根据Eval()函数绑定的值,来显示GridView中的控件的方法

asp:TemplateField HeaderText="操作" ShowHeader="False">
                                ItemTemplate>
                                asp:LinkButton ID="btn_zhiding" runat="server" CommandName="Tranfer" CommandArgument='%#Eval("ARTICLE_ID")%>' Text='%#Eval("BeTop") == "置顶" ? "取消置顶":"置顶" %>' OnCommand="RowCommand">/asp:LinkButton>
                               asp:PlaceHolder ID="PlaceHolder1"  runat="server" Visible='% #Eval("BeTop") == "置顶"%>'>
                                asp:ImageButton ID="imgBtn_OrderUp" runat="server" ImageUrl="~/pic/向上.jpg" CommandName="OrderUp"
                                        CommandArgument='% #Eval("ARTICLE_ID") %>' OnCommand="RowCommand" />
                                    asp:ImageButton ID="imgBtn_OrderDown" runat="server" ImageUrl="~/pic/向下.jpg" CommandName="OrderDown"
                                        CommandArgument='% #Eval("ARTICLE_ID") %>' OnCommand="RowCommand" />
                                     /asp:PlaceHolder>
                                /ItemTemplate>

                                ItemStyle HorizontalAlign="Center"/>
                            /asp:TemplateField>