C#簡單的通用基礎(chǔ)字典實現(xiàn)方法
本文實例講述了C#簡單的通用基礎(chǔ)字典實現(xiàn)方法。分享給大家供大家參考。具體實現(xiàn)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>
/// 頁大小
/// </summary>
private int _PageSize = 50;
/// <summary>
/// 頁索引
/// </summary>
private int _PageIndex = 1;
/// <summary>
/// 記錄數(shù)
/// </summary>
private int _RecodeCount = 0;
/// <summary>
/// 頁數(shù)
/// </summary>
private int _PageCount = 0;
/// <summary>
/// 回調(diào)函數(shù)獲取要查詢數(shù)據(jù)的XML數(shù)據(jù)參數(shù)
/// </summary>
/// <param name="PageIndex"></param>
/// <param name="PageSize"></param>
/// <returns></returns>
public delegate string LoadXML(int PageIndex, int PageSize);
/// <summary>
/// 在讀取數(shù)據(jù)后發(fā)生的事件，用于通知客戶
/// </summary>
public delegate void afterDataLoadDelegate();
/// <summary>
/// 在讀取數(shù)據(jù)前發(fā)生的事件，提示客戶等待
/// </summary>
public delegate void beforeDataLoadDelegate();
/// <summary>
/// 在讀取數(shù)據(jù)發(fā)生錯誤時發(fā)生，用于錯誤處理
/// </summary>
public delegate void errorDataLoadDelegate(string ErrMSG);
/// <summary>
/// 首頁按鈕
/// </summary>
System.Windows.Forms.Button _btFirst;
/// <summary>
/// 前頁按鈕
/// </summary>
System.Windows.Forms.Button _btPreview;
/// <summary>
/// 下一頁按鈕
/// </summary>
System.Windows.Forms.Button _btNext;
/// <summary>
/// 末頁按鈕
/// </summary>
System.Windows.Forms.Button _btLast;
/// <summary>
/// 刷新按鈕
/// </summary>
System.Windows.Forms.Button _btreflesh;
/// <summary>
/// 記錄數(shù)提示Label
/// </summary>
System.Windows.Forms.Label _msg;
/// <summary>
/// 每頁記錄數(shù)combo
/// </summary>
System.Windows.Forms.ComboBox _comPageSize;
/// <summary>
/// 當(dāng)前頁索引combo
/// </summary>
System.Windows.Forms.ComboBox _comToPageIndex;
/// <summary>
/// 顯示數(shù)據(jù)的datagridview
/// </summary>
C1.Win.C1FlexGrid.C1FlexGrid _dv;
LoadXML _loadxml;
afterDataLoadDelegate _afterDataLoad;
beforeDataLoadDelegate _beferDataLoad;
errorDataLoadDelegate _errorDataLoad;
public string _webseiviceComm = "";
/// <summary>
/// 構(gòu)造函數(shù)
/// </summary>
/// <param name="btFirst">首頁</param>
/// <param name="btPreview">上一頁</param>
/// <param name="btNext">下一頁</param>
/// <param name="btLast">末頁</param>
/// <param name="btreflesh">刷新</param>
/// <param name="msg">共x頁,記錄數(shù)：x</param>
/// <param name="PageSize">頁大小</param>
/// <param name="PageIndex">頁索引</param>
/// <param name="dv">顯示數(shù)據(jù)的datagridview</param>
/// <param name="webseiviceComm">命令編號</param>
/// <param name="loadxmlCallBack">參數(shù)</param>
/// <param name="beferfireCallBack">加載之前處理的回調(diào)函數(shù)</param>
/// <param name="afterfireCallBack">加載之后處理的回調(diào)函數(shù)</param>
/// <param name="errorfireCallBack">錯誤處理的回調(diào)函數(shù)</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>
/// 調(diào)用webservice 方法獲取數(shù)據(jù)
/// </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";
}
//出發(fā)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 = "當(dāng)前第" + this._PageIndex + "頁," + "共" + this._PageCount.ToString() + "頁,記錄數(shù)：" + 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)
{
//發(fā)生webservice錯誤
if (_errorDataLoad != null)
{
_errorDataLoad("連接WebService服務(wù)器失敗(001)！\n\r錯誤原因：" + 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>
/// 加載web服務(wù)數(shù)據(jù)
/// </summary>
/// <param name="cmdID">命令編號</param>
/// <param name="para">參數(shù)</param>
/// <returns>數(shù)據(jù)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)
{
//發(fā)生webservice錯誤
throw new Exception("連接WebService服務(wù)器失敗(001)！\n\r錯誤原因：" + ex.Message);
}
if (tt == 1)
{
//獲取數(shù)據(jù)成功
return ds;
}
else
{
//獲取keystring錯誤
throw new Exception("服務(wù)器返回失敗信息(002)！\n\r錯誤原因：" + errmsg);
}
}
/// <summary>
/// 刷新
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btReflesh_Click(object sender, EventArgs e)
{
LoadData();
}
/// <summary>
/// 下一頁
/// </summary>
public void NextPage()
{
this._btNext.PerformClick();
}
/// <summary>
/// 下一頁
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btNext_Click(object sender, EventArgs e)
{
_PageIndex++;
LoadData();
}
/// <summary>
/// 上一頁
/// </summary>
public void UpPage()
{
this._btPreview.PerformClick();
}
/// <summary>
/// 上一頁
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btUp_Click(object sender, EventArgs e)
{
--_PageIndex;
LoadData();
}
/// <summary>
/// 首頁
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btFirst_Click(object sender, EventArgs e)
{
_PageIndex = 1;
LoadData();
}
/// <summary>
/// 首頁
/// </summary>
public void FirstPage()
{
this._btFirst.PerformClick();
}
/// <summary>
/// 最后一頁
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btLast_Click(object sender, EventArgs e)
{
_PageIndex = _PageCount;
LoadData();
}
/// <summary>
/// 最后一頁
/// </summary>
public void LastPage()
{
this._btLast.PerformClick();
}
/// <summary>
/// combobox選擇改變頁號
/// </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>
/// 翻到第幾頁
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void comToPageIndex_SelectedIndexChanged(object sender, EventArgs e)
{
this._PageIndex = Int32.Parse(_comToPageIndex.Text);
LoadData();
}
}
}
希望本文所述對大家的C#程序設(shè)計有所幫助。
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