using System;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.ComponentModel;
using System.Web.UI.HtmlControls;
namespace HKH.Control.Web
{
/// <summary>
/// 显示样式，可以用或连接，组合显示
/// </summary>
public enum ShowType
{
ShowFistLastBtn = 1, //第一页/最后一页按钮
ShowPreNextBtn = 2, //上一页/下一页按钮
ShowRecorderInfo = 4, //总记录数信息
ShowPageInfo = 8, //总页数信息
ShowPageNumber = 16, //页码导航块
ShowPageRowCount = 32, //每页行数
ShowGoPage = 64 //GO页码定位
}
/// <summary>
/// PageControl 的摘要说明。
/// 继承ListControl是为了应用它的Items属性
/// 本应继承WebControl
/// </summary>
[DefaultProperty("Text"),
ToolboxData("<{0}:PageControl runat=server></{0}:PageControl>")]
public class PageControl : System.Web.UI.WebControls.ListControl,INamingContainer
{
#region 设定该控件所拥有的子控件
private DropDownList rowCount=new DropDownList(); //设置每页行数
private LinkButton lbtn_first=new LinkButton(); //页码导航块第一页
private Button btn_first = new Button(); //第一页按钮
private Button btn_pre=new Button(); //上一页按钮
private Button btn_next=new Button(); //下一页按钮
private Button btn_last = new Button(); //最后一页按钮
private LinkButton lbtn_last=new LinkButton(); //页码导航块最后一页
private TextBox txt_GoWhere=new TextBox(); //定位页码文本框
private Button btn_go=new Button(); //转到按钮
private Label lb_Info=new Label();
//以下10个为定位按钮
private LinkButton index_1=new LinkButton();
private LinkButton index_2=new LinkButton();
private LinkButton index_3=new LinkButton();
private LinkButton index_4=new LinkButton();
private LinkButton index_5=new LinkButton();
private LinkButton index_6=new LinkButton();
private LinkButton index_7=new LinkButton();
private LinkButton index_8=new LinkButton();
private LinkButton index_9=new LinkButton();
private LinkButton index_10=new LinkButton();
private LinkButton section_pre=new LinkButton(); //上一页块
private LinkButton section_next=new LinkButton(); //下一页块
#endregion
#region 设定该控件的公有属性
#region 页面构成
/// <summary>
/// 是否显示第一页/最后一页按钮
/// </summary>
[Bindable(true),
Category("分页控件")
]
public bool ShowFistLastBtn
{
get
{
return this.HasStyle(ShowType.ShowFistLastBtn);
}
set
{
if (value)
{
this.ShowInfo = this.ShowInfo | (int)ShowType.ShowFistLastBtn;
}
else
{
this.ShowInfo = this.ShowInfo & (~(int)ShowType.ShowFistLastBtn);
}
}
}
/// <summary>
/// 是否显示上一页/下一页按钮
/// </summary>
[Bindable(true),
Category("分页控件")
]
public bool ShowPreNextBtn
{
get
{
return this.HasStyle(ShowType.ShowPreNextBtn);
}
set
{
if (value)
{
this.ShowInfo = this.ShowInfo | (int)ShowType.ShowPreNextBtn;
}
else
{
this.ShowInfo = this.ShowInfo & (~(int)ShowType.ShowPreNextBtn);
}
}
}
/// <summary>
/// 是否显示总记录数信息
/// </summary>
[Bindable(true),
Category("分页控件")
]
public bool ShowRecorderInfo
{
get
{
return this.HasStyle(ShowType.ShowRecorderInfo);
}
set
{
if (value)
{
this.ShowInfo = this.ShowInfo | (int)ShowType.ShowRecorderInfo;
}
else
{
this.ShowInfo = this.ShowInfo & (~(int)ShowType.ShowRecorderInfo);
}
}
}
/// <summary>
/// 是否显示总页数信息
/// </summary>
[Bindable(true),
Category("分页控件")
]
public bool ShowPageInfo
{
get
{
return this.HasStyle(ShowType.ShowPageInfo);
}
set
{
if (value)
{
