query.aspx.cs

是一个教材管理系统

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.Xml;
using System.Xml.XPath;

namespace BookManager
{
	/// <summary>
	/// Query 的摘要说明。
	/// </summary>

	public class Query : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.DropDownList dpSelectType;
		protected System.Web.UI.WebControls.TextBox tbSelectKey;
		protected System.Web.UI.WebControls.Button btSumit;
		protected System.Web.UI.WebControls.Button btReset;
		protected System.Web.UI.WebControls.RequiredFieldValidator rvfSelectKey;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			// 在此处放置用户代码以初始化页面
			if(!IsPostBack)
			{
				this.XmlBindSelect();
			}
		}

		#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.btSumit.Click += new System.EventHandler(this.btSumit_Click);
			this.btReset.Click += new System.EventHandler(this.btReset_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void btSumit_Click(object sender, System.EventArgs e)
		{
			this.SelectType();
		}


		public void SelectType()
		{
			TranVar.Var=tbSelectKey.Text.Trim().ToString();
			switch(dpSelectType.SelectedIndex)
			{
				case 0: {  TranVar.Type="Name"; break;}
				case 1: {  TranVar.Type="Author";break;}
				case 2: {  TranVar.Type="Publish";break;}
			}
			Response.Redirect("Query_de.aspx");
		}

		public void XmlBindSelect()
		{
			XmlDocument doc=new XmlDocument();
			doc.Load(Server.MapPath(@".\db\QueryType.xml"));
			XmlNodeList elemlist=doc.GetElementsByTagName("Type");
			dpSelectType.Items.Clear();
			for(int i=0;i<elemlist.Count;i++)
			{
				dpSelectType.Items.Add(elemlist[i].InnerXml);
			}
		}

		private void btReset_Click(object sender, System.EventArgs e)
		{
			tbSelectKey.Text="";
		}

	}

	public class TranVar
	{
		public static string Var;
		public static string Type;
	}

}