showorder.aspx.cs

ASP。NET免费毕业论文设计：ASP[1].NET网络书店(C_,全源码提供) 采用C#语言编写

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;

namespace BookShop
{
	/// <summary>
	/// Summary description for ShowOrder.
	/// </summary>
	public class ShowOrder : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.Label lblInfo;
		protected System.Web.UI.WebControls.Label lblNo;
		protected System.Web.UI.WebControls.DataGrid Datagrid1;
		protected System.Web.UI.HtmlControls.HtmlForm Form1;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			if(!Page.IsPostBack)
			{
//				if(Object.Equals(Session["UserName"],null))
//				{
//					Response.Redirect("Error.aspx");
//				}
//				else
//				{
				ViewState["Sort"] = "";
				this.lblNo.Text = "Order ID :" + Request["orderId"].ToString();
//				}
			}

			try
			{
				Bind();
			}
			catch(Exception ex)
			{
				ShowMsg(ex.Message,1);
			}
		}

		#region Web Form Designer generated code
		override protected void OnInit(EventArgs e)
		{
			//
			// CODEGEN: This call is required by the ASP.NET Web Form Designer.
			//
			InitializeComponent();
			base.OnInit(e);
		}
		
		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{    
			this.Datagrid1.PageIndexChanged += new System.Web.UI.WebControls.DataGridPageChangedEventHandler(this.Datagrid1_PageIndexChanged);
			this.Datagrid1.SortCommand += new System.Web.UI.WebControls.DataGridSortCommandEventHandler(this.Datagrid1_SortCommand);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void Bind()
		{
			try
			{
				DataSet ds = Hugo.BookShop.Order.GetDetails(int.Parse(Request["orderId"].ToString()));
				ds.Tables[0].DefaultView.Sort = ViewState["Sort"].ToString();
				this.Datagrid1.DataSource = ds.Tables[0].DefaultView;
				this.Datagrid1.DataBind();
			}
			catch(Exception ex)
			{
				ShowMsg(ex.Message,1);
			}			
		}


		private void ShowMsg(string Message,int MessageType)
		{
			this.lblInfo.Visible = true;
			if(MessageType==0)//Mission accomplished
			{
				this.lblInfo.Text = Message;
				this.lblInfo.ForeColor = Color.Blue;
			}
			else
			{
				this.lblInfo.Text = Message;
				this.lblInfo.ForeColor = Color.Red;
			}			
		}

		private void Datagrid1_SortCommand(object source, System.Web.UI.WebControls.DataGridSortCommandEventArgs e)
		{
			if(ViewState["Sort"].ToString() == e.SortExpression)
			{
				ViewState["Sort"] += " desc";
			}
			else
			{
				ViewState["Sort"] = e.SortExpression;
			}
			Bind();
		}

		private void Datagrid1_PageIndexChanged(object source, System.Web.UI.WebControls.DataGridPageChangedEventArgs e)
		{
			this.Datagrid1.CurrentPageIndex = e.NewPageIndex;
			Bind();
		}
	}
}