this.ShowInfo = this.ShowInfo | (int)ShowType.ShowPageInfo;
}
else
{
this.ShowInfo = this.ShowInfo & (~(int)ShowType.ShowPageInfo);
}
}
}
/// <summary>
/// 是否显示页码导航块
/// </summary>
[Bindable(true),
Category("分页控件")
]
public bool ShowPageNumber
{
get
{
return this.HasStyle(ShowType.ShowPageNumber);
}
set
{
if (value)
{
this.ShowInfo = this.ShowInfo | (int)ShowType.ShowPageNumber;
}
else
{
this.ShowInfo = this.ShowInfo & (~(int)ShowType.ShowPageNumber);
}
}
}
/// <summary>
/// 是否显示每页行数
/// </summary>
[Bindable(true),
Category("分页控件")
]
public bool ShowPageRowCount
{
get
{
return this.HasStyle(ShowType.ShowPageRowCount);
}
set
{
if (value)
{
this.ShowInfo = this.ShowInfo | (int)ShowType.ShowPageRowCount;
}
else
{
this.ShowInfo = this.ShowInfo & (~(int)ShowType.ShowPageRowCount);
}
}
}
/// <summary>
/// 是否显示GO页码定位
/// </summary>
[Bindable(true),
Category("分页控件")
]
public bool ShowGoPage
{
get
{
return this.HasStyle(ShowType.ShowGoPage);
}
set
{
if (value)
{
this.ShowInfo = this.ShowInfo | (int)ShowType.ShowGoPage;
}
else
{
this.ShowInfo = this.ShowInfo & (~(int)ShowType.ShowGoPage);
}
}
}
/// <summary>
/// 获取或设置显示样式
/// </summary>
public int ShowInfo
{
get
{
if(ViewState["_ShowAmount"]!=null)
{
return (int)ViewState["_ShowAmount"];
}
else
{
return 126;
}
}
set
{
ViewState["_ShowAmount"]= value;
}
}
#endregion
#region 控件中各部分的样式
/// <summary>
/// 获取或设置按钮样式
/// </summary>
[Bindable(true),
Category("分页控件")
]
public string Button_CSS
{
get
{
if(ViewState["_ButtonCSS"]!=null)
{
return (string)ViewState["_ButtonCSS"];
}
else
{
return "";
}
}
set
{
ViewState["_ButtonCSS"]= value;
}
}
/// <summary>
/// 获取或设置定位按钮样式
/// </summary>
[Bindable(true),
Category("分页控件")
]
public string Go_CSS
{
get
{
if(ViewState["_GoCSS"]!=null)
{
return (string)ViewState["_GoCSS"];
}
else
{
return "";
}
}
set
{
ViewState["_GoCSS"]= value;
}
}
/// <summary>
/// 获取或设置定位页码文本框样式
/// </summary>
[Bindable(true),
Category("分页控件")
]
public string TextBox_CSS
{
get
{
if(ViewState["_TextBoxCSS"]!=null)
{
return (string)ViewState["_TextBoxCSS"];
}
else
{
return "";
}
}
set
{
ViewState["_TextBoxCSS"]= value;
//Set_Style();
}
}
/// <summary>
/// 获取或设置标签样式
/// </summary>
[Bindable(true),
Category("分页控件")
]
public string Label_CSS
{
get
{
if(ViewState["_LabelCSS"]!=null)
{
return (string)ViewState["_LabelCSS"];
}
else
{
return "";
}
}
set
{
ViewState["_LabelCSS"]= value;
}
}
/// <summary>
/// 获取或设置当前页码样式
/// </summary>
[Bindable(true),
Category("分页控件")
]
public string Selected_CSS
{
get
{
if(ViewState["_SelectedCSS"]!=null)
{
return (string)ViewState["_SelectedCSS"];
}
else
{
return "";
}
}
set
{
ViewState["_SelectedCSS"]= value;
}
}
/// <summary>
/// 获取或设置第一页样式
/// </summary>
[Bindable(true),
Category("分页控件")
]
public string FirstPage_CSS
{
get
{
if(ViewState["_FirstPageCSS"]!=null)
{
return (string)ViewState["_FirstPageCSS"];
}
else
{
return "";
}
}
set
{
ViewState["_FirstPageCSS"]= value;
}
}
/// <summary>
/// 获取或设置最后一页样式
/// </summary>
[Bindable(true),
Category("分页控件")
]
public string LastPage_CSS
{
get
{
