manage.aspx.cs

这是我制作的一个小论坛源码··能够简单实现发表帖子··管理帖子·后台管理等功能

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;

namespace bbs
{
	/// <summary>
	/// Manage 的摘要说明。
	/// </summary>
	public class Manage : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.Panel Panel1;
		protected System.Web.UI.WebControls.LinkButton LinkButton1;
		protected System.Web.UI.WebControls.Panel Panel2;
		protected System.Web.UI.WebControls.DataGrid DataGrid2;
		protected System.Web.UI.WebControls.LinkButton LinkButton2;
		protected System.Web.UI.WebControls.DataGrid DataGrid1;
	
		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)
			{
				if(Session["UserName"]==null ||Session["UserName"].ToString()=="")
				{
					Response.Write("<script>alert('恭喜：***资料修改成功！')</script>");
					Response.Redirect("Error.aspx");
				
				}
				this.MyDataBind();
				this.Panel2.Visible=false;
			}
		}
		private void MyDataBind()
		{
			string sqlstr="select * from users";
			string sqlstr2="select * from tbBbs";
			da.da d=new da.da();
			DataSet ds=d.Select(sqlstr,"users");
			DataSet ds2=d.Select(sqlstr2,"tbBbs");
			this.DataGrid2.DataSource=ds2;
			this.DataGrid2.DataBind();
			this.DataGrid1.DataSource=ds;
			this.DataGrid1.DataBind();
		}
		protected string GetFace(object face)
		{			
			if(face!= null && face.ToString() != "")
			{
				return @"<img src="""+face.ToString() + @""" width=""80"" height=""80"" border=""0""/>";
			}
			else
			{
				return "&nbsp;";
			}
		}
		protected string getstr(object title)
		{
			int len;
			if(title==null ||title.ToString()=="")
			{
				return "";
			}
			else
			{
				if(title.ToString().Length<6)
				{
					len=title.ToString().Length;
				}
				else
				{
					len=6;
				}
				return @"<a title="""+title.ToString()+@""">"+title.ToString().Substring(0,len)+@"</a>";
			}
		}


		#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.LinkButton1.Click += new System.EventHandler(this.LinkButton1_Click);
			this.DataGrid1.PageIndexChanged += new System.Web.UI.WebControls.DataGridPageChangedEventHandler(this.DataGrid1_PageIndexChanged);
			this.DataGrid1.CancelCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.DataGrid1_CancelCommand);
			this.DataGrid1.EditCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.DataGrid1_EditCommand);
			this.DataGrid1.UpdateCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.DataGrid1_UpdateCommand);
			this.DataGrid1.DeleteCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.DataGrid1_DeleteCommand);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void DataGrid1_EditCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
		{
			this.DataGrid1.EditItemIndex = e.Item.ItemIndex;
			this.MyDataBind();
		}

		private void DataGrid1_CancelCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
		{
			this.DataGrid1.EditItemIndex=-1;
			this.MyDataBind();
		}

		private void DataGrid1_DeleteCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
		{
			String sqlstr="delete users where iUserID ='"+this.DataGrid1.DataKeys[e.Item.ItemIndex]+"'";
			da.da d=new da.da();
			d.command(sqlstr);
			this.MyDataBind();
		}

		private void DataGrid1_UpdateCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
		{
			String sLevels =((TextBox)e.Item.FindControl("TextBox_sLevels")).Text;
			String  iBbsCount= ((TextBox)e.Item.FindControl("TextBox_iBbsCount")).Text;
			String iPowerLevels=((TextBox)e.Item.FindControl("TextBox_iPowerLevels")).Text;
			String sFace=((TextBox)e.Item.FindControl("TextBox_sFace")).Text;
			String sqlstr="update users set sGrade='"+sLevels+"',iBbscount='"+iBbsCount+"',iPowerLevels='"+iPowerLevels+"' ,face='"+sFace+"'where iUserID="+this.DataGrid1.DataKeys[e.Item.ItemIndex].ToString();
			da.da d=new da.da();
			d.command(sqlstr);
			this.DataGrid1.EditItemIndex=-1;
			this.MyDataBind();
		}

		private void LinkButton1_Click(object sender, System.EventArgs e)
		{
			this.Panel1.Visible=false;
			this.Panel2.Visible=true;
		}

		private void DataGrid2_CancelCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
		{
			this.DataGrid2.EditItemIndex=-1;
			this.MyDataBind();
		}

		private void DataGrid2_EditCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
		{
			this.DataGrid2.EditItemIndex = e.Item.ItemIndex;
			this.MyDataBind();
		}

		private void DataGrid2_DeleteCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
		{
			String sqlstr="delete tbBbs where iBbsID ='"+this.DataGrid2.DataKeys[e.Item.ItemIndex]+"'";
			da.da d=new da.da();
			d.command(sqlstr);
			this.MyDataBind();
		}

		private void DataGrid2_UpdateCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
		{
			String sBbsTitle =((TextBox)e.Item.FindControl("TextBox_sBbsHead")).Text;
			String  sBbsContent= ((TextBox)e.Item.FindControl("TextBox_sBbsContent")).Text;
			String iBbsClicks=((TextBox)e.Item.FindControl("TextBox_iBbsClicks")).Text;
			String semail=((TextBox)e.Item.FindControl("TextBox_semail")).Text;
			String sqlstr="update tbBbs set semail='"+semail+"', sBbsHead='"+sBbsTitle+"',sBbsContent='"+sBbsContent+"',iBbsClicks='"+iBbsClicks+"' where iBbsID="+this.DataGrid2.DataKeys[e.Item.ItemIndex].ToString();
			da.da d=new da.da();
			d.command(sqlstr);
			this.DataGrid2.EditItemIndex=-1;
			this.MyDataBind();
		}

		private void DataGrid1_PageIndexChanged(object source, System.Web.UI.WebControls.DataGridPageChangedEventArgs e)
		{
			
			this.DataGrid1.CurrentPageIndex=e.NewPageIndex;
			this.MyDataBind();
		}

		private void DataGrid2_PageIndexChanged(object source, System.Web.UI.WebControls.DataGridPageChangedEventArgs e)
		{
			
			this.DataGrid2.CurrentPageIndex=e.NewPageIndex;
			this.MyDataBind();
		}

		private void LinkButton2_Click(object sender, System.EventArgs e)
		{
			this.Panel1.Visible=true;
			this.Panel2.Visible=false;
		}
	}
}