dispresultform.aspx.cs

专业实例开发

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 BookersClient
{
	/// <summary>
	/// Summary description for WebForm3.
	/// </summary>
	public class WebForm3 : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.Label lblInfo;
		protected System.Web.UI.WebControls.HyperLink HyperLink1;
		protected System.Web.UI.WebControls.DataGrid DataGrid1;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			DTService.Service1 srv1 = new DTService.Service1();
			DataSet ds1;
			
			string strCategory;
			string strParam;
			strCategory = Request.QueryString.Get(0).ToString();
			strParam = Request.QueryString.Get(1).ToString();
			
			switch(strCategory)
			{
				case "ALL":
					ds1 = srv1.SearchALL();
					if(ds1.Tables["Details"].Rows.Count != 0)
					{
						DataView source= new DataView(ds1.Tables["Details"]);
						DataGrid1.DataSource=source;
						DataGrid1.DataBind();		
						lblInfo.Text = "Your search produced following results...";
					}
					else
					{
						DataGrid1.Visible = false;
						lblInfo.Text = "No matching records found!!";
						
					}
					break;
				case "Title":
					
					ds1=srv1.SrchTitle (strParam);
					if(ds1.Tables["Details"].Rows.Count !=0)
					{
						DataView source= new DataView(ds1.Tables["Details"]);
						DataGrid1.DataSource=source;
						DataGrid1.DataBind();		
						lblInfo.Text = "Your search produced following results...";
					}
					else
					{
						DataGrid1.Visible = false;
						lblInfo.Text = "No matching records found!!";
						
					}
					break;
				case "ISBN Number":
					ds1=srv1.SrchISBN (strParam);
					if(ds1.Tables["Details"].Rows.Count !=0)
					{
						DataView source= new DataView(ds1.Tables["Details"]);
						DataGrid1.DataSource=source;
						DataGrid1.DataBind();		
						lblInfo.Text = "Your search produced following results...";
					}
					else
					{
						DataGrid1.Visible = false;
						lblInfo.Text = "No matching records found!!";
					}
					break;
				case "Author":
					ds1=srv1.SrchAuthor (strParam);
					if(ds1.Tables["Details"].Rows.Count !=0)
					{
						DataView source= new DataView(ds1.Tables["Details"]);
						DataGrid1.DataSource=source;
						DataGrid1.DataBind();		
						lblInfo.Text = "Your search produced following results...";
					}
					else
					{
						DataGrid1.Visible = false;
						lblInfo.Text = "No matching records found!!";
					}
					break;
				case "Category":
					ds1=srv1.SrchCategory(strParam);
					if(ds1.Tables["Details"].Rows.Count !=0)
					{
						DataView source= new DataView(ds1.Tables["Details"]);
						DataGrid1.DataSource=source;
						DataGrid1.DataBind();		
						lblInfo.Text = "Your search produced following results...";
					}
					else
					{
						DataGrid1.Visible = false;
						lblInfo.Text = "No matching records found!!";
					}
					break;
				default:
					break;
				}
			
		}

		#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.ItemCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.DataGrid1_ItemCommand);
			this.DataGrid1.SelectedIndexChanged += new System.EventHandler(this.DataGrid1_SelectedIndexChanged);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void DataGrid1_ItemCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
		{
			if(e.CommandName == "Ord")
			{
				string strISBN;
				string strTitle;
				string strAuthor;
				strISBN = e.Item.Cells[1].Text ;
				strTitle = e.Item.Cells[2].Text ;
				strAuthor = e.Item.Cells[3].Text;

				Response.Redirect ("OrdersForm.aspx?ISBN=" + strISBN + " & Title=" + strTitle + " & Author=" + strAuthor);
			}
		}

		private void DataGrid1_SelectedIndexChanged(object sender, System.EventArgs e)
		{
		
		}
	}
}