if(ViewState["_LastPageCSS"]!=null)
{
return (string)ViewState["_LastPageCSS"];
}
else
{
return "";
}
}
set
{
ViewState["_LastPageCSS"]= value;
}
}
/// <summary>
/// 获取或设置上一节样式
/// </summary>
[Bindable(true),
Category("分页控件")
]
public string PreSection_CSS
{
get
{
if(ViewState["_PreSectionCSS"]!=null)
{
return (string)ViewState["_PreSectionCSS"];
}
else
{
return "";
}
}
set
{
ViewState["_PreSectionCSS"]= value;
}
}
/// <summary>
/// 获取或设置下一节样式
/// </summary>
[Bindable(true),
Category("分页控件")
]
public string NextSection_CSS
{
get
{
if((string)ViewState["_NextSectionCSS"]!=null)
{
return (string)ViewState["_NextSectionCSS"];
}
else
{
return "";
}
}
set
{
ViewState["_NextSectionCSS"]= value;
}
}
#region 页行数
/// <summary>
/// 获取或设置页行数选项
/// </summary>
[Bindable(true),
Category("分页控件")
]
public override ListItemCollection Items
{
get
{
return rowCount.Items;
}
}
#endregion
#endregion
#region 块索引号
[Bindable(true),
Category("分页控件")
]
public int Section_Index
{
get
{
if(ViewState["_SectionIndex"]!=null)
{
return Convert.ToInt16(ViewState["_SectionIndex"]);
}
else
{
return 0;
}
}
set
{
ViewState["_SectionIndex"]= value;
}
}
#endregion
#region 当前页的索引号
[Bindable(true),
Category("分页控件"),
DefaultValue(1)]
public int Current_Index
{
get
{
if(ViewState["_CurrentIndex"]!=null)
{
int c_Index=Convert.ToInt16(ViewState["_CurrentIndex"]);
return c_Index < 1 ? 1 : c_Index;
}
else
{
return 1;
}
}
set
{
ViewState["_CurrentIndex"]= value;
}
}
#endregion
#region 最后一页的索引号
[Bindable(true),
Category("分页控件")
]
public int Last_Index
{
get
{
if(ViewState["_LastPageNum"]!=null)
{
int l_Index=Convert.ToInt16(ViewState["_LastPageNum"]);
return l_Index < 1 ? 1 : l_Index;
}
else
{
return 1;
}
}
set
{
ViewState["_LastPageNum"]= value;
}
}
#endregion
#region 总记录条数
[Bindable(true),
Category("分页控件")
]
public int Total_Count
{
get
{
if(ViewState["_Total_Count"]!=null)
{
return (int)ViewState["_Total_Count"];
}
else
{
return 0;
}
}
set
{
ViewState["_Total_Count"]= value;
Calculate_LastIndex();
}
}
#endregion
#region 一页的行数
[Bindable(true),
Category("分页控件"),
DefaultValue(15)]
public int Page_Size
{
get
{
if(ViewState["_Page_Size"]!=null)
{
return (int)ViewState["_Page_Size"];
}
else
{
return 15;
}
}
set
{
ViewState["_Page_Size"]= value;
Calculate_LastIndex();
}
}
#endregion
#region 保存查询条件
[Bindable(true),
Category("分页控件")
]
public string KeyWord
{
get
{
if(ViewState["_KeyWord"]!=null)
{
return ViewState["_KeyWord"].ToString();
}
else
{
return "";
}
}
set
{
ViewState["_KeyWord"]= value;
}
}
#endregion
#endregion
#region 控件呈现
/// <summary>
/// 将此控件呈现给指定的输出参数。
/// </summary>
/// <param name="output"> 要写出到的 HTML 编写器 </param>
protected override void Render(HtmlTextWriter output)
{
Set_Style();
output.Write("<table width=/"100%/" border=/"0/" cellspacing=/"0/" cellpadding=/"0/">");
output.Write("<tr>");
if( this.HasStyle(ShowType.ShowFistLastBtn))
{
output.Write("<td width=/"9%/" height=/"31/" align=/"left/" valign=/"center/" nowrap>");
btn_first.RenderControl(output);
output.Write("</td>");
}
