我想从gridview中删除此列我尝试在grdiview的下拉列表中添加值但是当我添加它时它工作正常但是这个黑色的列出现......我如何删除它..
grdiview html
<asp:BoundField DataField="DocType" HeaderText="Document" />
<asp:BoundField DataField="DepType" HeaderText="Department" />
<asp:BoundField HeaderText="ApproveID" DataField="ApproveID"
></asp:BoundField>
<asp:TemplateField>
<ItemTemplate>
<asp:Label ID="lblCountry" runat="server" Text='<%#
Eval("ApproveID") %>' Visible = "false" />
<asp:DropDownList ID="DropDownList4" runat="server"
class="vpb_dropdown">
</asp:DropDownList>
</ItemTemplate>
</asp:TemplateField>
</Columns>