Здравствуйте! Нашел пример как работать с изображениями, но выходит ошибка.
Пример: http://msdn.microsoft.com/en-us/library/aa479350.aspx
Код шибки:The name 'ResolveUrl' does not exist in the current context

<asp:GridView ID="GridView1" Runat="server" AutoGenerateColumns="False"
BackColor="White" BorderColor="#CCCCCC" BorderStyle="None" BorderWidth="1px"
CellPadding="3" DataSource="<%# SqlData.GetData() %>" Font-Names="Arial">
<FooterStyle BackColor="White" ForeColor="#000066" />
<PagerStyle BackColor="White" ForeColor="#000066" HorizontalAlign="Left" />
<HeaderStyle BackColor="#006699" Font-Bold="True" ForeColor="White" />
<Columns>
<asp:BoundField DataField="PictureID" HeaderText="Picutre ID">
<ItemStyle HorizontalAlign="Center" VerticalAlign="Middle" />
</asp:BoundField>
<asp:BoundField DataField="Title" HeaderText="Title" />
<asp:BoundField DataField="DateAdded" DataFormatString="{0:d}"
HeaderText="Date Added">
<ItemStyle HorizontalAlign="Center" />
</asp:BoundField>
<asp:ImageField DataImageUrlField="PictureURL">
</asp:ImageField>
</Columns>
<SelectedRowStyle BackColor="#669999" Font-Bold="True" ForeColor="White" />
<RowStyle ForeColor="#000066" />
</asp:GridView>

public static DataTable GetData()
{
// This method creates a DataTable with four rows. Each row has the
// following schema:
// PictureID int
// PictureURL string
// Title string
// DateAdded datetime
DataTable dt = new DataTable();
// define the table's schema
dt.Columns.Add(new DataColumn("PictureID", typeof(int)));
dt.Columns.Add(new DataColumn("PictureURL", typeof(string)));
dt.Columns.Add(new DataColumn("Title", typeof(string)));
dt.Columns.Add(new DataColumn("DateAdded", typeof(DateTime)));
// Create the four records
DataRow dr = dt.NewRow();
dr["PictureID"] = 1;
dr["PictureURL"] = ResolveUrl("~/DisplayingImages/Images/Blue hills.jpg");
dr["Title"] = "Blue Hills";
dr["DateAdded"] = new DateTime(2005, 1, 15);
dt.Rows.Add(dr);
dr = dt.NewRow();
dr["PictureID"] = 2;
dr["PictureURL"] = ResolveUrl("~/DisplayingImages/Images/Sunset.jpg");
dr["Title"] = "Sunset";
dr["DateAdded"] = new DateTime(2005, 1, 21);
dt.Rows.Add(dr);
dr = dt.NewRow();
dr["PictureID"] = 3;
dr["PictureURL"] = ResolveUrl("~/DisplayingImages/Images/Water lilies.jpg");
dr["Title"] = "Water Lilies";
dr["DateAdded"] = new DateTime(2005, 2, 1);
dt.Rows.Add(dr);
dr = dt.NewRow();
dr["PictureID"] = 4;
dr["PictureURL"] = ResolveUrl("~/DisplayingImages/Images/Winter.jpg");
dr["Title"] = "Winter";
dr["DateAdded"] = new DateTime(2005, 2, 18);
dt.Rows.Add(dr);
return dt;
}