if (this.HasStyle(ShowType.ShowPreNextBtn))
{
output.Write("<td width=/"9%/" height=/"31/" align=/"left/" valign=/"center/" nowrap>");
btn_pre.RenderControl(output);
output.Write("</td>");
output.Write("<td width=/"9%/" align=/"left/" valign=/"center/" nowrap>");
btn_next.RenderControl(output);
output.Write("</td>");
}
if (this.HasStyle(ShowType.ShowFistLastBtn))
{
output.Write("<td width=/"9%/" height=/"31/" align=/"left/" valign=/"center/" nowrap>");
btn_last.RenderControl(output);
output.Write("</td>");
}
if (this.HasStyle( ShowType.ShowRecorderInfo))
{
output.Write("<td width=/"9%/" valign=/"center/" nowrap><strong>共 <span class=/"style10/">"+Total_Count.ToString()+"</span> 条记录 </strong>");
output.Write("</td>");
}
if (this.HasStyle( ShowType.ShowPageInfo ))
{
output.Write("<td width=/"9%/" valign=/"center/" nowrap><strong>共 <span class=/"style10/">"+Last_Index.ToString()+"</span> 页 </strong>");
output.Write("</td>");
}
if (this.HasStyle(ShowType.ShowPageNumber))
{
output.Write("<td align=/"center/" valign=/"center/" nowrap class=/"font01/">");
#region 用表格定住1-10的按钮
output.Write("<table height=/"31/"border=/"0/" cellspacing=/"0/" cellpadding=/"0/">");
output.Write("<tr><td width=/"20/" align=/"center/" valign=/"center/" nowrap>");
lbtn_first.RenderControl(output);
output.Write("</td>");
//如果不是第一节，显示上一节
if(Section_Index!=0)
{
output.Write("<td width=/"20/" align=/"center/" valign=/"center/" nowrap>");
section_pre.RenderControl(output);
output.Write("</td>");
}
HandleLinkButton(ref output,1,ref index_1);
HandleLinkButton(ref output,2,ref index_2);
HandleLinkButton(ref output,3,ref index_3);
HandleLinkButton(ref output,4,ref index_4);
HandleLinkButton(ref output,5,ref index_5);
HandleLinkButton(ref output,6,ref index_6);
HandleLinkButton(ref output,7,ref index_7);
HandleLinkButton(ref output,8,ref index_8);
HandleLinkButton(ref output,9,ref index_9);
HandleLinkButton(ref output,10,ref index_10);
HandleLinkButton(ref output,11,ref section_next);
output.Write("<td width=/"20/" align=/"center/" valign=/"center/" nowrap>");
lbtn_last.RenderControl(output);
output.Write("</td></tr></table>");
#endregion
output.Write("</td>");
output.Write(" ");
}
#region 设置每页显示记录数
if (this.HasStyle(ShowType.ShowPageRowCount))
{
output.Write("<td width=/"15%/" height=/"31/" valign=/"center/" nowrap><strong>每页 ");
rowCount.RenderControl(output);
output.Write(" 条记录 </strong></td>");
output.Write(" ");
}
#endregion
if (this.HasStyle(ShowType.ShowGoPage))
{
output.Write("<td width=/"15%/" align=/"right/" valign=/"center/" nowrap>转到：");
txt_GoWhere.RenderControl(output);
output.Write(" ");
btn_go.RenderControl(output);
output.Write("</td>");
}
output.Write("</tr></table>");
}
/// <summary>
/// 生成10个按钮，做定位
/// </summary>
/// <param name="output"></param>
/// <param name="Index"></param>
/// <param name="lkButton"></param>
private void HandleLinkButton(ref HtmlTextWriter output,int Index,ref LinkButton lkButton)
{
if((Section_Index*10+Index-1)*Page_Size<Total_Count)
{
output.Write("<td width=/"20/" align=/"center/" valign=/"center/" nowrap>");
