Question : ASP.NET 2.0 Datalist and Paging

I am trying to set up paging with a .NET 2.0 Datalist.  I have pretty much succeeded to implement it using a PagedDataSource.  My only remaining issue is that I want the page controls to look something like:

<| << 1 2 3 4 5 >> |>

I've got it working except that the current page is ALWAYS the first page in the list.  So, if I click on 5, 5 becomes the first item in the list.  With the exception of Page 1 & 2, I'd like the first page in the list to be the third item.  How do I do that?

Here's what I've got:

Dim conn As SqlConnection
        Dim ds As New DataSet

        Dim adapter As SqlDataAdapter

        ' Read the connection string from Web.config
        Dim connectionString As String = ConfigurationManager.ConnectionString.("ConnectionString").ConnectionString

        ' Initialize connection
        conn = New SqlConnection(connectionString)

        'use a stored proc
        'Not getting SQL Statement!
        adapter = New SqlDataAdapter(SqlDataSource7.SelectCommand, conn)

        adapter.Fill(ds)

        Dim objPds As PagedDataSource = New PagedDataSource
        objPds.DataSource = ds.Tables(0).DefaultView

        objPds.AllowPaging = True
        objPds.PageSize = 10

        Dim CurPage As Integer
        Dim LastPage As Integer
        Dim DisplayPages As Integer

        If Not (Request.QueryString("Page") Is Nothing) Then
            CurPage = Convert.ToInt32(Request.QueryString("Page"))
        Else
            CurPage = 1
        End If
        objPds.CurrentPageIndex = CurPage - 1

        LastPage = objPds.PageCount
        DisplayPages = 5

        lblCurrentPage.Text = "Page " + CurPage.ToString + " of " + LastPage.ToString()

        Dim i As Integer
        Dim intMod As Integer
        Dim intDiv As Integer
        For i = 0 To DisplayPages - 1
            Dim lnk As New HyperLink

            intDiv = Fix(CurPage \ DisplayPages)
            intMod = CurPage Mod DisplayPages

            If intMod + intDiv * DisplayPages + i <= LastPage Then
                lnk.ID = "lnk" + (intMod + intDiv * DisplayPages + i).ToString()
                lnk.Text = (intMod + intDiv * DisplayPages + i).ToString()
                lnk.CssClass = "PropertyPageLink"
                lnk.ToolTip = (intMod + intDiv * DisplayPages + i).ToString() + " of " + LastPage.ToString()
                If intMod + intDiv * DisplayPages + i <> CurPage Then
                    lnk.NavigateUrl = Request.CurrentExecutionFilePath + "?Page=" + Convert.ToString(intMod + intDiv * DisplayPages + i) + "&where='" + where + "'"
                End If
                plcPageNumbers.Controls.Add(lnk)

                If intMod + intDiv * DisplayPages + i < LastPage Then
                    Dim lit As New Literal
                    lit.Text = " • "
                    plcPageNumbers.Controls.Add(lit)
                End If

            End If


        Next

        If intMod + intDiv * DisplayPages + i <= LastPage Then
            lblPostPageNumbers.Visible = True
        Else
            lblPostPageNumbers.Visible = False
        End If

        If CurPage > DisplayPages Then
            lblPrePageNumbers.Visible = True
        End If

        If Not objPds.IsFirstPage Then
            lnkPrev.NavigateUrl = Request.CurrentExecutionFilePath + "?Page=" + Convert.ToString(CurPage - 1) + "&where='" + where + "'"
            lnkFirst.NavigateUrl = Request.CurrentExecutionFilePath + "?Page=1&where='" + where + "'"
        End If

        If Not objPds.IsLastPage Then
            lnkNext.NavigateUrl = Request.CurrentExecutionFilePath + "?Page=" + Convert.ToString(CurPage + 1) + "&where='" + where + "'"
            lnkLast.NavigateUrl = Request.CurrentExecutionFilePath + "?Page=" + objPds.PageCount.ToString() + "&where='" + where + "'"
        End If

        ResultsList.DataSource = objPds
        ResultsList.DataBind()

        conn.Close()

Thanks!

Jennifer

Answer : ASP.NET 2.0 Datalist and Paging

You may have a look at the collectionPager, it will make paging a lot of easier instead of doing hard work by your own.

http://www.codeproject.com/aspnet/CollectionPager.asp