本人初次写自定义控件.
下面是一个自定义分页控件,用户可以通过传入记录总数和每页显示的记录数来实现分页导航.
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Text;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
namespace pagerControls
{
[DefaultProperty("Text")]
[ToolboxData("<{0}:WebCustomControlPager runat=server></{0}:WebCustomControlPager>")]
public class WebCustomControlPager : WebControl
{
[Bindable(true)]
[CategoryAttribute("Appearance")]
[DefaultValue("")]
[Localizable(true)]
public virtual string Text
{
get
{
String s = (String)ViewState["Text"];
return ((s == null) ? String.Empty : s);
}
set
{
ViewState["Text"] = value;
}
}
private int _currentPageIndex;
/// <summary>
/// 当前页面索引
/// </summary>
[Bindable(true)]
[CategoryAttribute("Appearance")]
[Localizable(true)]
[DescriptionAttribute("当前页面索引从1开始")]
[DefaultValueAttribute("当前页面索引")]
public virtual int currentPageIndex
{
get
{
return this._currentPageIndex;
}
set
{
this._currentPageIndex = value;
}
}
private int _iRecordCount=1;
/// <summary>
/// 记录数量
/// </summary>
[Bindable(true)]
[CategoryAttribute("Appearance")]
[Localizable(true)]
[DescriptionAttribute("记录数量")]
[DefaultValueAttribute("记录数量")]
public virtual int iRecordCount
{
get
{
return this._iRecordCount;
}
set
{
this._iRecordCount = value;
}
}
private int _iRowsCount=10;
/// <summary>
/// 每页记录数量
/// </summary>
[Bindable(true)]
[CategoryAttribute("Appearance")]
[Localizable(true)]
[DescriptionAttribute("每页记录数量")]
[DefaultValueAttribute("每页记录数量")]
public virtual int iRowsCount
{
get
{
return this._iRowsCount;
}
set
{
this._iRowsCount = value;
}
}
private int _iPrevCount=5;
/// <summary>
/// 前部分记录数量
/// </summary>
[Bindable(true)]
[CategoryAttribute("Appearance")]
[Localizable(true)]
[DescriptionAttribute("前部分记录数量")]
[DefaultValueAttribute("前部分记录数量")]
public virtual int iPrevCount
{
get
{
return this._iPrevCount;
}
set
{
this._iPrevCount = value;
}
}
private int _iNextCount=5;
/// <summary>
/// 后部分记录数量
/// </summary>
[Bindable(true)]
[CategoryAttribute("Appearance")]
[Localizable(true)]
[DescriptionAttribute("后部分记录数量")]
[DefaultValueAttribute("后部分记录数量")]
public virtual int iNextCount
{
get
{
return this._iNextCount ;
}
set
{
this._iNextCount = value;
}
}
protected override void RenderContents(HtmlTextWriter output)
{
//分页样式表信息
string sStyle = "";
StringBuilder strbStyle = new StringBuilder();
sStyle = "<style type =\"text/css\" >";
strbStyle.Append(sStyle);
sStyle = ".a4:link,.a4:visited,.a4:active{color:#207FC3;font-size:12px;text-decoration:none;}";
strbStyle.Append(sStyle);
sStyle = ".a4:hover{color:#ff6600;font-size:12px;text-decoration:none;}";
strbStyle.Append(sStyle);
sStyle = ".a5:link,.a5:visited,.a5:active{color:#ffffff;font-size:12px;text-decoration:none;}";
strbStyle.Append(sStyle);
sStyle = ".a5:hover{color:#ffffff;font-size:12px;text-decoration:none;}";
strbStyle.Append(sStyle);
sStyle = ".survey_pagediv {float:left;width:950px;height:22px; margin-top:15px;}";
strbStyle.Append(sStyle);
sStyle = ".survey_pagediv .pagedivcenter { width:600px; margin: 0 auto;}";
strbStyle.Append(sStyle);
sStyle = ".survey_pagediv .page { float:left;width:auto;font-family: Verdana, Arial, Helvetica, sans-serif;}";
strbStyle.Append(sStyle);