lkButton.RenderControl(output);
output.Write("</td>");
}
else
{
output.Write("<td width=/"20/" align=/"center/" valign=/"center/" nowrap>");
output.Write(" </td>");
}
}
#endregion
#region 添加子控件。
/// <summary>
/// 添加子控件。
/// </summary>
protected override void CreateChildControls()
{
InitChildControl();
#region 给子控件添加事件
lbtn_first.Command+=new CommandEventHandler(OnPageIndexChanged);
lbtn_first.CommandName="first";
btn_first.Command+=new CommandEventHandler(OnPageIndexChanged);
btn_first.CommandName="first";
btn_pre.Command+=new CommandEventHandler(OnPageIndexChanged);
btn_pre.CommandName="pre";
btn_next.Command+=new CommandEventHandler(OnPageIndexChanged);
btn_next.CommandName="next";
btn_last.Command+=new CommandEventHandler(OnPageIndexChanged);
btn_last.CommandName="last";
lbtn_last.Command+=new CommandEventHandler(OnPageIndexChanged);
lbtn_last.CommandName="last";
btn_go.Command+=new CommandEventHandler(OnPageIndexChanged);
btn_go.CommandName="goto";
index_1.Command+=new CommandEventHandler(OnPageIndexChanged);
index_1.CommandName="index_1";
index_2.Command+=new CommandEventHandler(OnPageIndexChanged);
index_2.CommandName="index_2";
index_3.Command+=new CommandEventHandler(OnPageIndexChanged);
index_3.CommandName="index_3";
index_4.Command+=new CommandEventHandler(OnPageIndexChanged);
index_4.CommandName="index_4";
index_5.Command+=new CommandEventHandler(OnPageIndexChanged);
index_5.CommandName="index_5";
index_6.Command+=new CommandEventHandler(OnPageIndexChanged);
index_6.CommandName="index_6";
index_7.Command+=new CommandEventHandler(OnPageIndexChanged);
index_7.CommandName="index_7";
index_8.Command+=new CommandEventHandler(OnPageIndexChanged);
index_8.CommandName="index_8";
index_9.Command+=new CommandEventHandler(OnPageIndexChanged);
index_9.CommandName="index_9";
index_10.Command+=new CommandEventHandler(OnPageIndexChanged);
index_10.CommandName="index_10";
section_pre.Command+=new CommandEventHandler(OnPageIndexChanged);
section_pre.CommandName="section_pre";
section_next.Command+=new CommandEventHandler(OnPageIndexChanged);
section_next.CommandName="section_next";
rowCount.SelectedIndexChanged+=new EventHandler(rowCount_SelectedIndexChanged);
#endregion
Controls.Add(lbtn_first);
Controls.Add(btn_pre);
Controls.Add(btn_next);
Controls.Add(lbtn_last);
Controls.Add(btn_go);
Controls.Add(txt_GoWhere);
Controls.Add(index_1);
Controls.Add(index_2);
Controls.Add(index_3);
Controls.Add(index_4);
Controls.Add(index_5);
Controls.Add(index_6);
Controls.Add(index_7);
Controls.Add(index_8);
Controls.Add(index_9);
Controls.Add(index_10);
Controls.Add(section_pre);
Controls.Add(section_next);
Controls.Add(rowCount);
}
#endregion
#region 初始化子控件
protected void InitChildControl()
{
#region 设置下拉框
int Select_Index=rowCount.Items.IndexOf(rowCount.Items.FindByValue(this.Page_Size.ToString()));
//如果没有显示，则定为全部显示，此功能审用
if(Select_Index !=-1)
{
rowCount.SelectedIndex=Select_Index;
}
else
{
rowCount.SelectedIndex=0;
}
rowCount.EnableViewState=true;
