viewteach.aspx.cs

学生管理系统网络版原程序 应用.net开发技术 适合中小学的日常管理

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.IO;
using System.Xml;

namespace stuman
{
	/// <summary>
	/// viewteach 的摘要说明。
	/// </summary>
	public class viewteach : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.DataGrid DataGrid1;
		
		private string datafile_teach="teacher.xml";

		private void create_data()
		{
			try
			{
				FileStream xmlfile;
				xmlfile=new FileStream(Server.MapPath(datafile_teach),FileMode.Open,FileAccess.Read,FileShare.ReadWrite);
				DataSet ds=new DataSet();
				ds.ReadXml(xmlfile,XmlReadMode.ReadSchema);
				xmlfile.Close();
				DataTable dt=new DataTable();
				dt.Columns.Add("teachid",typeof(int));
				dt.Columns.Add("name",typeof(string));
				dt.Columns.Add("class",typeof(string));
				dt.Columns.Add("manclass",typeof(string));
				dt.Columns.Add("url",typeof(string));
				int count=ds.Tables["Tbteacher"].Rows.Count;
				for (int i=0;i<count;i++)
				{
					DataRow newrow=dt.NewRow();
					string sclass="";
					string smanclass="";
					DataRelation rel=ds.Tables["Tbteacher"].ChildRelations[0];
					DataRow[] rows=ds.Tables["Tbteacher"].Rows[i].GetChildRows(rel);
					int c=rows.GetLength(0);
					for (int j=0;j<c;j++)
					{
						string s=Convert.ToString(Convert.ToDateTime(rows[j]["schooldate"]).Year)+"级"
							+Convert.ToString(rows[j]["class"])+"班";
						sclass+=s;
					}
					rel=ds.Tables["Tbteacher"].ChildRelations[1];
					rows=ds.Tables["Tbteacher"].Rows[i].GetChildRows(rel);
					c=rows.GetLength(0);
					for (int j=0;j<c;j++)
					{
						string s=Convert.ToString(Convert.ToDateTime(rows[j]["schooldate"]).Year)+"级"
							+Convert.ToString(rows[j]["class"])+"班";
						smanclass+=s;
					}
					newrow["teachid"]=Convert.ToInt32(ds.Tables["Tbteacher"].Rows[i]["teachid"]);
					newrow["name"]=Convert.ToString(ds.Tables["Tbteacher"].Rows[i]["name"]);
					newrow["class"]=sclass;
					newrow["manclass"]=smanclass;
					newrow["url"]="editteach.aspx"+"?teachid="+Convert.ToString(ds.Tables["Tbteacher"].Rows[i]["teachid"]);
					dt.Rows.Add(newrow);
				}
				this.DataGrid1.DataSource=dt.DefaultView;
				this.DataGrid1.DataBind();
			}
			catch (Exception ex)
			{
				this.Response.Write(ex.ToString());
			}
		}
					
		private void Page_Load(object sender, System.EventArgs e)
		{
			this.create_data();
		}

		#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.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion
	}
}