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C#简单的通用基础字典实现方法

戚俊人
2023-03-14
本文向大家介绍C#简单的通用基础字典实现方法,包括了C#简单的通用基础字典实现方法的使用技巧和注意事项,需要的朋友参考一下

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:


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 = 50;

        /// <summary>         /// 页索引         /// </summary>         private int _PageIndex = 1;

        /// <summary>         /// 记录数         /// </summary>         private int _RecodeCount = 0;

        /// <summary>         /// 页数         /// </summary>         private int _PageCount = 0;

        /// <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() == "1")                 {                     return;                 }                 _comToPageIndex.Tag = "1";             }

            //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[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 (int i = 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 (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, "1", 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 == 1)             {                 //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 = 1;             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();         }     } }

希望本文所述对大家的C#程序设计有所帮助。

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