rowCount.AutoPostBack=true;
#endregion
}
#endregion
#region 设定样式
protected void Set_Style()
{
#region 设置按钮的文字
section_pre.Text="<FONT face='webdings' color='#ff0000'>7</FONT>";
section_next.Text="<FONT face='webdings' color='#ff0000'>8</FONT>";
lbtn_first.Text="<FONT face='webdings' color='#ff0000'>9</FONT>";
lbtn_first.ToolTip="首页";
lbtn_last.Text="<FONT face='webdings' color='#ff0000'>:</FONT>";
lbtn_last.ToolTip="末页";
index_1.Text=Convert.ToString(Section_Index*10+1);
index_2.Text=Convert.ToString(Section_Index*10+2);
index_3.Text=Convert.ToString(Section_Index*10+3);
index_4.Text=Convert.ToString(Section_Index*10+4);
index_5.Text=Convert.ToString(Section_Index*10+5);
index_6.Text=Convert.ToString(Section_Index*10+6);
index_7.Text=Convert.ToString(Section_Index*10+7);
index_8.Text=Convert.ToString(Section_Index*10+8);
index_9.Text=Convert.ToString(Section_Index*10+9);
index_10.Text=Convert.ToString(Section_Index*10+10);
#endregion
btn_go.Text=" GO";//----暂时设定为"Go"
btn_first.Text = "第一页";
btn_pre.Text="上一页 ";
btn_next.Text="下一页 ";
btn_last.Text = "最后一页";
lbtn_first.CssClass=FirstPage_CSS;
lbtn_last.CssClass=LastPage_CSS;
section_pre.CssClass=PreSection_CSS;
section_next.CssClass=NextSection_CSS;
btn_first.CssClass=Button_CSS;
btn_pre.CssClass=Button_CSS;
btn_next.CssClass=Button_CSS;
btn_last.CssClass=Button_CSS;
btn_go.CssClass=Go_CSS;
txt_GoWhere.CssClass=TextBox_CSS;
index_1.CssClass=Label_CSS;
index_2.CssClass=Label_CSS;
index_3.CssClass=Label_CSS;
index_4.CssClass=Label_CSS;
index_5.CssClass=Label_CSS;
index_6.CssClass=Label_CSS;
index_7.CssClass=Label_CSS;
index_8.CssClass=Label_CSS;
index_9.CssClass=Label_CSS;
index_10.CssClass=Label_CSS;
#region 设置选择项的样式
if(Selected_CSS!="")
{
switch(Current_Index%10)
{
case 1:
{
index_1.CssClass=Selected_CSS;
break;
}
case 2:
{
index_2.CssClass=Selected_CSS;
break;
}
case 3:
{
index_3.CssClass=Selected_CSS;
break;
}
case 4:
{
index_4.CssClass=Selected_CSS;
break;
}
case 5:
{
index_5.CssClass=Selected_CSS;
break;
}
case 6:
{
index_6.CssClass=Selected_CSS;
break;
}
case 7:
{
index_7.CssClass=Selected_CSS;
break;
}
case 8:
{
index_8.CssClass=Selected_CSS;
break;
}
case 9:
{
index_9.CssClass=Selected_CSS;
break;
}
case 0:
{
if(Current_Index>0)
{
index_10.CssClass=Selected_CSS;
}
break;
}
default:
{
break;
}
}
}
#endregion
#region 部分控件的宽度
btn_pre.Width=new Unit(60,UnitType.Pixel);
btn_next.Width=new Unit(60,UnitType.Pixel);
txt_GoWhere.Width=new Unit(30,UnitType.Pixel);
btn_go.Width=new Unit(30,UnitType.Pixel);
#endregion
}
#endregion
#region 定义控件的分页事件
public event System.EventHandler PageBind;//数据绑定事件
public event CommandEventHandler PageIndexChanged;//分页事件
public event System.EventHandler SelCountChanged;//每页显示记录数改变事件
/// <summary>
/// 数据源绑定事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
public void OnPageBind(object sender, EventArgs e)
{
if(PageBind!=null)
{
PageBind(this,e);
}
}
/// <summary>
/// 选页改变事件，如无特殊处理，此事件不写将自动调用绑定事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
