updateresource.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.Resource
{
	/// <summary>
	/// UpdateResource 的摘要说明。
	/// </summary>
	public class UpdateResource : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.Label lblLReceiver;
		protected System.Web.UI.WebControls.TextBox Name;
		protected System.Web.UI.WebControls.RequiredFieldValidator rfSub;
		protected System.Web.UI.WebControls.Label Label6;
		protected System.Web.UI.WebControls.DropDownList TypeList;
		protected System.Web.UI.WebControls.Label Label1;
		protected System.Web.UI.WebControls.TextBox Quantity;
		protected System.Web.UI.WebControls.RegularExpressionValidator reP;
		protected System.Web.UI.WebControls.Label Label2;
		protected System.Web.UI.WebControls.TextBox Price;
		protected System.Web.UI.WebControls.RequiredFieldValidator rfNew;
		protected System.Web.UI.WebControls.RegularExpressionValidator reNew;
		protected System.Web.UI.WebControls.Label Label4;
		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 UpdateBtn;
		protected System.Web.UI.WebControls.RequiredFieldValidator rfQ;
		protected System.Web.UI.WebControls.Button ReturnBtn;
	
		private int nResourceID = -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["ResourceID"] != null)
			{
				nResourceID = Int32.Parse(Request.Params["ResourceID"].ToString());
			}
			if(!Page.IsPostBack)
			{
				///绑定控件的数据
				BindTypeData();

				if(nResourceID > -1)
				{
					BindResourceData(nResourceID);
				}
			}

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

		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 BindResourceData(int nResourceID)
		{
			///定义获取数据的类
			MisOfficeAffair.Components.Resource resource = new MisOfficeAffair.Components.Resource();
			SqlDataReader recr = resource.GetSingleResource(nResourceID);

			///从获取的数据中读取数据
			if(recr.Read())
			{				
				Name.Text    = recr["Name"].ToString();
				Quantity.Text = recr["Quantity"].ToString();
				Price.Text    = recr["Price"].ToString();
				Detail.Text   = recr["Detail"].ToString();
				Remark.Text  = recr["Remark"].ToString();

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

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

		private void UpdateBtn_Click(object sender, System.EventArgs e)
		{
			if(Page.IsValid == true)
			{
				///定义类
				MisOfficeAffair.Components.Resource resource = new MisOfficeAffair.Components.Resource();
				try
				{
					///修改操作
					resource.UpdateResource(nResourceID,Name.Text,
						Int32.Parse(TypeList.SelectedValue),
						Int32.Parse(Quantity.Text),
						Convert.ToDecimal(Price.Text),
						Detail.Text,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
	}
}