CODEWITHSUNDEEP
c#asp.nethyperlinkquery-string
Hossein alibabaei
Hossein alibabaei

Reputation: 21

use to parameter for querystring with Eval

I have a datalist and there is a hyperlink in that, in navigateurl I want use of QueryString. This is the DataSource of an asp:DataList:

 public void GalleryListDS()
    {

        int UserID = Convert.ToInt32(ViewState["UserID"]);

        var n = from gi in DataContext.Context.GalleryImages
                join g in DataContext.Context.Galleries
                on gi.GalleryID equals g.GalleryID
                where g.UserID == UserID && gi.IsAlbumImage == true
                select new
                {
                    UserID=g.UserID,
                    GalleryID = g.GalleryID,
                    ImageDescription = gi.ImageDescription,
                    GalleryName=g.GalleryName,
                    ImageFileName = gi.ImageFileName
                };

        dlGalleryList.DataSource = n;
        dlGalleryList.DataBind();

    }

And this is my DataList:

 <asp:DataList ID="dlGalleryList" runat="server" RepeatColumns="3">
        <ItemTemplate>
            <div class="gallery">
              <asp:HyperLink ID="HyperLink1" runat="server" NavigateUrl='<%# Eval("GalleryID","~/Profile/UserImages.aspx?ImgID={0}") %>'>
                '<%# Eval("GalleryName")%>'
            </asp:HyperLink>
            </div>
        </ItemTemplate>
    </asp:DataList>

I want my QueryString to have a Parameter like so:

  <asp:HyperLink ID="HyperLink1" runat="server" NavigateUrl='<%# Eval("GalleryID","UserID","~/Profile/UserImages.aspx?ImgID={0}&ProfileID={1}") %>'>

but this does not achieve the desired result.

Upvotes: 0

Views: 3982

Answers (3)

R.C
R.C

Reputation: 10565

Eval has the syntax:

public static string Eval(
    Object container,
    string expression,
    string format
)

[ You can skip the Container by the way, ] Use : 

NavigateUrl='<%#CombinePath(
DataBinder.Eval(Container.DataItem,"GalleryID","~/Profile/UserImages.aspx?ImgID={0}").ToString(),
DataBinder.Eval(Container.DataItem,"UserID","&ProfileID={0}").ToString()) %>'

Upvotes: 1

Bibhu
Bibhu

Reputation: 4081

You can do in this way

<asp:HyperLink ID="HyperLink1" runat="server" NavigateUrl='<%= "~/Profile/UserImages.aspx?ImgID=" + Eval("GalleryID") + "&ProfileID=" + Eval("UserID") %>'>

Upvotes: 0

Microsoft DN
Microsoft DN

Reputation: 10030

use <%= instead of <%#

like-

NavigateUrl='<%= Eval("GalleryID","UserID","~/Profile/UserImages.aspx?ImgID={0}&ProfileID={1}") %>'

Upvotes: 1

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