Hi,

Take a look at this article...

http://msdn2.microsoft.com/en-us/library/aa479350.aspx

do check out how ResolveUrl method is used.

Thanks
Masudur

Hi Dan,

Your question here is to how to add some custom path into the GridView
imagefield. Generally, you can use the "DataImageUrlField" and
"DataImageUrlFormatString" property to provide basic url and formatting
info. For example:

<asp:ImageField DataImageUrlField="title"
DataImageUrlFormatString="query.aspx?title={0}" ></asp:ImageField>

this can help you generate composite url path from the databound field
value. However, if you want further customization, I think you may consider
either of the following means:

1. You can use TemplateField and manuallyl put <asp:Image > control in it.
Thus, you can use inline databinding expression and  inject the Image path
generation code logic into the databinding expression(you can define a
custom function in codebehind and call it).

=================
...............
   <ItemTemplate>
                   <asp:Label ID="Label1" runat="server" Text='<%#
Bind("name") %>'></asp:Label>
                   
                    <asp:Image ID="img" runat="server" ImageUrl='<%#  
Your binding function or code logic here%>' />
              </ItemTemplate>
           </asp:TemplateField>
=========================

2. You can also use the RowDataBound event of Gridview. There, you can
access the databound fields and customize existing controls in the GridView
cell. e.g.

============
 protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs
e)
   {
       Trace.Write("GridView1_RowDataBound");
       if (e.Row.RowType == DataControlRowType.DataRow)
       {

           DataRowView drv = (DataRowView)e.Row.DataItem;

           long id = (long)drv[0];

           Image img = e.Row.FindControl("img") as Image;
           img.ImageUrl = ......;

       }
   }

============

Hope this helps.

Sincerely,

Steven Cheng

Microsoft MSDN Online Support Lead

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