news_view.aspx

Club Site Starter Kit.rar .net 压缩包解压时不能有密码。

<%@ Page Language="C#" MasterPageFile="~/Default.master" Title="Untitled Page" %>

<%@ Register TagPrefix="Club" Namespace="ClubSite" %>
<%@ Register TagPrefix="Club" TagName="LoginBanner" Src="LoginBanner.ascx" %>
<%@ Register TagPrefix="Club" TagName="ImageThumbnail" Src="ImageThumbnail.ascx" %>

<%@ Import Namespace="System.Data" %>
<%@ Import Namespace="System.Data.SqlClient" %>

<script runat="server">

    private int nextArticleID;
    private int prevArticleID;
    const int INVALIDID = -1;

    protected void Page_Load(object sender, System.EventArgs e)
    {
        if (!IsPostBack)
        {
            InitDatasources();
        }
    }

    protected void FormView1_DataBound(object sender, System.EventArgs e)
    {
        DataRowView view = (DataRowView)(FormView1.DataItem);
        object o = view["staticURL"];
        if (o != null && o !=DBNull.Value)
        {
            string staticurl = (string)o;
            if (staticurl != "")
            {
                Response.Redirect(staticurl);
            }
        }
    }

    protected void nextButton_Click(object sender, System.EventArgs e)
    {
        InitValsFromSql(ArticleID);
        if (nextArticleID != INVALIDID)
        {
            prevArticleID = ArticleID;
            ArticleID = nextArticleID;
            InitDatasources();
        }
        ToggleLinks();
    }

    protected void prevButton_Click(object sender, System.EventArgs e)
    {
        InitValsFromSql(ArticleID);
        if (prevArticleID != INVALIDID)
        {
            nextArticleID = ArticleID;
            ArticleID = prevArticleID;
            InitDatasources();
        }
        ToggleLinks();
    }

    void InitDatasources()
    {
        PhotoPanel.Visible = true;
        SqlDataSource1.SelectParameters["id"].DefaultValue = System.Convert.ToString(ArticleID);
        SqlDataSource2.SelectParameters["id"].DefaultValue = System.Convert.ToString(ArticleID);
    }

    void ToggleLinks()
    {
        LinkButton1.Enabled = (nextArticleID != INVALIDID);
        LinkButton3.Enabled = (nextArticleID != INVALIDID);
        LinkButton2.Enabled = (prevArticleID != INVALIDID);
        LinkButton4.Enabled = (prevArticleID != INVALIDID);
    }

    int ArticleID
    {
        get
        {
            int m_articleID;
            object id = ViewState["ArticleId"];
            if (id != null)
            {
                m_articleID = System.Convert.ToInt32(id);
            }
            else
            {
                id = Request.QueryString["ArticleId"];
                if (id != null)
                {
                    m_articleID = System.Convert.ToInt32(id);
                }
                else
                {
                    m_articleID = 1;
                }
                ViewState["ArticleId"] = m_articleID;
            }
            return m_articleID;
        }
        set
        {
            ViewState["ArticleId"] = value;
        }
    }

    void InitValsFromSql(int ArticleID)
    {
        try
        {
            SqlConnection connection = new SqlConnection(ConfigurationManager.ConnectionStrings["ClubSiteDB"].ConnectionString);
            SqlCommand command = new SqlCommand("dbo.NextPrevAnnouncement", connection);
        
            SqlParameter param0 = new SqlParameter("@id", ArticleID);
            SqlParameter param1 = new SqlParameter("@previd", INVALIDID);
            SqlParameter param2 = new SqlParameter("@nextid", INVALIDID);
            
            param1.Direction = ParameterDirection.InputOutput;
            param2.Direction = ParameterDirection.InputOutput;
            
            command.Parameters.Add(param0);
            command.Parameters.Add(param1);
            command.Parameters.Add(param2);
            
            command.CommandType = CommandType.StoredProcedure;
            connection.Open();
            command.ExecuteNonQuery();
            if (param1.Value != null && param1.Value != DBNull.Value)
            {
                prevArticleID = Convert.ToInt32(param1.Value);
            }
            else
            {
                prevArticleID = INVALIDID;
            }
            if (param2.Value != null && param2.Value != DBNull.Value)
            {
                nextArticleID = Convert.ToInt32(param2.Value);
            }
            else
            {
                nextArticleID = INVALIDID;
            }
            connection.Close();
        }
        catch
        {
            prevArticleID = INVALIDID;
            nextArticleID = INVALIDID;
        }
    }

    protected void SqlDataSource2_Selected(object sender, System.Web.UI.WebControls.SqlDataSourceStatusEventArgs e)
    {
        PhotoPanel.Visible = (e.AffectedRows != 0);
    }
</script>

<asp:Content ID="Content1" ContentPlaceHolderID="ContentPlaceHolder1" runat="Server">
    <div id="body">
        <Club:LoginBanner ID="LoginBanner1" runat="server" />
        <!--
        
