newskindadmin.aspx.cs

面向.net的WEB应用程序设计-----C#语言

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 NewsKindAdmin.Operate_DB;
using System.Data.SqlClient;

namespace NewsKindAdmin.Admin
{
	/// <summary>
	/// NewsKindAdmin 的摘要说明。
	/// </summary>
	public class NewsKindAdmin : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.Label Label1;
		protected System.Web.UI.WebControls.Button btnAddnews;
		protected System.Web.UI.WebControls.TextBox txtAdd;
		protected System.Web.UI.WebControls.Button btndelete;
		protected System.Web.UI.WebControls.ListBox ListBNewsKind;
		protected System.Web.UI.WebControls.Button Button1;
		protected System.Web.UI.WebControls.TextBox txtEdit;
		protected System.Web.UI.WebControls.TextBox txtdelete;
		protected System.Web.UI.WebControls.Button Button2;
		protected System.Web.UI.WebControls.Label Label2;
		protected System.Web.UI.WebControls.Button btnEdit;

		private void NewsKindDataBind()
		{
			NewsKind NK=new NewsKind();
			SqlDataReader Sdr=NK.GetNewsKindData();
			this.ListBNewsKind.DataSource=Sdr;
			this.ListBNewsKind.DataTextField="NKindName";
			this.ListBNewsKind.DataValueField="KId";
			this.ListBNewsKind.DataBind();
			Sdr.Close();
		}
	
		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.NewsKindDataBind();
			} 
			
		}

		#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.ListBNewsKind.DataBinding += new System.EventHandler(this.ListBNewsKind_DataBinding);
			this.ListBNewsKind.SelectedIndexChanged += new System.EventHandler(this.ListBNewsKind_SelectedIndexChanged);
			this.btnEdit.Command += new System.Web.UI.WebControls.CommandEventHandler(this.btnupdate_Command);
			this.btnEdit.Click += new System.EventHandler(this.btnEdit_Click);
			this.btndelete.Click += new System.EventHandler(this.btndelete_Click);
			this.Button1.Click += new System.EventHandler(this.Button1_Click);
			this.txtAdd.TextChanged += new System.EventHandler(this.TextBox1_TextChanged);
			this.btnAddnews.Click += new System.EventHandler(this.btnAddnews_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void TextBox1_TextChanged(object sender, System.EventArgs e)
		{
		
		}

		private void btnupdate_Command(object sender, System.Web.UI.WebControls.CommandEventArgs e)
		{
		
		}

		private void ListBNewsKind_SelectedIndexChanged(object sender, System.EventArgs e)
		{
			this.txtEdit.Text=this.ListBNewsKind.SelectedItem.Text;
			this.txtdelete.Text=this.ListBNewsKind.SelectedItem.Text;
		}

		private void btnAddnews_Click(object sender, System.EventArgs e)
		{
			if(this.txtAdd.Text.Trim()!="")
			{
				NewsKind NKd=new NewsKind();
				if(NKd.AddNewsKindData(this.txtAdd.Text.Trim()))
				{
					this.Response.Write("<script>alert('您的内容添加成功')</script>");
					this.NewsKindDataBind();
					this.txtAdd.Text="";
				}
				else
				{
					this.Response.Write("<script>alert('您的内容添加失败')</script>");
				}
			}
			else
			{
				this.Response.Write("<script>alert('您还没有输入内容，请输入内容后再添加')</script>");
			}
		}
		
		private void btnEdit_Click(object sender, System.EventArgs e)
		{
			if(this.txtEdit.Text.Trim()!="")
			{
				NewsKind NKd=new NewsKind();
				if(NKd.updateNewsKindData(Int32.Parse(this.ListBNewsKind.SelectedItem.Value),this.txtEdit.Text.Trim()))
				{
					this.Response.Write("<script>alert('您的内容编辑成功')</script>");
					this.NewsKindDataBind();
					this.txtdelete.Text="";
					this.txtEdit.Text="";
				}
				else
				{
					this.Response.Write("<script>alert('您的内容编辑失败')</script>");
				}
			}
			else
			{
				this.Response.Write("<script>alert('请您激活您需要的新闻类型，然后输入内容后编辑')</script>");
			}
		}

		private void ListBNewsKind_DataBinding(object sender, System.EventArgs e)
		{
			
		}

		private void btndelete_Click(object sender, System.EventArgs e)
		{
			if(this.ListBNewsKind.SelectedIndex>-1)
			{
				NewsKind Nkd=new NewsKind();
				if(Nkd.DelectNewsKindData(Int32.Parse(this.ListBNewsKind.SelectedItem.Value)))
				{
					this.Response.Write("<script>alert('您所选择的新闻类型删除成功')</script>");
					this.NewsKindDataBind();
					this.txtEdit.Text="";
					this.txtdelete.Text="";

				}
				else
				{
					this.Response.Write("<script>alert('您所选择的新闻类型删除失败')</script>");
				}
			}
			else
			{
			
				this.Response.Write("<script>alert('请您激活您需要的新闻类型，然后再删除')</script>");
			}
		}

		private void Button1_Click(object sender, System.EventArgs e)
		{
			
		}

		private void Button2_Click(object sender, System.EventArgs e)
		{
			this.Response.Redirect("NewsAdmin.aspx");
		}

		private void txtEdit_TextChanged(object sender, System.EventArgs e)
		{
		
		}
	}
}