sStyle = ".survey_pagediv .page .select{float:left;height:16px;line-height:16px;padding:0 4px 0 4px;display:block;border:solid 1px #207FC3;margin:0 2px 0 2px;background-color:#207FC3;}";
strbStyle.Append(sStyle);
sStyle = ".survey_pagediv .page .num{float:left;height:16px;line-height:16px;padding:0 4px 0 4px;display:block;border:solid 1px #207FC3;margin:0 2px 0 2px;}";
strbStyle.Append(sStyle);
sStyle = ".survey_pagediv .page span{float:left;height:18px;line-height:18px;display:block;margin:0 4px 0 4px;}";
strbStyle.Append(sStyle);
sStyle = ".survey_pagediv_nodiv { float:left; width:230px; height:auto; border:solid 1px #C2E8C7; background-color:#FBFFFB; padding:5px;}";
strbStyle.Append(sStyle);
sStyle = ".survey_pagediv_nodiv1 { float:left; width:230px; height:155px; border:solid 1px #FFD4E3; background-color:#FFFCFE; padding:5px; text-align:center; line-height:155px;}";
strbStyle.Append(sStyle);
sStyle = "</style>";
strbStyle.Append(sStyle);
//分页信息
string sPagerHtml = "";
sPagerHtml = this.CSgetPagerHtml(this .iRecordCount , this .iRowsCount , this.Text, this .currentPageIndex );
sPagerHtml = strbStyle.ToString() + sPagerHtml;
output.Write(sPagerHtml);
}
/// <summary>
/// 取得分页信息
/// by minjiang 08-3-11
/// </summary>
/// <param name="recordCount">记录总数</param>
/// <param name="iRowsCount">每页记录大小</param>
/// <param name="pageUrl">页面地址</param>
/// <returns></returns>
public string CSgetPagerHtml(int recordCount, int iRowsCount, string pageUrl, int iCurrentPageIndex)
{
int intPrevPageCount = this .iPrevCount ;
int intNextPageCount = this .iNextCount ;
//如果小于此数字则不显示省略号
int intDefaultCount = 10;
StringBuilder strb = new StringBuilder();
string info = "";
info = "<div class=\"survey_pagediv\"><div class=\
using System.Collections.Generic;
using System.ComponentModel;
using System.Text;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
namespace pagerControls
{
[DefaultProperty("Text")]
[ToolboxData("<{0}:WebCustomControlPager runat=server></{0}:WebCustomControlPager>")]
public class WebCustomControlPager : WebControl
{
[Bindable(true)]
[CategoryAttribute("Appearance")]
[DefaultValue("")]
[Localizable(true)]
public virtual string Text
{
get
{
String s = (String)ViewState["Text"];
return ((s == null) ? String.Empty : s);
}
set
{
ViewState["Text"] = value;
}
}
private int _currentPageIndex;
/// <summary>
/// 当前页面索引
/// </summary>
[Bindable(true)]
[CategoryAttribute("Appearance")]
[Localizable(true)]
[DescriptionAttribute("当前页面索引从1开始")]
[DefaultValueAttribute("当前页面索引")]
public virtual int currentPageIndex
{
get
{
return this._currentPageIndex;
}
set
{
this._currentPageIndex = value;
}
}
private int _iRecordCount=1;
/// <summary>
/// 记录数量
/// </summary>
[Bindable(true)]
[CategoryAttribute("Appearance")]
[Localizable(true)]
[DescriptionAttribute("记录数量")]
[DefaultValueAttribute("记录数量")]
public virtual int iRecordCount
{
get
{
return this._iRecordCount;
}
set
{
this._iRecordCount = value;
}
}
private int _iRowsCount=10;
/// <summary>
/// 每页记录数量
/// </summary>
[Bindable(true)]
[CategoryAttribute("Appearance")]
[Localizable(true)]
[DescriptionAttribute("每页记录数量")]
[DefaultValueAttribute("每页记录数量")]
public virtual int iRowsCount
{
get
{
return this._iRowsCount;
}
set
{
this._iRowsCount = value;
}
}
private int _iPrevCount=5;
/// <summary>
/// 前部分记录数量
/// </summary>
[Bindable(true)]
