c# 简单的通用基础字典

 using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using Alif.Alif_WSAPI;
 using System.Data;
 using System.Windows.Forms;

 namespace Alif.AlifForm.CommClass
 {
     /// <summary>
     ///
     /// </summary>
     public class PagingCtrl
     {
         /// <summary>
         /// 页大小
         /// </summary>
         private int _PageSize = ;

         /// <summary>
         /// 页索引
         /// </summary>
         private int _PageIndex = ;

         /// <summary>
         /// 记录数
         /// </summary>
         private int _RecodeCount = ;

         /// <summary>
         /// 页数
         /// </summary>
         private int _PageCount = ;

         /// <summary>
         /// 回调函数获取要查询数据的XML数据参数
         /// </summary>
         /// <param name="PageIndex"></param>
         /// <param name="PageSize"></param>
         /// <returns></returns>
         public delegate string LoadXML(int PageIndex, int PageSize);

         /// <summary>
         /// 在读取数据后发生的事件，用于通知客户
         /// </summary>
         public delegate void afterDataLoadDelegate();

         /// <summary>
         /// 在读取数据前发生的事件，提示客户等待
         /// </summary>
         public delegate void beforeDataLoadDelegate();

         /// <summary>
         /// 在读取数据发生错误时发生，用于错误处理
         /// </summary>
         public delegate void errorDataLoadDelegate(string ErrMSG);

         /// <summary>
         /// 首页按钮
         /// </summary>
         System.Windows.Forms.Button _btFirst;

         /// <summary>
         /// 前页按钮
         /// </summary>
         System.Windows.Forms.Button _btPreview;

         /// <summary>
         /// 下一页按钮
         /// </summary>
         System.Windows.Forms.Button _btNext;

         /// <summary>
         /// 末页按钮
         /// </summary>
         System.Windows.Forms.Button _btLast;

         /// <summary>
         /// 刷新按钮
         /// </summary>
         System.Windows.Forms.Button _btreflesh;

         /// <summary>
         /// 记录数提示Label
         /// </summary>
         System.Windows.Forms.Label _msg;

         /// <summary>
         /// 每页记录数combo
         /// </summary>
         System.Windows.Forms.ComboBox _comPageSize;

         /// <summary>
         /// 当前页索引combo
         /// </summary>
         System.Windows.Forms.ComboBox _comToPageIndex;

         /// <summary>
         /// 显示数据的datagridview
         /// </summary>
         C1.Win.C1FlexGrid.C1FlexGrid _dv;

         LoadXML _loadxml;
         afterDataLoadDelegate _afterDataLoad;
         beforeDataLoadDelegate _beferDataLoad;
         errorDataLoadDelegate _errorDataLoad;

         public string _webseiviceComm = "";

         /// <summary>
         /// 构造函数
         /// </summary>
         /// <param name="btFirst">首页</param>
         /// <param name="btPreview">上一页</param>
         /// <param name="btNext">下一页</param>
         /// <param name="btLast">末页</param>
         /// <param name="btreflesh">刷新</param>
         /// <param name="msg">共x页,记录数：x</param>
         /// <param name="PageSize">页大小</param>
         /// <param name="PageIndex">页索引</param>
         /// <param name="dv">显示数据的datagridview</param>
         /// <param name="webseiviceComm">命令编号</param>
         /// <param name="loadxmlCallBack">参数</param>
         /// <param name="beferfireCallBack">加载之前处理的回调函数</param>
         /// <param name="afterfireCallBack">加载之后处理的回调函数</param>
         /// <param name="errorfireCallBack">错误处理的回调函数</param>
         public PagingCtrl(System.Windows.Forms.Button btFirst,
                                     System.Windows.Forms.Button btPreview,
                                     System.Windows.Forms.Button btNext,
                                     System.Windows.Forms.Button btLast,
                                     System.Windows.Forms.Button btreflesh,
                                     System.Windows.Forms.Label msg,
                                     System.Windows.Forms.ComboBox PageSize,
                                     System.Windows.Forms.ComboBox PageIndex,
                                     C1.Win.C1FlexGrid.C1FlexGrid dv,
                                     string webseiviceComm,
                                     LoadXML loadxmlCallBack,
                                     beforeDataLoadDelegate beferfireCallBack,
                                     afterDataLoadDelegate afterfireCallBack,
                                     errorDataLoadDelegate errorfireCallBack)
         {
             _btFirst = btFirst;
             _btPreview = btPreview;
             _btNext = btNext;
             _btLast = btLast;
             _msg = msg;
             _dv = (C1.Win.C1FlexGrid.C1FlexGrid)dv;
             _loadxml = loadxmlCallBack;
             _webseiviceComm = webseiviceComm;
             _comPageSize = PageSize;
             _comToPageIndex = PageIndex;
             _btreflesh = btreflesh;
             _beferDataLoad = beferfireCallBack;
             _afterDataLoad = afterfireCallBack;
             _errorDataLoad = errorfireCallBack;

