systembussiness.cs

来自「ASP.NET 2.0动态网站设计实例源代码,本书介绍了ASP.NET2.0的基」· CS 代码 · 共 81 行

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;

/// <summary>
/// 关于系统设置的业务层操作
/// </summary>
public class SystemBussiness
{
 BBSTableTableAdapters.SystemSettingTableAdapter sysTable;
 public SystemBussiness()
 {
  sysTable = new BBSTableTableAdapters.SystemSettingTableAdapter();
 }

 /// <summary>
 /// 初始化系统（即将所有信息删除！）
 /// </summary>
 public void Initialize()
 {
  sysTable.Initialize();
 }

 /// <summary>
 /// 根据Key获取Value
 /// </summary>
 /// <returns>若有记录则返回true；否则返回false</returns>
 public bool GetValueByKey(ref SystemEntity sys)
 {
  DataTable sysValue = sysTable.GetSystemValueByKey(sys.SystemKey);
  if (sysValue.Rows.Count==0)
   return false;
  else
  {
   sys.SystemValue = sysValue.Rows[0][0].ToString();
   return true;
  }
 }
 /// <summary>
 /// 根据Key设置Value
 /// </summary>
 /// <returns>Key和Value是否都赋值</returns>
 public bool SetValueByKey(SystemEntity sys)
 {
  if ((sys.SystemKey == null) || (sys.SystemValue == null))
   return false;
  else
  {
   sysTable.SetSystemValueByKey(sys.SystemKey, sys.SystemValue);
   return true;
  }
 }
 /// <summary>
 /// 添加Key和Value
 /// </summary>
 /// <returns>Key和Value是否都赋值</returns>
 public bool AddValueByKey(SystemEntity sys)
 {
   if ((sys.SystemKey == null) || (sys.SystemValue == null))
    return false;
   else
   {
    sysTable.AddSystemValue(sys.SystemKey, sys.SystemValue);
    return true;
   }
 }
 /// <summary>
 /// 删除所有系统设置
 /// </summary>
 public void DeleteAllSetting()
 {
  sysTable.DeleteAllSetting();
 }
}