public void OnPageIndexChanged(object sender,CommandEventArgs e)
{
Page_IndexChanged(sender,e);
if(PageIndexChanged !=null)
{
PageIndexChanged(this,e);
}
else
{
this.OnPageBind(this,e);
}
}
/// <summary>
/// 每页行数改变事件，如无特殊处理，此事件不写将自动调用绑定事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void rowCount_SelectedIndexChanged(object sender, EventArgs e)
{
int PageSize=Convert.ToInt32(((DropDownList)sender).SelectedValue);
if(PageSize!=0)
{
this.Page_Size=PageSize;
}
else
{
if(this.Total_Count!=0)
this.Page_Size=Total_Count;
else
this.Page_Size=100;
}
ResetPageControl();
if(SelCountChanged != null)
{
SelCountChanged(this,e);
}
else
{
this.OnPageBind(this,e);
}
}
#endregion
#region 翻页操作
/// <summary>
/// 翻页处理，在此主要计算页码及节码并缓存
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void Page_IndexChanged(object sender,System.Web.UI.WebControls.CommandEventArgs e)
{
btn_pre.Enabled=true;
btn_next.Enabled=true;
switch(e.CommandName)
{
case "section_pre":
{
if(Section_Index>1)
{
Section_Index=Section_Index-1;
Current_Index=(Section_Index)*10+1;
}
else
{
Section_Index=0;
Current_Index=1;
}
break;
}
case "section_next":
{
if((Section_Index+1)*10<Last_Index)
{
Section_Index=Section_Index+1;
Current_Index=(Section_Index)*10+1;
}
break;
}
case "first":
{
Current_Index=1;
Section_Index=0;
break;
}
case "pre":
{
if(Current_Index>1)
{
Current_Index=Current_Index-1;
}
else
{
Current_Index=1;
}
break;
}
case "next":
{
if(Current_Index<Last_Index)
{
Current_Index=Current_Index+1;
}
else
{
Current_Index=Last_Index;
}
break;
}
case "last":
{
Current_Index=Last_Index;
while(Last_Index>10*(Section_Index+1))
{
Section_Index++;
}
break;
}
case "goto":
{
try
{
int gotowhere=Convert.ToInt16(txt_GoWhere.Text);
gotowhere=gotowhere > 1 ? gotowhere : 1;
Current_Index=gotowhere > Last_Index ? Last_Index : gotowhere;
Section_Index=(Current_Index%10)>0 ?Current_Index/10 : ((Current_Index/10-1)<0 ? 0 : Current_Index/10-1);
}
catch
{
}
break;
}
default:
{
int custom_index=Convert.ToInt32(e.CommandName.Replace("index_",""));
custom_index=custom_index+Section_Index*10;
if(custom_index>=1&&custom_index<=Last_Index)
{
Current_Index=custom_index;
}
break;
}
}
}
#endregion
#region 计算总页数
/// <summary>
/// 由总记录数及页面行数计算总页数
/// </summary>
private void Calculate_LastIndex()
{
if(Total_Count==0)
{
Last_Index=1;
}
decimal maybe_pagecount;
if(Page_Size!=0)
{
maybe_pagecount=Convert.ToDecimal(Total_Count)/Convert.ToDecimal(Page_Size);
}
else
{
Last_Index=1;
maybe_pagecount=0;
}
int temp_index=Convert.ToInt32(Math.Round(maybe_pagecount));
if(temp_index<maybe_pagecount)
{
temp_index=temp_index+1;
}
Last_Index=temp_index;
}
#endregion
#region 清空索引记录
public void ResetPageControl()
{
this.Current_Index=1;
this.Section_Index=0;
}
#endregion
#region 验证样式
/// <summary>
/// 验证样式
/// </summary>
/// <param name="showType"></param>
/// <returns></returns>
private bool HasStyle(ShowType showType)
{
if ( (this.ShowInfo | (int)showType) == this.ShowInfo )
return true;
else
return false;
}
#endregion
}
}
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