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   源码介绍

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using System;
using System.Collections.Generic;
using System.Text;
using System.Data;
using System.Data.SqlClient;
using Models;

namespace DAL
{
	public static partial class RightService
	{
		#region Select
        public static IList<Right> GetAllRights()
        {
            string sqlAll = "SELECT * FROM Rights";
			return GetRightsBySql( sqlAll );
        }
		
        public static Right GetRightByRightId(int rightId)
        {
            string sql = "SELECT * FROM Rights WHERE RightId = @RightId";

            try
            {
                IDataReader reader = DBHelper.GetReader(sql, new SqlParameter("@RightId", rightId));
                if (reader.Read())
                {
                    Right right = new Right();

							if(!Convert.IsDBNull(reader["RightId"]))
								right.RightId = (int)reader["RightId"];
							if(!Convert.IsDBNull(reader["RightName"]))
								right.RightName = (string)reader["RightName"];

                    reader.Close();
                    right.BeforeReadNullRoles  = new EventHandler(right_BeforeReadNullRoles);
                    return right;
                }
                else
                {
                    reader.Close();
                    return null;
                }
            }
            catch (Exception e)
            {
                //Console.WriteLine(e.Message);
                throw e;
            }
        }

        static void right_BeforeReadNullRoles(object sender, EventArgs e)
        {
            Right right = sender as Right;
            right.Roles = RoleService.GetRolesByRightId(right.RightId);
        }

        public static IList<Right> GetRightsByRoleId(int roleId)
        {
            string sql = "select * from rights where rightId in (select RightId from RoleRight where RoleId = @RoleId)";
            SqlParameter para = new SqlParameter("@RoleId", roleId);
            return GetRightsBySql(sql, para);
        }

        private static IList<Right> GetRightsBySql( string sql, params SqlParameter[] values )
        {
            List<Right> list = new List<Right>();

			try
			{
				DataTable table = DBHelper.GetDataSet( sql, values );
				
				foreach (DataRow row in table.Rows)
				{
					Right right = new Right();
					
							if(!Convert.IsDBNull(row["RightId"]))
								right.RightId = (int)row["RightId"];

							if(!Convert.IsDBNull(row["RightName"]))
								right.RightName = (string)row["RightName"];
                   right.BeforeReadNullRoles  = new EventHandler(right_BeforeReadNullRoles);
					list.Add(right);
                   
				}
	
				return list;
			}
            catch (Exception e)
            {
                //Console.WriteLine(e.Message);
                throw e;
            }
			
        }
		#endregion select
	}
}

using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using Models;

public partial class _Default : System.Web.UI.Page 
{
    protected void Page_Load(object sender, EventArgs e)
    {

    }

    protected void DetailsView1_ItemCreated(object sender, EventArgs e)
    {
        
        User user = DetailsView1.DataItem as User;
        if (user == null) return;
        Label lblRoles = DetailsView1.FindControl("lblRoles") as Label;
        if (lblRoles != null)
        {
            lblRoles.Text = string.Empty;
            foreach (Role role in user.Roles)
            {
                lblRoles.Text  = role.RoleId.ToString()   "."   role.RoleName   "<BR>";
            }
        }
    }
    protected void DetailsView1_ItemUpdated(object sender, DetailsViewUpdatedEventArgs e)
    {
        GridView1.DataBind();
    }
    protected void DetailsView1_ItemInserted(object sender, DetailsViewInsertedEventArgs e)
    {
        GridView1.DataBind();
    }
}