怎么获取gridview<FooterTemplate>中控件的ID

Question

<asp:TemplateField HeaderText="单位">
                  <EditItemTemplate>
                   <asp:TextBox runat="server" ID="EditUnit" Text='<%# Bind("iunit") %>' Width="200px"/>
                   </EditItemTemplate>
                  <ItemTemplate>
                      <asp:Label ID="lbIunit" runat="server" Text='<%# Bind("iunit") %>'></asp:Label>
                  </ItemTemplate>
                  <FooterTemplate>
                      <asp:TextBox ID="txtUnit" runat="server" Width="200px" Onclick="chose()"></asp:TextBox>
                  </FooterTemplate>
              </asp:TemplateField>
怎么获取TextBox的ID？

Answer 1

string =((TextBox)gridview.FooterRow.FindControl("txtUnit")).Text.Trim();