删除c#中GridViewRow的上边框

protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
{
    if (e.Row.RowType == DataControlRowType.DataRow)
    {
        e.Row.Style["border-top"] = "none";
    }
}

<asp:GridView ID="GridView1" runat="server" OnRowDataBound="GridView1_RowDataBound">
    <!-- GridView的列定义 -->
</asp:GridView>