admin_managedepartment.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_manageDepartment 的摘要说明。
	/// </summary>
	public class admin_manageDepartment : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.DropDownList listDepartment;
		protected System.Web.UI.WebControls.TextBox txtDepartment;
		protected System.Web.UI.WebControls.Button btnAddDepartment;
		protected System.Web.UI.WebControls.Button btnDeleteDepartment;
		protected System.Web.UI.WebControls.Label lblMsg;
	
		dayi.controlDatabase cd=new controlDatabase();

		private void showDepartment()
		{
			//添加系别
			try
			{
				this.listDepartment.Items.Clear();
				string sql="select * from [department]";
				DataTable dataTable=cd.getDataTable(sql);
				foreach(DataRow row in dataTable.Rows)
				{
					this.listDepartment.Items.Add(new ListItem(row["depName"].ToString().Trim(),row["id"].ToString().Trim()));
				}
			}
			catch(Exception)
			{
				Response.Redirect("err.aspx?err=显示系别时出错");
			}
		}

		private void checkEnabled()
		{
			if(this.listDepartment.Items.Count<1)
			{
				this.btnDeleteDepartment.Enabled=false;
			}
			else
			{
				this.btnDeleteDepartment.Enabled=true;
			}
		}
		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");
				}
				//添加系别
				this.showDepartment();
				this.checkEnabled();
			}
		}

		#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.btnAddDepartment.Click += new System.EventHandler(this.btnAddDepartment_Click);
			this.btnDeleteDepartment.Click += new System.EventHandler(this.btnDeleteDepartment_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void btnAddDepartment_Click(object sender, System.EventArgs e)
		{
			//添加系别
			try
			{
				string depName=this.txtDepartment.Text.Trim();
				if(depName!="")
				{
					string sql="insert into [department](depName) values('"+depName+"')";
					cd.updateDatabase(sql);
					this.lblMsg.Text="添加成功";
					this.txtDepartment.Text="";
					this.showDepartment();
					this.checkEnabled();
				}
				else
				{
					this.lblMsg.Text="请输入系部名";
				}
			}
			catch(Exception)
			{
				Response.Redirect("err.aspx?err=添加系部时出错");
			}
		}

		private void btnDeleteDepartment_Click(object sender, System.EventArgs e)
		{
			//删除系部
			try
			{
				string depID=this.listDepartment.SelectedValue;
				string sql="delete from [department] where id="+depID;
				cd.updateDatabase(sql);
				this.lblMsg.Text="删除成功";
				this.showDepartment();
				this.checkEnabled();
			}
			catch(Exception)
			{
				Response.Redirect("err.aspx?err=删除系部时出错");
			}
		}
	}
}