admin_check.aspx.cs

这个是用vc编写的新闻管理系统

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.Data.SqlClient ;
using System.Configuration;
namespace WebNews.admin
{
	/// <summary>
	/// admin_check 的摘要说明。
	/// </summary>
	public class admin_check : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.Label myLabel;
		protected System.Web.UI.WebControls.TextBox keyword;
		protected System.Web.UI.WebControls.DropDownList search;
		protected System.Web.UI.WebControls.LinkButton LinkButton1;
		protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator1;
		protected System.Web.UI.WebControls.Label PageList;
		protected System.Web.UI.WebControls.DataGrid MyDataGrid;
		protected System.Web.UI.WebControls.Label lblCurrentIndex;
		//protected HenryFan.WebControls.DisPage DisPage1;
		protected System.Web.UI.WebControls.LinkButton btnFirst;
		protected System.Web.UI.WebControls.LinkButton LinkButton2;
		protected System.Web.UI.WebControls.LinkButton Linkbutton3;
		protected System.Web.UI.WebControls.LinkButton Linkbutton4;
		protected System.Web.UI.WebControls.Label lblPageCount;
	
		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)
			{
				string username;
				username=(string)Session["username"];
				if(username.Trim()!="")
				{
					getArticle();
				}
				else Page.Visible=false;
			}
		}
		
		
		private void getArticle()						//取得Article数据
		{
			try
			{	 
				string con=ConfigurationSettings.AppSettings["dsn"];
				SqlConnection  conn = new SqlConnection(con);//连接字符串
				conn.Open();
	　　   　　 
				SqlDataAdapter myCommand = new SqlDataAdapter();　　//创建SqlDataAdapter 类
			　	myCommand.SelectCommand=new SqlCommand("sp_selArticleAllNck",conn);
				myCommand.SelectCommand.CommandType=CommandType.StoredProcedure ;
				DataSet ds=new DataSet();  //建立并填充数据集
				myCommand.Fill(ds,"Article");
		　　　
			MyDataGrid.DataSource=ds;			 //绑定
			MyDataGrid.DataBind();
			lblCurrentIndex.Text="第"+((Int32)MyDataGrid.CurrentPageIndex+1)+"页";
			lblPageCount.Text="/共"+MyDataGrid.PageCount+"页";
			
				conn.Close();
			}
			catch(SqlException e)
			{
				Response.Write("Exception in Main: " + e.Message);	//出错处理
			}
		
		}
		
		private void  passArticle(object a)							  //通过审核
		{
			string con=ConfigurationSettings.AppSettings["dsn"];
			SqlConnection conn=new SqlConnection(con);			//建立连接
			conn.Open();
			SqlCommand delAdmin=new SqlCommand("sp_passArticle",conn);			//建立命令
			delAdmin.CommandType=CommandType.StoredProcedure;
			SqlParameter id=delAdmin.Parameters.Add("@articleid",SqlDbType.BigInt);
			id.Value=a;		   //获得参数的值
			
			int r=delAdmin.ExecuteNonQuery();	  //删除
			if(r>0)
			{
				myLabel.Text="通过审核！";
				conn.Close();
				MyDataGrid.EditItemIndex = -1;
			//	if(MyDataGrid.PageCount/MyDataGrid.PageSize)
				
				if(MyDataGrid.CurrentPageIndex>0)
				{

					MyDataGrid.CurrentPageIndex= MyDataGrid.CurrentPageIndex-1;
				}
				getArticle();

			}
			else
			{
				myLabel.Text="审核错误！";
				conn.Close();
				MyDataGrid.EditItemIndex = -1;	
				getArticle();

			}

}
		public string show(object a,object b,object c)					  //设置权限
		{
			string  dr=" <img src=../pic/canedit.gif align=absMiddle><a href=admin_articleEdit.aspx?articleid="+b+">"+a+"</a>"	;
			string de="<img src=../pic/cantedit.gif align=absMiddle>"+a; 
			string g=(string)Session["userclass"];
			string d=(string)Session["classname"];
			string f=(string)c;
			if(g.Trim()=="系统管理员")	
			{
				return dr;
			}
			else 
			{
				if((int)Session["chknews"]==1&& d.Trim()==f.Trim())
					return dr;
				else return de;
			}

		}
		
		private void searchTitle()						  //搜索标题
		{
			try
			{	 
				string con=ConfigurationSettings.AppSettings["dsn"];
				SqlConnection  conn = new SqlConnection(con);//连接字符串
				conn.Open();
	　　   　　 
				SqlDataAdapter myCommand = new SqlDataAdapter();　　//创建SqlDataAdapter 类
			　	myCommand.SelectCommand=new SqlCommand("sp_searchNckArticleByTitle",conn);
				myCommand.SelectCommand.CommandType=CommandType.StoredProcedure ;
				SqlParameter title=myCommand.SelectCommand.Parameters.Add("@title",SqlDbType.NVarChar ,500);
				title.Value=Request["keyword"] ;

				DataSet ds=new DataSet();  //建立并填充数据集
				myCommand.Fill(ds,"Articl");
		　　　　
				MyDataGrid.DataSource=ds;			 //绑定
				MyDataGrid.DataBind();
				

				conn.Close();
			}
			catch(SqlException e)
			{
				Response.Write("Exception in Main: " + e.Message);	//出错处理
			}
		
		}

		private void searchContent()							//搜索内容
		{
			try
			{	 
				string con=ConfigurationSettings.AppSettings["dsn"];
				SqlConnection  conn = new SqlConnection(con);//连接字符串
				conn.Open();
	　　   　　 
				SqlDataAdapter myCommand = new SqlDataAdapter();　　//创建SqlDataAdapter 类
			　	myCommand.SelectCommand=new SqlCommand("sp_searchNckArticleByContent",conn);
				myCommand.SelectCommand.CommandType=CommandType.StoredProcedure ;
				SqlParameter content=myCommand.SelectCommand.Parameters.Add("@content",SqlDbType.NText );
				content.Value=Request["keyword"].Trim() ;
				