        Left column
        
        -->
        <div id="columnleft">
            <a name="content_start" id="content_start"></a>
            <div class="leftblock">
                <h2>
                    News Articles</h2>
                <p>
                    Lorem ipsum dolor sit amet, consectetuer adipiscing elit, sed diam nonummy nibh
                    euismod tincidunt ut laoreet dolore magna aliquam erat volutpat. Ut wisi enim ad
                    minim veniam, quis nostrud exercitation ulliam corper suscipit lobortis nisl ut
                    aliquip ex ea commodo consequat. Duis autem veleum iriure dolor in hendrerit in
                    vulputate velit esse molestie consequat, vel willum lunombro dolore eu feugiat nulla
                    facilisis at vero eros et accumsan et iusto odio dignissim qui blandit praesent
                    luptatum zzril delenit augue duis dolore te feugait nulla facilisi.</p>
            </div>
            <asp:SqlDataSource ID="SqlDataSource2" runat="server" ConnectionString="<%$ ConnectionStrings:ClubsiteDB %>"
                SelectCommand="SELECT images.id, images.album, images.title FROM images, announcements WHERE images.album=announcements.albumid AND announcements.id=@id"
                OnSelected="SqlDataSource2_Selected">
                <SelectParameters>
                    <asp:Parameter Type="Int32" DefaultValue="1" Name="id"></asp:Parameter>
                </SelectParameters>
            </asp:SqlDataSource>
            <asp:Panel ID="PhotoPanel" runat="server" CssClass="leftblock">
                <h2>
                    Associated Album photos</h2>
                <asp:DataList ID="DataList2" runat="server" DataSourceID="SqlDataSource2" DataKeyField="id"
                    RepeatColumns="2" CellSpacing="2" SelectedIndex="0" ItemStyle-CssClass="unselected">
                    <ItemTemplate>
                        <a href='photoalbum_contents.aspx?Albumid=<%#Eval("album") %>'>
                            <asp:Image ID="Image1" ImageUrl='<%# "imagefetch.ashx?size=1&imageid=" + Convert.ToString(Eval("id")) %>'
                                runat="server" /><br />
                            <asp:Label Text='<%# Eval("title") %>' runat="server" ID="titleLabel" />
                        </a>
                    </ItemTemplate>
                </asp:DataList>
            </asp:Panel>
        </div>
        <!--
        
        Right column
        
        -->
        <div id="columnright">
            <div class="rightblock">
                <a href="news_list.aspx">News Article List</a></div>
            <div class="rightblock">
                <div class="nextlink">
                    <asp:LinkButton ID="LinkButton1" runat="server" OnClick="nextButton_Click">Next Article &raquo;</asp:LinkButton>
                </div>
                <asp:LinkButton ID="LinkButton2" runat="server" OnClick="prevButton_Click">&laquo; Previous article</asp:LinkButton>
                <div class="dashedline">
                </div>
                <asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:ClubSiteDB %>"
                    SelectCommand="SELECT id, itemdate, title, description, photo, albumid, staticURL FROM Announcements WHERE (id = @id)">
                    <SelectParameters>
                        <asp:Parameter Type="Int32" DefaultValue="1" Name="id"></asp:Parameter>
                    </SelectParameters>
                </asp:SqlDataSource>
                <asp:FormView ID="FormView1" runat="server" DataSourceID="SqlDataSource1" DataKeyNames="id"
                    Width="444px" OnDataBound="FormView1_DataBound">
                    <ItemTemplate>
                        <h2>
                            <asp:Label Text='<%# Eval("title") %>' runat="server" ID="titleLabel" />
                        </h2>
                        <div class="itemdetails">
                            <p>
                                <asp:Label Text='<%# Eval("itemdate","{0:D}") %>' runat="server" ID="itemdateLabel" />
                            </p>
                        </div>
                        <Club:ImageThumbnail ID="thumb1" runat="server" ImageSize="large" PhotoID='<%# Eval("photo") %>' />
                        <p>
                            <asp:Label Text='<%# Eval("description") %>' runat="server" ID="descriptionLabel" />
                        </p>
                        <asp:Panel runat="server" ID="panel1" CssClass="actionbuttons" Visible='<%# User.IsInRole("Administrators") %>'>
                            <Club:RolloverLink ID="editbtn" runat="server" Text="Edit Article" NavigateURL='<%# "news_edit.aspx?ArticleID=" + Convert.ToString( ArticleID )%>' />
                        </asp:Panel>
                    </ItemTemplate>
                </asp:FormView>
                <div class="dashedline">
                </div>
                <div class="nextlink">
                    <asp:LinkButton ID="LinkButton3" runat="server" OnClick="nextButton_Click">Next Article &raquo;</asp:LinkButton>
                </div>
                <asp:LinkButton ID="LinkButton4" runat="server" OnClick="prevButton_Click">&laquo; Previous Article</asp:LinkButton>
            </div>
        </div>
        <div class="clear2column">
        </div>
    </div>
</asp:Content>