pageedit.cs

利用AJAX实现目录树

using System;
using System.Data ;
using System.Web.UI;
using System.Web.UI.WebControls;
namespace Ttyu.Web
{
	/// <summary>
	/// PageEdit 的摘要说明。
	/// </summary>
	public class PageEdit: System.Web.UI.Page
	{

		Ttyu.Web.WebPublic MyPub=new Ttyu.Web.WebPublic(); 
		Ttyu.ttyuPKData WebService1=new  Ttyu.ttyuPKData();
		
		static private int iID;
		static private bool mIsAdd=true;
		static private bool isSuccess =false;
		

		public void LoadPage(System.Web.UI.Page Page1)
		{
			if (!Page1.IsPostBack)
			{
				mIsAdd= System.Convert.ToBoolean(Request.QueryString["IsAdd"]);		
				iID  = System.Convert.ToInt16(Request.QueryString["ID"]);
				Label lblTitle=(Label)Page1.FindControl ("lblTitle");
				string Title=lblTitle.Text;
				if(!mIsAdd)
				{
					lblTitle.Text=Title.Replace(Title.Substring(0,2),"编辑");
					DataTable dt = Ttyu.AjaxData.mDt;
					DataRow dr=dt.Select("ID="+iID)[0];
					//System.Web.UI.Control Control1=(Control)this.FindControl("Page1");
					MyPub.DataRowToWebControl(Page1 ,dr);
				}
				else
				{
					lblTitle.Text=Title.Replace(Title.Substring(0,2),"增加");//"编辑年级";
				}
			}
		}		

		public void SavePage(System.Web.UI.Page Page1)
		{
			DataTable dt = Ttyu.AjaxData.mDt;
			System.Web.UI.Control Control1=Page1;//(Control)Page1.FindControl("Page1");
			int RetID;
			if(mIsAdd)
			{
				DataRow dr=dt.NewRow();	
				
				MyPub.ControlToDataRow(Control1,dr);
				isSuccess=WebService1.InsertDataRow(dr,1);
				if (isSuccess)
				{
					//插入行时ID是自动加1的，这时也加1保持一致
					if(dt.Rows.Count >0)
					{
						string TableName=dt.TableName ;
						dr["ID"]=WebService1.GetMaxID(TableName);//System.Convert.ToInt16(dt.Rows[dt.Rows.Count-1]["ID"])+1 ;
					}
					else
						dr["ID"]=1;
					dt.Rows.Add(dr);
					//WebPKService.AjaxData.mDr=dr;
					MyPub.MessageBox( "添加成功！",Page1);
					RetID=System.Convert.ToInt16(dr["ID"]);
				}
				else
				{
					MyPub.MessageBox( "添加失败！",Page1);
					RetID=-1;
				}
			}
			else
			{
				DataRow dr=dt.Select("ID="+iID)[0];				
				MyPub.ControlToDataRow(Control1,dr);
				isSuccess=WebService1.UpdateDataRow(dr,1,"ID ="+iID);
				if (isSuccess)
				{
					MyPub.MessageBox( "更新成功！",Page1);
					RetID=0;
				}
				else
				{
					MyPub.MessageBox( "添加失败！",Page1);
					RetID=-1;
				}

			}
			ClosePage(RetID);
		}	

		public void ClosePage(int RetID)
		{
			//isSuccess=
			Response.Write("<script language=javascript>window.returnValue="+RetID+";</script>");	
			isSuccess=false;//静态变量保持原值，这里应该重新还原为初值
			Response.Write("<script language=javascript>window.close()</script>");
		}	
	}
}