Csharp/C#教程：C#简单的通用基础字典实现方法分享

本文实例讲述了C#简单的通用基础字典实现方法。分享给大家供大家参考。具体实现方法如下：

代码如下:
usingSystem;
usingSystem.Collections.Generic;
usingSystem.Linq;
usingSystem.Text;
usingAlif.Alif_WSAPI;
usingSystem.Data;
usingSystem.Windows.Forms;

namespaceAlif.AlifForm.CommClass
{
   ///<summary>
   ///
   ///</summary>
   publicclassPagingCtrl
   {
       ///<summary>
       ///页大小
       ///</summary>
       privateint_PageSize=50;

       ///<summary>
       ///页索引
       ///</summary>
       privateint_PageIndex=1;

       ///<summary>
       ///记录数
       ///</summary>
       privateint_RecodeCount=0;

       ///<summary>
       ///页数
       ///</summary>
       privateint_PageCount=0;

       ///<summary>
       ///回调函数获取要查询数据的XML数据参数
       ///</summary>
       ///<paramname=”PageIndex”></param>
       ///<paramname=”PageSize”></param>
       ///<returns></returns>
       publicdelegatestringLoadXML(intPageIndex,intPageSize);

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

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

       ///<summary>
       ///在读取数据发生错误时发生，用于错误处理
       ///</summary>
       publicdelegatevoiderrorDataLoadDelegate(stringErrMSG);

       ///<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;

       publicstring_webseiviceComm=””;

       ///<summary>
       ///构造函数
       ///</summary>
       ///<paramname=”btFirst”>首页</param>
       ///<paramname=”btPreview”>上一页</param>
       ///<paramname=”btNext”>下一页</param>
       ///<paramname=”btLast”>末页</param>
       ///<paramname=”btreflesh”>刷新</param>
       ///<paramname=”msg”>共x页,记录数：x</param>
       ///<paramname=”PageSize”>页大小</param>
       ///<paramname=”PageIndex”>页索引</param>
       ///<paramname=”dv”>显示数据的datagridview</param>
       ///<paramname=”webseiviceComm”>命令编号</param>
       ///<paramname=”loadxmlCallBack”>参数</param>
       ///<paramname=”beferfireCallBack”>加载之前处理的回调函数</param>
       ///<paramname=”afterfireCallBack”>加载之后处理的回调函数</param>
       ///<paramname=”errorfireCallBack”>错误处理的回调函数</param>
       publicPagingCtrl(System.Windows.Forms.ButtonbtFirst,
                                   System.Windows.Forms.ButtonbtPreview,
                                   System.Windows.Forms.ButtonbtNext,
                                   System.Windows.Forms.ButtonbtLast,
                                   System.Windows.Forms.Buttonbtreflesh,
                                   System.Windows.Forms.Labelmsg,
                                   System.Windows.Forms.ComboBoxPageSize,
                                   System.Windows.Forms.ComboBoxPageIndex,
                                   C1.Win.C1FlexGrid.C1FlexGriddv,
                                   stringwebseiviceComm,
                                   LoadXMLloadxmlCallBack,
                                   beforeDataLoadDelegatebeferfireCallBack,
                                   afterDataLoadDelegateafterfireCallBack,
                                   errorDataLoadDelegateerrorfireCallBack)
       {
           _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+=newSystem.EventHandler(this.btFirst_Click);
           }
           if(_btPreview!=null)
           {
               _btPreview.Click+=newSystem.EventHandler(this.btUp_Click);
           }
           if(_btNext!=null)
           {
               _btNext.Click+=newSystem.EventHandler(this.btNext_Click);
           }
           if(_btLast!=null)
           {
               _btLast.Click+=newSystem.EventHandler(this.btLast_Click);
           }

           if(_comPageSize!=null)
           {
               _comPageSize.SelectedIndexChanged+=newSystem.EventHandler(comPageSize_SelectedIndexChanged);
           }
           if(_comToPageIndex!=null)
           {
               _comToPageIndex.SelectedIndexChanged+=newEventHandler(comToPageIndex_SelectedIndexChanged);
               _comToPageIndex.Tag=””;
           }
           if(_btreflesh!=null)
           {
               _btreflesh.Click+=newSystem.EventHandler(this.btReflesh_Click);
           }
       }

       ///<summary>
       ///调用webservice方法获取数据
       ///</summary>
       ///<paramname=”webservicecomm”></param>
       ///<paramname=”Xmlcommand”></param>
       publicvoidLoadData(stringwebservicecomm,stringXmlcommand)
       {
           if(_comToPageIndex!=null)
           {
               //防止程序重入
               if(_comToPageIndex.Tag==null||_comToPageIndex.Tag.ToString()==”1″)
               {
                   return;
               }
               _comToPageIndex.Tag=”1″;
           }