[CategoryAttribute("Appearance")]
[Localizable(true)]
[DescriptionAttribute("前部分记录数量")]
[DefaultValueAttribute("前部分记录数量")]
public virtual int iPrevCount
{
get
{
return this._iPrevCount;
}
set
{
this._iPrevCount = value;
}
}
private int _iNextCount=5;
/// <summary>
/// 后部分记录数量
/// </summary>
[Bindable(true)]
[CategoryAttribute("Appearance")]
[Localizable(true)]
[DescriptionAttribute("后部分记录数量")]
[DefaultValueAttribute("后部分记录数量")]
public virtual int iNextCount
{
get
{
return this._iNextCount ;
}
set
{
this._iNextCount = value;
}
}
protected override void RenderContents(HtmlTextWriter output)
{
//分页样式表信息
string sStyle = "";
StringBuilder strbStyle = new StringBuilder();
sStyle = "<style type =\"text/css\" >";
strbStyle.Append(sStyle);
sStyle = ".a4:link,.a4:visited,.a4:active{color:#207FC3;font-size:12px;text-decoration:none;}";
strbStyle.Append(sStyle);
sStyle = ".a4:hover{color:#ff6600;font-size:12px;text-decoration:none;}";
strbStyle.Append(sStyle);
sStyle = ".a5:link,.a5:visited,.a5:active{color:#ffffff;font-size:12px;text-decoration:none;}";
strbStyle.Append(sStyle);
sStyle = ".a5:hover{color:#ffffff;font-size:12px;text-decoration:none;}";
strbStyle.Append(sStyle);
sStyle = ".survey_pagediv {float:left;width:950px;height:22px; margin-top:15px;}";
strbStyle.Append(sStyle);
sStyle = ".survey_pagediv .pagedivcenter { width:600px; margin: 0 auto;}";
strbStyle.Append(sStyle);
sStyle = ".survey_pagediv .page { float:left;width:auto;font-family: Verdana, Arial, Helvetica, sans-serif;}";
strbStyle.Append(sStyle);
sStyle = ".survey_pagediv .page .select{float:left;height:16px;line-height:16px;padding:0 4px 0 4px;display:block;border:solid 1px #207FC3;margin:0 2px 0 2px;background-color:#207FC3;}";
strbStyle.Append(sStyle);
sStyle = ".survey_pagediv .page .num{float:left;height:16px;line-height:16px;padding:0 4px 0 4px;display:block;border:solid 1px #207FC3;margin:0 2px 0 2px;}";
strbStyle.Append(sStyle);
sStyle = ".survey_pagediv .page span{float:left;height:18px;line-height:18px;display:block;margin:0 4px 0 4px;}";
strbStyle.Append(sStyle);
sStyle = ".survey_pagediv_nodiv { float:left; width:230px; height:auto; border:solid 1px #C2E8C7; background-color:#FBFFFB; padding:5px;}";
strbStyle.Append(sStyle);
sStyle = ".survey_pagediv_nodiv1 { float:left; width:230px; height:155px; border:solid 1px #FFD4E3; background-color:#FFFCFE; padding:5px; text-align:center; line-height:155px;}";
strbStyle.Append(sStyle);
sStyle = "</style>";
strbStyle.Append(sStyle);
//分页信息
string sPagerHtml = "";
sPagerHtml = this.CSgetPagerHtml(this .iRecordCount , this .iRowsCount , this.Text, this .currentPageIndex );
sPagerHtml = strbStyle.ToString() + sPagerHtml;
output.Write(sPagerHtml);
}
/// <summary>
/// 取得分页信息
/// by minjiang 08-3-11
/// </summary>
/// <param name="recordCount">记录总数</param>
/// <param name="iRowsCount">每页记录大小</param>
/// <param name="pageUrl">页面地址</param>
/// <returns></returns>
public string CSgetPagerHtml(int recordCount, int iRowsCount, string pageUrl, int iCurrentPageIndex)
{
int intPrevPageCount = this .iPrevCount ;
int intNextPageCount = this .iNextCount ;
//如果小于此数字则不显示省略号
int intDefaultCount = 10;
StringBuilder strb = new StringBuilder();
string info = "";
info = "<div class=\"survey_pagediv\"><div class=\