addarea.aspx.cs

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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 MisResource.Components;
using System.Data.SqlClient;

namespace MisResource.DesktopModules.Area
{
	/// <summary>
	/// AddArea 的摘要说明。
	/// </summary>
	public class AddArea : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.Label lblLReceiver;
		protected System.Web.UI.WebControls.RequiredFieldValidator rfN;
		protected System.Web.UI.WebControls.Label Label2;
		protected System.Web.UI.WebControls.Label Label4;
		protected System.Web.UI.WebControls.TextBox AreaName;
		protected System.Web.UI.WebControls.DropDownList AreaTypeList;
		protected System.Web.UI.WebControls.DropDownList ParentAreaList;
		protected System.Web.UI.WebControls.Button AddBtn;
		protected System.Web.UI.WebControls.Button ReturnBtn;
	
		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>");
			}			
			// 在此处放置用户代码以初始化页面
			if(!Page.IsPostBack)
			{
				///绑定控件的数据
				BindAreaData();
				if(ParentAreaList.Items.Count > 0)
				{
					ParentAreaList.SelectedIndex = 0;
				}
			}

			///设置按钮的可用性
			AddBtn.Enabled = (ParentAreaList.Items.Count <= 0) ? false : true;
		}

		private void BindAreaData()
		{
			///定义获取数据的类
			MisResource.Components.Area area = new MisResource.Components.Area();
			SqlDataReader reca = area.GetAreas();

			///设定控件的数据源
			ParentAreaList.DataSource = reca;
			
			///设定控件的Text属性和Value属性
			ParentAreaList.DataTextField = "AreaName";
			ParentAreaList.DataValueField = "AreaID";

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

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

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

		}
		#endregion

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

		private void AddBtn_Click(object sender, System.EventArgs e)
		{
			if(Page.IsValid == true)
			{
				///定义类
				MisResource.Components.Area area = new MisResource.Components.Area();
				try
				{
					///添加操作
					area.AddArea(AreaName.Text.Trim(),
						Int32.Parse(AreaTypeList.SelectedValue),
						Int32.Parse(ParentAreaList.SelectedValue));
					
					///显示操作结果信息
					Response.Write ("<script>window.alert('" + MisSystem.OPERATIONADDSUCCESSMESSAGE + "')</script>");
				}
				catch(Exception ex)
				{			
					///显示添加操作中的失败、错误信息
					Response.Redirect("~/DesktopModules/ErrorPage.aspx?ErrorUrl="
						+ MisSystem.RedirectErrorUrl(Request.RawUrl)
						+ "&ErrorMessage=" + ex.Message.Replace("\n"," "));
				}
			}
		}
	}
}