怎么控制弹出窗体大小？？？？

<asp:TemplateColumn HeaderText="请购件号">
              <HeaderStyle Wrap="False"></HeaderStyle>
              <ItemStyle Wrap="False" Horiz></ItemStyle>
              <ItemTemplate>
               <A href='checkchild.aspx?Qpur_flowsn=<%# DataBinder.Eval(Container, "DataItem.purmf_flowsn") %>&Qpur_dpno=<%# DataBinder.Eval(Container, "DataItem.purmf_dpno")%>&Qpur_model=<%# DataBinder.Eval(Container, "DataItem.purmfmodel")%>&Qpur_vendor=<%# DataBinder.Eval(Container, "DataItem.purmfvendor")%>' Target= "_blank " "width=100,height=300 resizable=yes,status=yes,toolbar=no,menubar=no,scrollbars=yes">
               <asp:Label runat="server" Text='<%# DataBinder.Eval(Container, "DataItem.purmf_dpno") %>' ID="lblColumn1" >
               </asp:Label></A>
              </ItemTemplate>

我上面写的应该是可以控制的呀，可是还是不行哦，不知道啥原因，高手赐教