             if (_btFirst != null)
             {
                 _btFirst.Click += new System.EventHandler(this.btFirst_Click);
             }
             if (_btPreview != null)
             {
                 _btPreview.Click += new System.EventHandler(this.btUp_Click);
             }
             if (_btNext != null)
             {
                 _btNext.Click += new System.EventHandler(this.btNext_Click);
             }
             if (_btLast != null)
             {
                 _btLast.Click += new System.EventHandler(this.btLast_Click);
             }

             if (_comPageSize != null)
             {
                 _comPageSize.SelectedIndexChanged += new System.EventHandler(comPageSize_SelectedIndexChanged);
             }
             if (_comToPageIndex != null)
             {
                 _comToPageIndex.SelectedIndexChanged += new EventHandler(comToPageIndex_SelectedIndexChanged);
                 _comToPageIndex.Tag = "";
             }
             if (_btreflesh != null)
             {
                 _btreflesh.Click += new System.EventHandler(this.btReflesh_Click);
             }
         }

         /// <summary>
         /// 调用webservice 方法获取数据
         /// </summary>
         /// <param name="webservicecomm"></param>
         /// <param name="Xmlcommand"></param>
         public void LoadData(string webservicecomm, string Xmlcommand)
         {
             if (_comToPageIndex != null)
             {
                 //防止程序重入
                 if (_comToPageIndex.Tag == null || _comToPageIndex.Tag.ToString() == "")
                 {
                     return;
                 }
                 _comToPageIndex.Tag = "";
             }

             //出发beforefire事件
             if (_beferDataLoad != null)
             {
                 _beferDataLoad();
             }

             System.Data.DataSet ds;

             try
             {
                 ds = LoadWebServiceData(webservicecomm, Xmlcommand);

                 if (!ds.Tables.Contains("table0"))
                 {
                     if(_dv.DataSource!=null)
                     {
                         ((DataTable)_dv.DataSource).Clear();
                     }
                 }
                 else
                 {

                     _dv.DataSource = ds.Tables["table0"];

                 }

                 this._PageSize = Int32.Parse(ds.Tables["TabScript"].Rows[]["PageSize"].ToString());
                 this._PageIndex = Int32.Parse(ds.Tables["TabScript"].Rows[]["PageIndex"].ToString());
                 this._RecodeCount = Int32.Parse(ds.Tables["TabScript"].Rows[]["Rows"].ToString());
                 this._PageCount = this._RecodeCount / this._PageSize + ;

                 if (_comToPageIndex != null)
                 {
                     _comToPageIndex.Items.Clear();
                     for (int i = ; i <= this._PageCount; ++i)
                     {
                         _comToPageIndex.Items.Add(i.ToString());

                     }
                     _comToPageIndex.Text = this._PageIndex.ToString();
                 }

                 if (_msg != null)
                 {
                     _msg.Text = "当前第" + this._PageIndex + "页," + "共" + this._PageCount.ToString() + "页,记录数：" + this._RecodeCount.ToString();
                 }

                 if (_btFirst != null)
                 {
                     _btFirst.Enabled = this._PageIndex <=  ? false : true;
                 }
                 if (_btPreview != null)
                 {
                     _btPreview.Enabled = _btFirst.Enabled;
                 }
                 if (_btLast != null)
                 {
                     _btLast.Enabled = this._PageIndex >= this._PageCount ? false : true;
                 }

                 if (_btLast != null)
                 {
                     _btLast.Enabled = _btLast.Enabled;
                 }
             }
             catch (Exception ex)
             {
                 //发生webservice错误
                 if (_errorDataLoad != null)
                 {
                     _errorDataLoad("连接WebService服务器失败(001)！\n\r错误原因：" + ex.Message);
                 }
                 if (_comToPageIndex != null)
                 {
                     _comToPageIndex.Tag = "";
                 }
             }

             if (_afterDataLoad != null)
             {
                 _afterDataLoad();
             }

             if (_comToPageIndex != null)
             {
                 _comToPageIndex.Tag = "";
             }
         }

