Custom Paging of GridView or DataListview or Repeater Control

Sajjad Ahmed
14y
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Code-Behind Code

//Page Load Event
protected void Page_Load(object sender, EventArgs e)
{
   if (!IsPostBack)
   {
   BindMngRegistration();
   }
}

//Load or Bind the Data to Dataset with gridview or Datalist
public void BindMngRegistration()
{
   DataSet ds = BLLRegisrationOnline.ViewManageRegistration();
   _PageDataSource.DataSource = ds.Tables[0].DefaultView;
   _PageDataSource.AllowPaging = true;
   _PageDataSource.PageSize = Convert.ToInt32(GVRegView.PageSize);
   _PageDataSource.CurrentPageIndex = CurrentPage;
   ViewState["TotalPages"] = _PageDataSource.PageCount;
   this.lblPageInfo.Text = "Page " + (CurrentPage + 1) + " of " + _PageDataSource.PageCount;
   this.lbtnPrevious.Enabled = !_PageDataSource.IsFirstPage;
   this.lbtnNext.Enabled = !_PageDataSource.IsLastPage;
   this.lbtnFirst.Enabled = !_PageDataSource.IsFirstPage;
   this.lbtnLast.Enabled = !_PageDataSource.IsLastPage;
   //Bind With Control
   this.GVRegView.DataSource = _PageDataSource;
   this.GVRegView.DataBind();
   this.doPaging();
}

//Write This Code For the Number of Record to display at Lable
protected void dlPaging_ItemDataBound(object sender, DataListItemEventArgs e)
{
    if (e.Item.ItemType != ListItemType.Separator)
    {
        LinkButton lnkbtnPage = (LinkButton)e.Item.FindControl("lnkbtnPaging");
        if (lnkbtnPage.CommandArgument.ToString() == CurrentPage.ToString())
        {
            lnkbtnPage.Enabled = false;
            lnkbtnPage.Style.Add("fone-size", "14px");
            lnkbtnPage.Font.Bold = true;
        }
    }
}

//display the current page of the number of page like (5 of 15)

protected void dlPaging_ItemCommand(object source, DataListCommandEventArgs e)
{
   if (e.CommandName.Equals("Paging"))
   {
   CurrentPage = Convert.ToInt16(e.CommandArgument.ToString());
   this.BindMngRegistration();
   }
}

// Page Datasource Object for pagging
#region PagedDataSource
PagedDataSource _PageDataSource = new PagedDataSource();
#endregion

//Properties of Paging for next,first ,last,previous
#region Private Properties
   private int CurrentPage
   {
   get
   {
   object objPage = ViewState["_CurrentPage"];
   int _CurrentPage = 0;
   if (objPage == null)
   {
   _CurrentPage = 0;
   }
   else
   {
   _CurrentPage = (int)objPage;
   }
   return _CurrentPage;
   }
   set { ViewState["_CurrentPage"] = value; }
   }
   private int fistIndex
   {
   get
   {
   int _FirstIndex = 0;
   if (ViewState["_FirstIndex"] == null)
   {
   _FirstIndex = 0;
            }
   else
   {
   _FirstIndex = Convert.ToInt32(ViewState["_FirstIndex"]);
   }
   return _FirstIndex;
   }
   set { ViewState["_FirstIndex"] = value; }
   }
   private int lastIndex
   {
   get
   {
   int _LastIndex = 0;
   if (ViewState["_LastIndex"] == null)
   {
   _LastIndex = 0;
   }
   else
   {
   _LastIndex = Convert.ToInt32(ViewState["_LastIndex"]);
   }
   return _LastIndex;
   }
   set { ViewState["_LastIndex"] = value; }
   }
   #endregion

//Events of Paging
#region "Custom Paging"
   protected void lbtnFirst_Click(object sender, EventArgs e)
   {
   CurrentPage = 0;
   this.BindMngRegistration();
   }
   protected void lbtnPrevious_Click(object sender, EventArgs e)
   {
   CurrentPage -= 1;
   this.BindMngRegistration();
   }
   protected void lbtnNext_Click(object sender, EventArgs e)
   {
   CurrentPage += 1;
   this.BindMngRegistration();
   }
   protected void lbtnLast_Click(object sender, EventArgs e)
   {
   CurrentPage = (Convert.ToInt32(ViewState["TotalPages"]) - 1);
   this.BindMngRegistration();
   }
   #endregion

//total Pages
private void doPaging()
   {
   DataTable dt = new DataTable();
   dt.Columns.Add("PageIndex");
   dt.Columns.Add("PageText");
   fistIndex = CurrentPage - 5;
   if (CurrentPage > 5)
   {
   lastIndex = CurrentPage + 5;
   }
   else
   {
   lastIndex = 10;
   }
   if (lastIndex > Convert.ToInt32(ViewState["TotalPages"]))
   {
   lastIndex = Convert.ToInt32(ViewState["TotalPages"]);
   fistIndex = lastIndex - 10;
   }
   if (fistIndex < 0)
   {
   fistIndex = 0;
   }
   for (int i = fistIndex; i < lastIndex; i++)
   {
   DataRow dr = dt.NewRow();
   dr[0] = i;
   dr[1] = i + 1;
   dt.Rows.Add(dr);
   }
   this.dlPaging.DataSource = dt;
   this.dlPaging.DataBind();
   }

Client- Side Code

<div style="float:right;">
     <table cellpadding="0" border="0">
   <tr><td>
   <asp:Label ID="lblPageInfo" runat="server"></asp:Label>
     </td><td>  </td>
   <td align="right">
   <asp:LinkButton ID="lbtnFirst" runat="server"
   CausesValidation="false" OnClick="lbtnFirst_Click" CssClass="paging">First</asp:LinkButton>
    </td>
   <td align="right">
   <asp:LinkButton ID="lbtnPrevious" CssClass="paging" runat="server"
   CausesValidation="false" OnClick="lbtnPrevious_Click">Previous</asp:LinkButton>  </td>
   <td align="center" valign="middle">
   <asp:DataList ID="dlPaging" runat="server" RepeatDirection="Horizontal" OnItemCommand="dlPaging_ItemCommand"
   OnItemDataBound="dlPaging_ItemDataBound">
   <ItemTemplate>
   <asp:LinkButton CssClass="paging" ID="lnkbtnPaging" runat="server" CommandArgument='<%# Eval("PageIndex") %>'
   CommandName="Paging" Text='<%# Eval("PageText") %>'></asp:LinkButton> 
   </ItemTemplate>
   <SeparatorTemplate> | </SeparatorTemplate>
   </asp:DataList>
   </td>
   <td align="left">
     <asp:LinkButton CssClass="paging" ID="lbtnNext" runat="server" CausesValidation="false"
   OnClick="lbtnNext_Click">Next</asp:LinkButton></td>
   <td align="left">
    
   <asp:LinkButton ID="lbtnLast" runat="server" CausesValidation="false" OnClick="lbtnLast_Click" CssClass="paging">Last</asp:LinkButton></td>
   <td style="padding-left:5px;"> </td>
                  </tr>
   <tr>
   <td colspan="7" align="center" style="display:none;" valign="middle">
    </td>
   </tr>
   </table></div>