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

           System.Data.DataSetds;

           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[0][“PageSize”].ToString());
               this._PageIndex=Int32.Parse(ds.Tables[“TabScript”].Rows[0][“PageIndex”].ToString());
               this._RecodeCount=Int32.Parse(ds.Tables[“TabScript”].Rows[0][“Rows”].ToString());
               this._PageCount=this._RecodeCount/this._PageSize+1;

               if(_comToPageIndex!=null)
               {
                   _comToPageIndex.Items.Clear();
                   for(inti=1;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<=1?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(Exceptionex)
           {
               //发生webservice错误
               if(_errorDataLoad!=null)
               {
                   _errorDataLoad(“连接WebService服务器失败(001)！nr错误原因：”+ex.Message);
               }
               if(_comToPageIndex!=null)
               {
                   _comToPageIndex.Tag=””;
               }
           }

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

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

       ///<summary>
       ///
       ///</summary>
       ///<paramname=”XmlComm”></param>
       publicvoidLoadData(stringXmlComm)
       {
           LoadData(_webseiviceComm,XmlComm);

       }

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

       ///<summary>
       ///加载web服务数据
       ///</summary>
       ///<paramname=”cmdID”>命令编号</param>
       ///<paramname=”para”>参数</param>
       ///<returns>数据集</returns>
       privateDataSetLoadWebServiceData(stringcmdID,stringpara)
       {
           inttt;
           stringerrmsg=””;
           System.Data.DataSetds=newDataSet();
           try
           {
               tt=WebService.GetInstance(CommonInfo.LoginInfo.userParameters).Execute(“DataServices”,cmdID,”1″,para,outerrmsg,out ds);
           }
           catch(Exceptionex)
           {
               //发生webservice错误
               thrownewException(“连接WebService服务器失败(001)！nr错误原因：”+ex.Message);
           }

           if(tt==1)
           {
               //获取数据成功
               returnds;
           }
           else
           {
               //获取keystring错误
               thrownewException(“服务器返回失败信息(002)！nr错误原因：”+errmsg);
           }
       }

       ///<summary>
       ///刷新
       ///</summary>
       ///<paramname=”sender”></param>
       ///<paramname=”e”></param>
       privatevoidbtReflesh_Click(objectsender,EventArgse)
       {
           LoadData();
       }

       ///<summary>
       ///下一页
       ///</summary>
       publicvoidNextPage()
       {
           this._btNext.PerformClick();
       }

       ///<summary>
       ///下一页
       ///</summary>
       ///<paramname=”sender”></param>
       ///<paramname=”e”></param>
       privatevoidbtNext_Click(objectsender,EventArgse)
       {
           _PageIndex++;
           LoadData();
       }

       ///<summary>
       ///上一页
       ///</summary>
       publicvoidUpPage()
       {
           this._btPreview.PerformClick();
       }

       ///<summary>
       ///上一页
       ///</summary>
       ///<paramname=”sender”></param>
       ///<paramname=”e”></param>
       privatevoidbtUp_Click(objectsender,EventArgse)
       {
           –_PageIndex;
           LoadData();
       }

       ///<summary>
       ///首页
       ///</summary>
       ///<paramname=”sender”></param>
       ///<paramname=”e”></param>
       privatevoidbtFirst_Click(objectsender,EventArgse)
       {
           _PageIndex=1;
           LoadData();
       }

       ///<summary>
       ///首页
       ///</summary>
       publicvoidFirstPage()
       {
           this._btFirst.PerformClick();
       }

       ///<summary>
       ///最后一页
       ///</summary>
       ///<paramname=”sender”></param>
       ///<paramname=”e”></param>
       privatevoidbtLast_Click(objectsender,EventArgse)
       {
           _PageIndex=_PageCount;
           LoadData();
       }

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

       ///<summary>
       ///combobox选择改变页号
       ///</summary>
       ///<paramname=”sender”></param>
       ///<paramname=”e”></param>
       privatevoidcomPageSize_SelectedIndexChanged(objectsender,EventArgse)
       {
           this._PageSize=Int32.Parse(_comPageSize.Text);
           LoadData();
       }

       ///<summary>
       ///翻到第几页
       ///</summary>
       ///<paramname=”sender”></param>
       ///<paramname=”e”></param>
       privatevoidcomToPageIndex_SelectedIndexChanged(objectsender,EventArgse)
       {
           this._PageIndex=Int32.Parse(_comToPageIndex.Text);
           LoadData();
       }
   }
}

希望本文所述对大家的C#程序设计有所帮助。

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