,recs["TrainID"].ToString());
				MisSystem.SetListBoxItem(StatusList,recs["Status"].ToString());
				MisSystem.SetListBoxItem(EmployeeList,recs["EmployeeID"].ToString());				
			}
			///关闭数据读取器和数据库的连接
			recs.Close();
		}

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

		private void UpdateBtn_Click(object sender, System.EventArgs e)
		{
			if(Page.IsValid == true)
			{
				///定义类
				MisOfficeAffair.Components.SignTrain sign = new MisOfficeAffair.Components.SignTrain();
				try
				{
					///修改操作
					sign.UpdateSignTrain(nSignTrainID,
						Int32.Parse(TrainList.SelectedValue),
						Convert.ToDateTime(SignDate.Text.Trim()),
						Int32.Parse(EmployeeList.SelectedValue),						
						Int32.Parse(StatusList.SelectedValue),						
						Remark.Text);
					
					///显示操作结果信息
					Response.Write ("<script>window.alert('" + MisSystem.OPERATIONUPDATESUCCESSMESSAGE + "')</script>");
				}
				catch(Exception ex)
				{			
					///显示修改操作中的失败、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.UpdateBtn.Click += new System.EventHandler(this.UpdateBtn_Click);
			this.ReturnBtn.Click += new System.EventHandler(this.ReturnBtn_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion
	}
}