authoritymanage.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;
//该源码下载自www.51aspx.com(５1asｐｘ．ｃｏｍ)
namespace Service
{
	/// <summary>
	/// Summary description for AuthorityManage.
	/// </summary>
	public partial class AuthorityManage : 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)
			{
				BindUserData();

				BindRoleData();
				
				BindUserRoleData(Int32.Parse(UserList.SelectedValue));				
			}
			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 BindUserData()
		{
			UserList.Items.Clear();

			UserDB user = new UserDB();
			SqlDataReader recu = user.GetUsers();

			UserList.DataSource = recu;
			UserList.DataTextField = "UserName";
			UserList.DataValueField = "ID";
			UserList.DataBind();

			recu.Close();
		}

		private void BindRoleData()
		{
			RoleList.Items.Clear();

			RoleDB role = new RoleDB();
			SqlDataReader recr = role.GetRoles();

			RoleList.DataSource = recr;
			RoleList.DataTextField = "RoleName";
			RoleList.DataValueField = "ID";
			RoleList.DataBind();

			recr.Close();

			if(RoleList.Items.Count > 0)
			{
				ApplyOwner.Enabled = true;
			}
			else
			{
				ApplyOwner.Enabled = false;
			}
		}

		private void BindUserRoleData(int nUserID)
		{
			if(UserList.Items.Count > 0)
			{
				UserDB user = new UserDB();
				SqlDataReader recu = user.GetSingleUser(nUserID);
             
				while(recu.Read())
				{
					RoleName.Text = recu["RoleName"].ToString();
				}

				recu.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()
		{    

		}
		#endregion

		protected void UserList_SelectedIndexChanged(object sender, System.EventArgs e)
		{
			BindUserRoleData(Int32.Parse(UserList.SelectedValue));
		}

		protected void ApplyOwner_Click(object sender, System.EventArgs e)
		{
			if(UserList.SelectedIndex > -1 && RoleList.SelectedIndex > -1)
			{
				UserDB user = new UserDB();

				try
				{
					user.UpdateUserRole(Int32.Parse(UserList.SelectedValue),Int32.Parse(RoleList.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"," "));
				}

				BindUserRoleData(Int32.Parse(UserList.SelectedValue));

				ClearingSelected(RoleList);
			}
			else
			{
				Response.Write("<script>alert(\"请选择你的数据项！\")</script>");
			}
		}

		private void ClearingSelected(ListBox listBox)
		{
			for(int i = 0; i < listBox.Items.Count; i++)
			{
				listBox.Items[i].Selected = false;
			}
		}
	}
}