level.cs

某个公司需要维持良好的客户关系

using System;
using System.Collections;
using System.Data;
using System.Data.SqlClient;
using CRM.IDAL;
using CRM.Model;

namespace CRM.BLL
{
	/// <summary>
	/// Level 的摘要说明。
	/// </summary>
	public  class Level : Common
	{
		#region ILevel 成员

		public static void Insert(LevelInfo level)
		{
			if(!Common.CheckStrIsNull(level.LevelName,level.LevelPicPath))
			{
				ILevel dal=CRM.DALFactory.Level.Create();
				dal.Insert(level);
			}
		}

		public static void Delete(string levelId)
		{
			if(!Common.CheckStrIsNull(levelId))
			{
				ILevel dal=CRM.DALFactory.Level.Create();
				dal.Delete(levelId);
			}
		}

		public static void Update(LevelInfo level)
		{
			if(!Common.CheckStrIsNull(level.LevelId,level.LevelName,level.LevelPicPath))
			{
				ILevel dal=CRM.DALFactory.Level.Create();
				dal.Update(level);
			}
		}

		public static DataTable GetAllLevel()
		{
			ILevel dal=CRM.DALFactory.Level.Create();
			return dal.GetAllLevel();
		}

		public static LevelInfo GetLevelById(string levelId)
		{
			if(Common.CheckStrIsNull(levelId))
				return null;
			ILevel dal=CRM.DALFactory.Level.Create();
			return dal.GetLevelById(levelId);
		}

		#endregion
	}
}