Image upload code like this..
<asp:gridview id="GridView1" runat="server" autogeneratecolumns="False" xmlns:asp="#unknown">
Height="16px" Width="100px">
<columns>
<asp:imagefield headertext="Profile Picture" dataimageurlfield="Path" />
</columns>
</asp:gridview>
public void fill()
{
string name = Application["Name"].ToString();
SqlDataAdapter da = new SqlDataAdapter("select Path from tbl_imageupload where UserName ='" + name + "'", con);
DataTable dt1 = new DataTable();
da.Fill(dt1);
GridView1.DataSource = dt1;
GridView1.DataBind();
}