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using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
namespace Paging
{
/// <summary>
/// Summary description for WebForm1.
/// </summary>
public class WebForm2 : System.Web.UI.Page
{
#region Private & Protected Variables
protected System.Web.UI.WebControls.Table tbPickList;
protected System.Web.UI.WebControls.Table Table1;
protected System.Web.UI.WebControls.Table tblPaging;
protected TableRow tr;
//------------------------------------------------------
private const int iShowNoPage=10;//-Change Parameter
private static int jIter=10;//------Change Parameter
private const int jVirtualInc=10;
private const int zVirtualInc=1;
private const int iInitialRecDisplay=5;
private int iTotalRec;//Change Paramater
private static int iFirstStepMod;
private static int iLastStep;
private static int zIter=1;
private static int iCntMovePtr=1;
private int iTotalPages;
protected System.Web.UI.WebControls.Label Label1;
protected System.Web.UI.WebControls.DropDownList ddlTotalRec;
protected System.Web.UI.WebControls.Label Label2;
protected System.Web.UI.WebControls.Label Label3;
protected System.Web.UI.WebControls.Button btnFirstRec;
protected System.Web.UI.WebControls.Button btnLastRec;
protected System.Web.UI.WebControls.Button btnNext;
protected System.Web.UI.WebControls.Button btnPrev;
protected System.Web.UI.WebControls.Button Button1;
#endregion
#region On Page Load
public void Page_Load(object sender, System.EventArgs e)
{
// Put user code to initialize the page here
// if(!IsPostBack)
//Button1.Attributes.Add("onclick","return alert(addDays(new Date(),10));");
//LoadDynamicTable();
//LoadStyleTable();
// Button1.Attributes.Add("onclick","return alert(addDays(new Date('5/23/2006'),10));");
//------------------------------------------------------------------------------------
if(iCntMovePtr==1)
{
btnPrev.Visible=false;
btnFirstRec.Visible=false;
}
CalculatePaging();
//------------------------------------------------------------------------
}
#endregion
#region Web Form Designer generated code
override protected void OnInit(EventArgs e)
{
//
// CODEGEN: This call is required by the ASP.NET Web Form Designer.
//
InitializeComponent();
base.OnInit(e);
}
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
this.ddlTotalRec.SelectedIndexChanged += new System.EventHandler(this.ddlTotalRec_SelectedIndexChanged);
this.btnFirstRec.Click += new System.EventHandler(this.btnFirstRec_Click);
this.btnNext.Click += new System.EventHandler(this.btnNext_Click);
this.btnLastRec.Click += new System.EventHandler(this.btnLastRec_Click);
this.Load += new System.EventHandler(this.Page_Load);
}
#endregion
#region LoadDynamicTable()
public void LoadDynamicTable()
{
TextBox _txt;
CheckBox _chk;
LinkButton _lnkBtn;
tr=new TableRow();
TableHeader("Id");
TableHeader("Name");
TableHeader("Links");
TableHeader("SelectOption");
for(int i=0;i<5;i++)
{
tr=new TableRow();
for(int j=0;j<4;j++)
{
TableCell tc=new TableCell();
tc.BorderWidth=1;
switch(j)
{
case 0:
_txt=new TextBox();
_txt.Text=j.ToString();
tc.Controls.Add(_txt);
break;
case 1:
_txt=new TextBox();
_txt.Text=j.ToString();
tc.Controls.Add(_txt);
break;
case 2:
_lnkBtn=new LinkButton();
_lnkBtn.Text="Link"+j;
tc.Controls.Add(_lnkBtn);
_lnkBtn.Click += new EventHandler(LinkClick);
break;
case 3:
_chk=new CheckBox();
_chk.Text="Select";
tc.Controls.Add(_chk);
break;
}
tr.Cells.Add(tc);
}
tbPickList.Rows.Add(tr);
}
}
#endregion
#region LinkClick(Object sender, EventArgs e)
public void LinkClick(Object sender, EventArgs e)
{
}
#endregion
#region TableHeader
public void TableHeader(string strHeaderName)
{
TableHeaderCell tc=new TableHeaderCell();
Literal li=new Literal();
li.Text=strHeaderName;
tc.Controls.Add(li);
tc.BorderWidth=1;
tr.Cells.Add(tc);
tbPickList.Rows.Add(tr);
}
#endregion
#region LoadStyleTable()
public void LoadStyleTable()
{
string[] tmp = new string[10];
string StrDump="San~SD~TYY~JKL~LJLJ~LJLJ~LLJ~LKKL~FG~RE";
tr=new TableRow();
TblHeader("30","Maturity Date");
TblHeader("31","Maturity Date");
TblHeader("31","Maturity Date");
TblHeader("31","Maturity Date");
TblHeader("31","Maturity Date");
TblHeader("11","Maturity Date");
TblHeader("11","Maturity Date");
