news.aspx.cs

个人博客。。毕业设计````用来做毕业设计`

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 SolutionChangTing.Domain.News;
using FreeTextBoxControls;

namespace SolutionChangTing.WebRoot.Admin.News
{
	/// <summary>
	/// News 的摘要说明。
	/// </summary>
	public class News : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.LinkButton AddButton;
		protected System.Web.UI.WebControls.Table AddTable;
		protected System.Web.UI.WebControls.DataGrid EditGrid;
		protected System.Web.UI.WebControls.TextBox NewTitle;
		protected System.Web.UI.WebControls.DropDownList NewCategory;
        protected FreeTextBoxControls.FreeTextBox NewContent;
		
		/*
		 * 页面初始化方法
		 */
		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(!Page.IsPostBack)
			{
				this.EditGridBind();
				this.ColumnBind();
			}
		}
		
		/*
		 *页面主数据绑定 
		 */
		private void EditGridBind()
		{
			NewsDAO newsDAO=new NewsDAO();
			this.EditGrid.DataSource=newsDAO.QueryNews().Tables["News"].DefaultView;
			this.EditGrid.DataBind();
		}

		private void ColumnBind(){
			CategoryDAO categoryDAO=new CategoryDAO();
			this.NewCategory.DataSource=categoryDAO.QueryCategories().Tables["Category"].DefaultView;
			this.NewCategory.DataBind();
		}
        
		/*
		 *页面开始编辑 
		*/
		public void Edit(object Sender,DataGridCommandEventArgs e)
		{
			this.EditGrid.EditItemIndex=(int)e.Item.ItemIndex;
			this.EditGridBind();
		}
		private void DBGrid1_PageIndexChanged(object source, System.Web.UI.WebControls.DataGridPageChangedEventArgs e)
		{
			this.EditGrid.CurrentPageIndex=e.NewPageIndex;
			this.EditGridBind();
		}
		/*
		 *添加表格显示
		*/
		public void Add(object sender, System.EventArgs e)
		{
			AddTable.Visible=true;
		}
		/*
		 *修改保存
		*/
		public void EditSave(object sender, DataGridCommandEventArgs e){
			int NewsID=(int)this.EditGrid.DataKeys[e.Item.ItemIndex];
			string Title=((TextBox)e.Item.FindControl("Title")).Text;
			string Content=((TextBox)e.Item.FindControl("Content")).Text;
			NewsDAO newsDAO=new NewsDAO();
			newsDAO.Update(NewsID,Title,Content);
			this.EditGrid.EditItemIndex=-1;
			this.EditGridBind();	
		}
		/*
		 *修改取消
		*/
		public void EditCancel(object sender, DataGridCommandEventArgs e)
		{
			this.EditGrid.EditItemIndex=-1;
			this.EditGridBind();
		}
		/*
		 *添加保存
		*/
		public void AddSave(object sender, System.EventArgs e){
			NewsDAO newsDAO=new NewsDAO();
			int CategoryID=Convert.ToInt16(NewCategory.SelectedValue);
			string Title=NewTitle.Text;
			string Content=NewContent.Text;
			newsDAO.Add(Title,Content,CategoryID);
			this.AddTable.Visible=false;
			this.EditGridBind();	
		}
		/*
		 *添加取消
		*/
		public void AddCancel(object sender, System.EventArgs e)
		{
			this.AddTable.Visible=false;
		}
		/*
		 *删除
		*/
		public void Delete(object sender, DataGridCommandEventArgs e)
		{
			int NewsID=(int)this.EditGrid.DataKeys[e.Item.ItemIndex];
			NewsDAO newsDAO=new NewsDAO();
			newsDAO.Delete(NewsID);
			this.EditGridBind();
		}
		#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
	}
}