admin_manageboard.aspx.cs

网上自动答疑系统(C#)

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 dayi
{
	/// <summary>
	/// admin_manageBoard 的摘要说明。
	/// </summary>
	public class admin_manageBoard : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.TextBox txtBoardName;
		protected System.Web.UI.WebControls.Button btnModify;
		protected System.Web.UI.WebControls.Button btnDelete;
		protected System.Web.UI.WebControls.DropDownList listBoardList;
		protected System.Web.UI.WebControls.Label lblMsg;
	
		dayi.controlDatabase cd=new controlDatabase();

		private void bindToList()
		{
			//显示所有栏目
			try
			{
				this.listBoardList.Items.Clear();
				this.listBoardList.Items.Add(new ListItem("根栏目","0#0#0"));
				cd.bindToDropDownList(0,this.listBoardList);
			}
			catch(Exception)
			{
			}
		}
		private void Page_Load(object sender, System.EventArgs e)
		{
			if(!this.IsPostBack)
			{
				if(Session["userType"].ToString()!="admin")
				{
					//确认身份
					Response.Redirect("err.aspx?err=没有权限");
				}
				//显示所有栏目
				this.bindToList();
			}
		}

		#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.btnModify.Click += new System.EventHandler(this.btnModify_Click);
			this.btnDelete.Click += new System.EventHandler(this.btnDelete_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void btnModify_Click(object sender, System.EventArgs e)
		{
			//修改栏目名
			string boardName=this.txtBoardName.Text.Trim().Replace("'","");
			string boardID=this.listBoardList.SelectedValue.Split(new char[]{'#'})[0].ToString();
			string sql="update [board] set [boardName]='"+boardName+"' where [boardID]="+boardID;
			try
			{
				if(boardName!="")
				{
					if(boardID!="0")
					{
						cd.updateDatabase(sql);
				
						this.bindToList();
					}
					else
					{
						this.lblMsg.Text="不能更改根栏目名";
					}
				}
				else
				{
					this.lblMsg.Text="请输入栏目名";
				}
			}
			catch(Exception)
			{
				Response.Redirect("err.aspx?err=出现错误");
			}
		}

		private void btnDelete_Click(object sender, System.EventArgs e)
		{
			//删除栏目
			try
			{
				int boardID=Convert.ToInt32(this.listBoardList.SelectedValue.Split(new char[]{'#'})[0].ToString());
				cd.deleteBoard(boardID);
				this.bindToList();
			}
			catch(Exception)
			{
				Response.Redirect("err.aspx?err=出现错误,你可能执行了非法操作");
			}
		}
	}
}