TblHeader("11","Maturity Date");
TblHeader("11","Maturity Date");
TblHeader("11","Maturity Date");
Table1.Rows.Add(tr);
if (StrDump!= "")
{
tr = new TableRow();
Label _lbl;
TableCell tc;
tmp = StrDump.Split("~".ToCharArray());
Response.Write(tmp.Length);
for(int i = 0; i<10;i++)
{
tc = new TableCell();
_lbl=new Label();
_lbl.Text=tmp[i];
tc.Controls.Add(_lbl);
tr.Cells.Add(tc);
}
Table1.Rows.Add(tr);
}
}
#endregion
#region TblHeader
public void TblHeader(string width,string HeaderName)
{
TableCell tc;
tc=new TableCell();
tc.Text=HeaderName;
//tc.Width.Value;
tc.Width = new Unit("5px");
tc.CssClass="darkgray";
tr.Cells.Add(tc);
}
#endregion
#region Paging
public void ShowPaging()
{
tblPaging.Rows.Clear();
TableRow tr=new TableRow();
TableCell tc;
LinkButton _li;
if((iLastStep==iCntMovePtr && iFirstStepMod != 0) ||(iCntMovePtr == 1 && iTotalPages < iShowNoPage))
{
for(int iIter=zIter;iIter<=jIter-(iShowNoPage-iFirstStepMod);iIter++)
{
tc=new TableCell();
_li=new LinkButton();
_li.ID=Convert.ToString(iIter);
_li.Text=Convert.ToString(iIter);
_li.Click+=new EventHandler(LinkToRecord);
tc.Controls.Add(_li);
tr.Cells.Add(tc);
}
}
else
{
for(int iIter=zIter;iIter<=jIter;iIter++)
{
tc=new TableCell();
_li=new LinkButton();
_li.ID=Convert.ToString(iIter);
_li.Text=Convert.ToString(iIter);
_li.Click+=new EventHandler(LinkToRecord);
tc.Controls.Add(_li);
tr.Cells.Add(tc);
}
}
tblPaging.Rows.Add(tr);
}
#endregion
#region On Page Link Button Click
public void LinkToRecord(object sender,EventArgs e)
{
string strPageNo=((LinkButton)sender).ID;
//Response.Write("LinkButton Clicked "+strPageNo);
Label1.Text="LinkButton Clicked "+strPageNo;
tblPaging.Rows.Clear();
ShowPaging();
}
#endregion
#region Next Navigation
public void btnNext_Click(object sender, System.EventArgs e)
{
btnFirstRec.Visible=true;
btnFirstRec.Visible=true;
tblPaging.Rows.Clear();
if(iLastStep > iCntMovePtr || iCntMovePtr >1)
{
btnPrev.Visible=true;
btnFirstRec.Visible=true;
iCntMovePtr++;
zIter=zIter+iShowNoPage;
jIter=iShowNoPage+jIter;
ShowPaging();
Label1.Text="LinkButton Clicked"+zIter;
if(iCntMovePtr == iLastStep)
{
btnNext.Visible=false;
btnLastRec.Visible=false;
}
}
}
#endregion
#region Previous Navigation Rec
public void btnPrev_Click(object sender, System.EventArgs e)
{
tblPaging.Rows.Clear();
if(iCntMovePtr>1)
{
btnNext.Visible=true;
btnLastRec.Visible=true;
iCntMovePtr--;
zIter=zIter - iShowNoPage;
jIter=jIter - iShowNoPage;
ShowPaging();
Label1.Text="LinkButton Clicked"+zIter;
if(iCntMovePtr==1)
{
btnPrev.Visible=false;
btnFirstRec.Visible=false;
}
}
}
#endregion
#region DropDown event
public void ddlTotalRec_SelectedIndexChanged(object sender, System.EventArgs e)
{
btnNext.Visible=true;
jIter=jVirtualInc;
zIter=zVirtualInc;
iCntMovePtr=1;
btnPrev.Visible=false;
btnFirstRec.Visible=false;
btnLastRec.Visible=true;
CalculatePaging();
}
#endregion
#region CalculatePaging Interval
public void CalculatePaging()
{
iTotalRec=Convert.ToInt16(ddlTotalRec.SelectedValue);
if(iTotalRec % iInitialRecDisplay !=0)
{
iTotalPages=iTotalRec/iInitialRecDisplay +1;
}
else
{
iTotalPages=iTotalRec/iInitialRecDisplay;
}
iFirstStepMod=iTotalPages%iShowNoPage;
// Response.Write("iFirstStepMod"+iFirstStepMod);
if(iFirstStepMod!=0)
{
iLastStep=iTotalPages/iShowNoPage+1;
}
else
{
iLastStep=iTotalPages/iShowNoPage;
}
if(iTotalPages <= iShowNoPage)
{
btnNext.Visible=false;
btnLastRec.Visible=false;
}
if(iTotalRec!=0)
{
ShowPaging();
Label1.Text="LinkButton Clicked 1";
}
else
{
Label1.Text="Sorry No Records found .";
btnLastRec.Visible=false;
btnFirstRec.Visible=false;
btnNext.Visible=false;
btnPrev.Visible=false;
}
}
#endregion
public void btnFirstRec_Click(object sender, System.EventArgs e)
{
btnNext.Visible=true;
jIter=jVirtualInc;
zIter=zVirtualInc;
iCntMovePtr=1;
btnPrev.Visible=false;
btnFirstRec.Visible=false;
btnLastRec.Visible=true;
CalculatePaging();
}
public void btnLastRec_Click(object sender, System.EventArgs e)
{
btnFirstRec.Visible=true;
btnPrev.Visible=true;
iCntMovePtr=iLastStep;
btnNext.Visible=true;
jIter=jVirtualInc*iCntMovePtr;
zIter=jIter-jVirtualInc+1;
btnNext.Visible=false;
btnLastRec.Visible=false;
CalculatePaging();
}
}
}
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