ASP.NET

        SqlConnection conn = new SqlConnection(ConnectionPath);
        conn.Open();
        string queryClasses = "SELECT WSS_Content.dbo.AllDocs.LeafName FROM 
WSS_Content.dbo.AllDocs LEFT OUTER JOIN WSS_Content.dbo.RecycleBin ON WSS_Content.dbo.AllDocs.Id = 
WSS_Content.dbo.RecycleBin.DocId WHERE (WSS_Content.dbo.RecycleBin.DocId IS NULL) AND (WSS_Content.dbo.AllDocs.Extension = 'zip')";
        SqlCommand availableClasses = new SqlCommand(queryClasses, conn);
        SqlDataReader reader = availableClasses.ExecuteReader();
        SQLQueryClassListings.DataSource = reader;
        SQLQueryClassListings.DataBind();
        reader.Close();

    <asp:GridView ID="SQLQueryClassListings" AutoGenerateColumns="false" runat="server" 
BorderWidth="1px" BackColor="White" CellPadding="5" BorderColor="DodgerBlue" HeaderStyle-
BackColor="#0147FA" HeaderStyle-ForeColor="White">
        <Columns>
        <asp:BoundField HeaderText="Class Titles" DataField="LeafName" />
        <asp:ButtonField ButtonType="Button" HeaderText="Register" Text="Register"/>
        </Columns>
    </asp:GridView>