Ai estao os arquivos.
Realmente nao entendo pq o Viewstate nao esta sendo mantido.
Na 1a execucao eu tenho um session que vem de outra pagina (keywordsOriginal).
Entao passo o valor dele pra um viewstate e libero a session do servidor.
Assim eu manteria todo o estado desta pagina atraves do viewstate.
Mas ele nao esta mantendo o estado.
ARQUIVO ASPX
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="testeViewstate.aspx.cs" Inherits="WEB.testeViewstate" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<table width="100%">
<tr>
<td align="left" colspan="2"><asp:Label ID="lblOriginal" runat="server" Text=""></asp:Label></td>
</tr>
</table>
<br />
<asp:ListView ID="lv" runat="server" ItemPlaceholderID="itemPlaceHolder"
ondatabound="lv_DataBound"
onpagepropertieschanging="lv_PagePropertiesChanging1">
<LayoutTemplate>
<asp:PlaceHolder runat="server" ID="itemPlaceholder"></asp:PlaceHolder>
</LayoutTemplate>
<ItemTemplate>
<strong><asp:Label ID="lblTitulo" runat="server" Text=""></asp:Label><%# Eval("Titulo") %></strong>
<br />
</ItemTemplate>
</asp:ListView>
<asp:DataPager ID="dataPagerL" runat="server" PagedControlID="lv" QueryStringField="p">
<Fields>
<asp:NextPreviousPagerField ButtonType="Button" ShowFirstPageButton="true" FirstPageText="Primeira" ShowNextPageButton="false" ShowPreviousPageButton="false" />
<asp:NumericPagerField ButtonType="Button" ButtonCount="15" NextPageText="..." PreviousPageText="..." />
<asp:NextPreviousPagerField ButtonType="Button" ShowLastPageButton="true" LastPageText="Última" ShowPreviousPageButton="False" ShowNextPageButton="false" />
</Fields>
</asp:DataPager>
</form>
</body>
</html>
ARQUIVO CS
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Text;
using ClassLibrary;
using FRAMEWORK;
namespace WEB
{
public partial class testeViewstate : System.Web.UI.Page
{
string keywords;
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
keywords = Request.QueryString["k"];
ViewState["keywords"] = keywords;
if (Session["keywordsOriginal"] != null)
{
ViewState["keywordsOriginal"] = Session["keywordsOriginal"].ToString();
Session.Remove("keywordsOriginal");
}
PesquisarLinks(0, keywords);
}
}
private void PesquisarLinks(int paginaAtual, string keywordsComposta)
{
ObjectDataSource ds = new ObjectDataSource();
ds.EnablePaging = true;
ds.StartRowIndexParameterName = "pCorrente";
ds.MaximumRowsParameterName = "ppPagina";
ds.TypeName = "FRAMEWORK.Link";
ds.SelectCountMethod = "RetornoRegistros";
ds.SelectMethod = "SelectLinks";
ds.SelectParameters.Add("ppPaginaCorrente", paginaAtual.ToString());
ds.SelectParameters.Add("pPalavraChave", keywordsComposta);
lv.DataSource = ds;
lv.DataBind();
}
protected void lv_DataBound(object sender, EventArgs e)
{
lblOriginal.Text = ViewState["keywordsOriginal"].ToString();
}
protected void lv_PagePropertiesChanging1(object sender, PagePropertiesChangingEventArgs e)
{
string a = ViewState["keywordsOriginal"].ToString();
int pageindex = e.StartRowIndex / e.MaximumRows;
dataPagerL.SetPageProperties(pageindex * dataPagerL.PageSize, dataPagerL.MaximumRows, false);
PesquisarLinks(pageindex, ViewState["keywords"].ToString());
}
}
}
Valeu