				DataSet ds=new DataSet();  //建立并填充数据集
				myCommand.Fill(ds,"Article");
		　　　　
				MyDataGrid.DataSource=ds;			 //绑定
				MyDataGrid.DataBind();
			

				conn.Close();
			}
			catch(SqlException e)
			{
				Response.Write("Exception in Main: " + e.Message);	//出错处理
			}
		
		}

		private void delarticle(object a)								//删除审核新闻
		{
			string con=ConfigurationSettings.AppSettings["dsn"];
			SqlConnection conn=new SqlConnection(con);			//建立连接
			conn.Open();
			SqlCommand delAdmin=new SqlCommand("sp_delArticle",conn);			//建立命令
			delAdmin.CommandType=CommandType.StoredProcedure;

			SqlParameter id=delAdmin.Parameters.Add("@articleid",SqlDbType.BigInt);
			id.Value=a ;		   //获得参数的值
                        
			int r=delAdmin.ExecuteNonQuery();	  //删除
			if(r>0)
			{
				myLabel.Text="删除成功！";
				conn.Close();
				//	MyDataGrid.EditItemIndex = -1;
				int d=MyDataGrid.PageCount % MyDataGrid.PageSize;
				if(MyDataGrid.CurrentPageIndex>0)
				{

					MyDataGrid.CurrentPageIndex= MyDataGrid.CurrentPageIndex-1;
			    }
				getArticle();

			}
			else
			{
				myLabel.Text="删除错误！";
				conn.Close();
				MyDataGrid.EditItemIndex = -1;	
				getArticle();

			}
			}
		private void addnum(string dr)				   //增加发表文章数
		{
			string username=(string)Session["username"];
			  
			string conn=ConfigurationSettings.AppSettings["dsn"];	//取得DSN字符
			
			SqlConnection con = new SqlConnection(conn);//连接字符串
			con.Open();
			
			SqlCommand cmd=new SqlCommand("sp_addNum",con);			//建立命令
			cmd.CommandType=CommandType.StoredProcedure;
			
			SqlParameter name=cmd.Parameters.Add("@username",SqlDbType.Char,200);	 //调用并设置存储过程参数
			name.Value=dr.Trim();
			int r=cmd.ExecuteNonQuery();						 //执行命令

		}

		public	void PagerButtonClick(Object sender, EventArgs e)
		{
			//获得LinkButton的参数值
			string arg = ((LinkButton)sender).CommandArgument;

			switch(arg)
			{
				case ("next"):
					if (MyDataGrid.CurrentPageIndex < (MyDataGrid.PageCount - 1))
						MyDataGrid.CurrentPageIndex ++;
					break;
				case ("prev"):
					if (MyDataGrid.CurrentPageIndex > 0)
						MyDataGrid.CurrentPageIndex --;
					break;
				case ("last"):
					MyDataGrid.CurrentPageIndex = (MyDataGrid.PageCount - 1);
					break;
				case("first"):
					MyDataGrid.CurrentPageIndex =0;
					break;
			}
			getArticle();
		
		}

		private void addClassNum(string d)					 //增加分类文章数
		{
			string username=(string)Session["username"];
			  
			string conn=ConfigurationSettings.AppSettings["dsn"];	//取得DSN字符
			
			SqlConnection con = new SqlConnection(conn);//连接字符串
			con.Open();
			
			SqlCommand cmd=new SqlCommand("sp_addClassNum",con);			//建立命令
			cmd.CommandType=CommandType.StoredProcedure;
			
			SqlParameter name=cmd.Parameters.Add("@className",SqlDbType.Char,200);	 //调用并设置存储过程参数
			name.Value=d.Trim();
			int r=cmd.ExecuteNonQuery();			
		
		}
		#region Web Form Designer generated code
		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.LinkButton1.Click += new System.EventHandler(this.LinkButton1_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion
		public void MyDataGrid_SelectedIndexChanged(object sender,System.EventArgs e)
		{
			        
			getArticle();
		}



		public void MyDataGrid_ItemCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
		{
			string sd=(string)e.Item.Cells[3].Text;	   //取得管理员名
			string clum=(string)e.Item.Cells[1].Text;	  //取得分类名
			if(e.CommandName=="pass")
			{
					string a=(string)Session["userclass"];
				if(a.Trim()=="系统管理员" || (int)Session["chknews"]==1)
				{
					object d=this.MyDataGrid.DataKeys[(Int32)e.Item.ItemIndex] ;
					passArticle(d);								   //通过审核
					addnum(sd);   //增加管理员发表文章数
					addClassNum(clum.Trim()) ;
				}
				else  myLabel.Text="你无权操作";
				

			}

				}

		


	public void MyDataGrid_DeleteCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
		{
			object b=this.MyDataGrid.DataKeys[e.Item.ItemIndex];
			string c=(string)Session["userclass"];
			string d=(string)Session["classname"];
			string g=(string)e.Item.Cells[1].Text;
			
			string f=(string)Session["classname"];
			if(c.Trim()=="系统管理员")
			{		
				delarticle(b);
			  
			}
			else
			{
				if((int)Session["chknews"]==1 && g.Trim()==f.Trim())
				{
					delarticle(b);

				}
				else myLabel.Text="你无权删除此新闻";
			}
		}

		private void LinkButton1_Click(object sender, System.EventArgs e)
		{
			if(Page.IsValid)
			{
				if(search.SelectedIndex==0)
				{
					searchTitle();
				}
				else searchContent();
			}

		}

		
	}
}