editteach.aspx.cs

XStuMan学生管理系统是面向中小学信息化管理的一套学生管理系统

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.IO;
using System.Xml;

namespace stuman
{
	/// <summary>
	/// editteach 的摘要说明。
	/// </summary>
	public class editteach : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.RadioButtonList Rlsel;
		protected System.Web.UI.WebControls.TextBox Edclass;
		protected System.Web.UI.WebControls.Button btnok;
		protected System.Web.UI.WebControls.Label lbltext;
		protected System.Web.UI.WebControls.DropDownList Edschooldate;
		protected System.Web.UI.WebControls.ListBox ListBox1;
		protected System.Web.UI.HtmlControls.HtmlGenericControl edit;

		private string datafile_stumain="stumain.xml";
		private string datafile_stusrc="stusrc.xml";
		protected System.Web.UI.HtmlControls.HtmlGenericControl text;
		protected System.Web.UI.WebControls.HyperLink Hlink;
		private string datafile_class="class.xml";
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			if (!this.IsPostBack)
			{
				this.edit.Visible=true;
				this.text.Visible=false;
			}
		}
		
		private void create_class(int teachid)
		{
			try
			{
				FileStream xmlfile;
				xmlfile=new FileStream(Server.MapPath("teacher.xml"),FileMode.Open,FileAccess.Read,FileShare.ReadWrite);
				DataSet ds=new DataSet();
				ds.ReadXml(xmlfile,XmlReadMode.ReadSchema);
				xmlfile.Close();
				int count=ds.Tables["Tbteacher"].Rows.Count;
				for (int i=0;i<count;i++)
				{
					if (Convert.ToInt32(ds.Tables["Tbteacher"].Rows[i]["teachid"])==teachid)
					{
						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"+"   "+"(教授班级)";
							ListItem newitem=new ListItem(s);
							this.ListBox1.Items.Add(newitem);
						}
						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"+"   "+"(管理班级)";
							ListItem newitem=new ListItem(s);
							this.ListBox1.Items.Add(newitem);
						}
						break;
					}
				}
			}
			catch (Exception ex)
			{
				this.Response.Write(ex.ToString());
			}
		}

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

		}
		#endregion

		private void btnok_Click(object sender, System.EventArgs e)
		{
			FileStream xmlfilein;
			xmlfilein=new FileStream(Server.MapPath("teacher.xml"),FileMode.Open,FileAccess.Read,FileShare.ReadWrite);
			DataSet ds=new DataSet();
			ds.ReadXml(xmlfilein,XmlReadMode.ReadSchema);
			xmlfilein.Close();
			int teachid;
			if (this.Request.QueryString.Count>=1)
			{
				teachid=Convert.ToInt32(this.Request.QueryString["teachid"]);
			}
			else
			{
				teachid=0;
			}
			int count=ds.Tables["Tbteacher"].Rows.Count;
			for (int i=0;i<count;i++)
			{
				if (Convert.ToInt32(ds.Tables["Tbteacher"].Rows[i]["teachid"])==teachid)
				{
					DataRow newrow;
					if (this.Rlsel.SelectedValue=="teach")
					{
						newrow=ds.Tables["class"].NewRow();
						newrow["schooldate"]=new DateTime(Convert.ToInt32(this.Edschooldate.SelectedValue),9,1);
						newrow["class"]=Convert.ToInt32(this.Edclass.Text);
						ds.Tables["class"].Rows.Add(newrow);
						newrow.SetParentRow(ds.Tables["Tbteacher"].Rows[i]);
					}
					else
					{
						newrow=ds.Tables["manclass"].NewRow();
						newrow["schooldate"]=new DateTime(Convert.ToInt32(this.Edschooldate.SelectedValue),9,1);
						newrow["class"]=Convert.ToInt32(this.Edclass.Text);
						ds.Tables["manclass"].Rows.Add(newrow);
						newrow.SetParentRow(ds.Tables["Tbteacher"].Rows[i]);
					}
					break;
				}
			}
			FileStream xmlfileout;
			xmlfileout=new FileStream(Server.MapPath("teacher.xml"),FileMode.Open,FileAccess.Write,FileShare.ReadWrite);
			ds.WriteXml(xmlfileout,XmlWriteMode.WriteSchema);
			xmlfileout.Close();
			this.create_class(teachid);
			this.Hlink.NavigateUrl="editteach.aspx"+"?teachid="+Convert.ToString(teachid);
			this.edit.Visible=false;
			this.text.Visible=true;
		}
	}
}