How can I include two dynamic elements in the NavigateURL correctly?
I have a grid view using bound, hyper link and template fields.
I am trying to figure out how to properly include two dynamic elements in a NavigateURL with both a control Lo-Fi:HyperLink
and a control Hi-Fi:HyperLink
. I know how to do this with the HyperLinkField as in the second but I cannot use that inside the template column.
I need to bind the element <%# Eval("Locker_LO_Filename")%>
I am using for the text property at the end of the url where {1} is currently located.
<asp:GridView ID="gvLocker" runat="server" HeaderStyle-BackColor="Goldenrod"
HeaderStyle-ForeColor="DarkBlue" AlternatingRowStyle-BackColor="Cornsilk"
Font-Names="Verdana,arial,helvetica" AutoGenerateColumns="False" Font- Size="13px" Width="640px" BorderColor="#404040">
<Columns>
<asp:BoundField DataField="memid" HeaderText="MemID" ReadOnly="True" SortExpression="memid"
Visible="False" HeaderStyle-Font-Size="13px" />
<asp:HyperLinkField DataNavigateUrlFormatString="myLockerEditSong.aspx?ID={0}&li={1}"
DataTextField="EditIt" DataNavigateUrlFields="memid,lockid" HeaderStyle-Font-Size="13px">
<ItemStyle Width="65px" Font-Size="13px" />
</asp:HyperLinkField>
<asp:HyperLinkField DataNavigateUrlFormatString="myLockerDeleteSong.aspx?ID={0}&li={1}"
DataTextField="Delete" DataNavigateUrlFields="memid,lockid" HeaderStyle-Font-Size="13px">
<ItemStyle Width="65px" Font-Size="13px" />
</asp:HyperLinkField>
<asp:TemplateField HeaderText="Song Information" HeaderStyle-Font-Size="13px">
<ItemTemplate>
<strong><asp:Label ID="Label1" runat="server" Text='<%# Eval("Locker_Title") %>'></asp:Label></strong><br />
Lo-Fi:<asp:HyperLink ID="HyperLink1" runat="server" NavigateUrl='<%# Eval("memid", "/uploads/{0}/Locker/LoFi/{1}") %>'
Text='<%# Eval("Locker_LO_Filename") %>' Font-Size="13px"></asp:HyperLink><br />
Hi-Fi:<asp:HyperLink ID="HyperLink2" runat="server" NavigateUrl='<%# Eval("memid", "/uploads/{0}/Locker/HiFi/{1}") %>'
Text='<%# Eval("Locker_HI_Filename") %>' Font-Size="13px"></asp:HyperLink>
</ItemTemplate>
<ItemStyle Width="350px" Font-Size="13px" />
</asp:TemplateField>
<asp:TemplateField HeaderText="File Information" SortExpression="Locker_UploadDate" HeaderStyle-Font-Size="13px">
<ItemTemplate>
<strong>Uploaded:</strong> <asp:Label ID="Label2" runat="server" Text='<%# Eval("Locker_UploadDate") %>'></asp:Label><br />
<strong>Modified:</strong> <asp:Label ID="Label3" runat="server" Text='<%# Eval("Locker_DateLastModified") %>'></asp:Label>
<ItemStyle Font-Size="13px" />
</ItemTemplate>
</asp:TemplateField>
</Columns>
<HeaderStyle BackColor="#FFDF59" ForeColor="Maroon" HorizontalAlign="Left" />
<AlternatingRowStyle BackColor="PaleGoldenrod" />
</asp:GridView>
Instead of using <% # Eval (..)%> use the following.
<%# FormatHiFi(DataBinder.Eval(Container.DataItem, "Locker_Title"), DataBinder.Eval(Container.DataItem, "OtherStringName"))%>
This will call some code on the code page (see below) that will format the string as needed.
protected string FormatHiFi(object str1, object str2)
{
return string.Format("/uploads/{0}/Locker/HiFi/{1}", str1.ToString(), str2.ToString())
}
The same can be used for Lo-Fi as well. I hope this helps, and if not at least point in the right direction.
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Take a look at the event GridView
RowDataBound
. You need something like this (untested):
void gvLocker_RowDataBound(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType == DataControlRowType.DataRow)
{
// I'm not sure what kind of data object you use as your datasource,
// but dataItem should have some type.
MyObject dataItem = e.Row.DataItem;
// Find the right control inside the row and set its Text property.
HyperLink link = (HyperLink) e.Row.FindControl("HyperLink1");
link.Text = dataItem.Locker_LO_Filename;
}
}
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