         /// <summary>
         ///
         /// </summary>
         /// <param name="XmlComm"></param>
         public void LoadData(string XmlComm)
         {
             LoadData(_webseiviceComm, XmlComm);

         }

         /// <summary>
         ///
         /// </summary>
         public void LoadData()
         {
             LoadData(_webseiviceComm, _loadxml(this._PageIndex, this._PageSize));
         }

         /// <summary>
         /// 加载web服务数据
         /// </summary>
         /// <param name="cmdID">命令编号</param>
         /// <param name="para">参数</param>
         /// <returns>数据集</returns>
         private DataSet LoadWebServiceData(string cmdID, string para)
         {
             int tt;
             string errmsg = "";
             System.Data.DataSet ds = new DataSet();
             try
             {
                 tt = WebService.GetInstance(CommonInfo.LoginInfo.userParameters).Execute("DataServices", cmdID, "", para, out errmsg, out  ds);
             }
             catch (Exception ex)
             {
                 //发生webservice错误
                 throw new Exception("连接WebService服务器失败(001)！\n\r错误原因：" + ex.Message);
             }

             if (tt == )
             {
                 //获取数据成功
                 return ds;
             }
             else
             {
                 //获取keystring错误
                 throw new Exception("服务器返回失败信息(002)！\n\r错误原因：" + errmsg);
             }
         }

         /// <summary>
         /// 刷新
         /// </summary>
         /// <param name="sender"></param>
         /// <param name="e"></param>
         private void btReflesh_Click(object sender, EventArgs e)
         {
             LoadData();
         }

         /// <summary>
         /// 下一页
         /// </summary>
         public void NextPage()
         {
             this._btNext.PerformClick();
         }

         /// <summary>
         /// 下一页
         /// </summary>
         /// <param name="sender"></param>
         /// <param name="e"></param>
         private void btNext_Click(object sender, EventArgs e)
         {
             _PageIndex++;
             LoadData();
         }

         /// <summary>
         /// 上一页
         /// </summary>
         public void UpPage()
         {
             this._btPreview.PerformClick();
         }

         /// <summary>
         /// 上一页
         /// </summary>
         /// <param name="sender"></param>
         /// <param name="e"></param>
         private void btUp_Click(object sender, EventArgs e)
         {
             --_PageIndex;
             LoadData();
         }

         /// <summary>
         /// 首页
         /// </summary>
         /// <param name="sender"></param>
         /// <param name="e"></param>
         private void btFirst_Click(object sender, EventArgs e)
         {
             _PageIndex = ;
             LoadData();
         }

         /// <summary>
         /// 首页
         /// </summary>
         public void FirstPage()
         {
             this._btFirst.PerformClick();
         }

         /// <summary>
         /// 最后一页
         /// </summary>
         /// <param name="sender"></param>
         /// <param name="e"></param>
         private void btLast_Click(object sender, EventArgs e)
         {
             _PageIndex = _PageCount;
             LoadData();
         }

         /// <summary>
         /// 最后一页
         /// </summary>
         public void LastPage()
         {
             this._btLast.PerformClick();
         }

         /// <summary>
         /// combobox选择改变页号
         /// </summary>
         /// <param name="sender"></param>
         /// <param name="e"></param>
         private void comPageSize_SelectedIndexChanged(object sender, EventArgs e)
         {
             this._PageSize = Int32.Parse(_comPageSize.Text);
             LoadData();
         }

         /// <summary>
         /// 翻到第几页
         /// </summary>
         /// <param name="sender"></param>
         /// <param name="e"></param>
         private void comToPageIndex_SelectedIndexChanged(object sender, EventArgs e)
         {
             this._PageIndex = Int32.Parse(_comToPageIndex.Text);
             LoadData();
         }
     }
 }