using System;
using System.Data;
using System.Web.UI.WebControls;
using UG.Common;

public partial class FAQ : System.Web.UI.Page
{
    PagedDataSource pg;
    public int PageIndex
    {
        set
        {
            ViewState["PageIndex"] = value;
        }
        get
        {
            return ((int)ViewState["PageIndex"]);
        }
    }

    public int PageSize
    {
        get
        {
            return ((int)ViewState["PageSize"]);
        }
        set
        {
            ViewState["PageSize"] = value;
        }
    }

    protected void Page_Load(object sender, EventArgs e)
    {
        if (!Page.IsPostBack)
        {
            this.PageIndex = 0;
            BindList();
        }
    }
    private void BindList()
    {
        UG.Common.FAQ objFAQ = new UG.Common.FAQ();
        try
        {
            DataTable dt = objFAQ.GetFAQ();
            pg = new PagedDataSource();
            if (dt.Rows.Count > 20)
            {
                trPaging.Visible = true;
            }
            else
            {
                trPaging.Visible = false;
            }
            pg.DataSource = dt.DefaultView;
            pg.AllowPaging = true;
            pg.PageSize = 20;
            try
            {
                pg.CurrentPageIndex = this.PageIndex;
            }
            catch
            {
                pg.CurrentPageIndex = 0;
            }
            lnkNext.Enabled = !pg.IsLastPage;
            lnkPrev.Enabled = !pg.IsFirstPage;

            if (dt.Rows.Count <= 0)
            {
                lnkPrev.Enabled = false;
                lnkNext.Enabled = false;
            }
            lblPage.Text = "Page : " + (pg.CurrentPageIndex + 1).ToString();

            dlFAQW.DataSource = pg;
            dlFAQW.DataBind();
        }
        catch (Exception ex)
        {
            Microsoft.Practices.EnterpriseLibrary.ExceptionHandling.ExceptionPolicy.HandleException(ex, "Business Exception Policy");
            lblError.Text = "Some error occured.";
            //throw;
        }
    }
    protected void lnkPrev_Click(object sender, EventArgs e)
    {
        try
        {
            this.PageIndex -= 1;
            BindList();
        }
        catch(Exception ex)
        {
            Microsoft.Practices.EnterpriseLibrary.ExceptionHandling.ExceptionPolicy.HandleException(ex, "Business Exception Policy");
            lblError.Text = "Some error occured.";
            //throw;
        }
    }
    protected void lnkNext_Click(object sender, EventArgs e)
    {
        try
        {
            this.PageIndex += 1;
            BindList();
        }
        catch(Exception ex)
        {
            Microsoft.Practices.EnterpriseLibrary.ExceptionHandling.ExceptionPolicy.HandleException(ex, "Business Exception Policy");
            lblError.Text = "Some error occured.";
            //throw;
        }
    }
}