employeemanage.aspx.cs

这是一个管理系统的源码

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;

namespace Service
{
	/// <summary>
	/// Summary description for EmployeeManage.
	/// </summary>
	public partial class EmployeeManage : System.Web.UI.Page
	{

		public String sOperation = "";
		public String sLinkName  = "";
	
		protected void Page_Load(object sender, System.EventArgs e)
		{
			if(Session["UserID"] == null)
			{
				Response.Redirect("~/Default.aspx");
			}
			else
			{
				String sUserRoleName = UserDB.GetUserLoginRole(Int32.Parse(Session["UserID"].ToString()));
				if(sUserRoleName.IndexOf("Admin") == -1)
				{
					Response.Redirect("~/Default.aspx");
				}
			}

			if(!Page.IsPostBack)
			{
				BindEmployeeData();
			}

			deleteBtn.Attributes.Add("onclick","return confirm('你确定要删除所选择的问题吗?');");
			
			if(Request.Params["LinkID"] != null)
			{
				GetLinkName(Request.Params["LinkID"].ToString());
			}
		}

		private void GetLinkName(String sLinkID)
		{
			String[] aName = new String[2];
			aName = GlobalVarables.GetLinkName(sLinkID);

			if(GlobalVarables.aLinkName.Count > 0)
			{
				sOperation = aName[0].ToString();
				sLinkName  = aName[1].ToString();
			}
		}

		private void BindEmployeeData()
		{			
			EmployeeList.Items.Clear();

			EmployeeDB employee = new EmployeeDB();
			SqlDataReader rece = employee.GetEmployees();

			EmployeeList.DataSource = rece;
			EmployeeList.DataTextField = "EmployeeName";
			EmployeeList.DataValueField = "ID";
			EmployeeList.DataBind();

			rece.Close();
		}

		#region Web Form Designer generated code
		override protected void OnInit(EventArgs e)
		{
			//
			// CODEGEN: This call is required by the ASP.NET Web Form Designer.
			//
			InitializeComponent();
			base.OnInit(e);
		}
		
		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{    
			this.deleteBtn.Click += new System.Web.UI.ImageClickEventHandler(this.EditBDeletetn_Click);

		}
		#endregion

		private void EditBDeletetn_Click(object sender, System.Web.UI.ImageClickEventArgs e)
		{
			String commandName = ((ImageButton)sender).CommandName;

			if(EmployeeList.SelectedIndex > -1)
			{
				switch(commandName)
				{		
					case "delete":
					{
						DeleteEmployee();

						break;
					}
					default:
					{
						break;
					}
				}
				if(commandName == "delete")
				{				
					//重新绑定EmployeeList的数据
					BindEmployeeData();
				}
			}
			else
			{
				Response.Write("<script>alert(\"请选择你的数据项！\")</script>");
			}			
		}

		private void DeleteEmployee()
		{
			EmployeeDB employee = new EmployeeDB();

			try
			{
				employee.DeleteEmployee(Int32.Parse(EmployeeList.SelectedValue));
			}
			catch(Exception ex)
			{
				string sRawURL = Request.RawUrl;

				if(sRawURL.IndexOf("?") > -1)
				{
					sRawURL = sRawURL.Substring(0,sRawURL.IndexOf("?"));
				}				
				Response.Redirect("~/ManageSystem/ErrorPage.aspx?ErrorUrl=" + sRawURL + "&ErrorMessage=" + ex.Message.Replace("\n"," "));
			}
		}

		protected void AddEmployee_Click(object sender, System.EventArgs e)
		{	
			if(EmployeeName.Text.Trim().Length > 0)
			{
				EmployeeDB employee = new EmployeeDB();

				if(IsExistEqualName(EmployeeList,EmployeeName.Text.Trim()) == false)
				{
					try
					{
						employee.AddEmployee(EmployeeName.Text.Trim());
					}
					catch(Exception ex)
					{
						string sRawURL = Request.RawUrl;

						if(sRawURL.IndexOf("?") > -1)
						{
							sRawURL = sRawURL.Substring(0,sRawURL.IndexOf("?"));
						}				
						Response.Redirect("~/ManageSystem/ErrorPage.aspx?ErrorUrl=" + sRawURL + "&ErrorMessage=" + ex.Message.Replace("\n"," "));
					}

					//增加成功后，重新绑定数据和清空名称输入框
					EmployeeName.Text = "";
					BindEmployeeData();	
				}			
				else
				{
					Response.Write("<script>alert(\"添加数据项已经存在，请重新输入！\");</script>");
				}
			}
			else
			{
				Response.Write("<script>alert(\"员工的姓名不能为空！\")</script>");
			}
		}

		private bool IsExistEqualName(ListBox listBox,String addText)
		{
			bool isExist = false;
			if(listBox.Items.Count > 0)
			{
				for(int i = 0; i < listBox.Items.Count; i++)
				{
					if(listBox.Items[i].Text == addText)
					{
						isExist = true;
						break;
					}
				}
			}
			return(isExist);
		}
	}
}