ASP.NET(VB)：DataGrid中"加入序号列"和"截取定长字符串追加'...'"

---

 1."加入序号列"

<asp:TemplateColumn HeaderText="序号">
                                                <ItemStyle HorizontalAlign="Center"></ItemStyle>
                                                <ItemTemplate>
                                                    <%# Container.ItemIndex + 1%>
                                                </ItemTemplate>
                                            </asp:TemplateColumn>

2."截取定长字符串,并追加'...'"

<asp:TemplateColumn HeaderText="用户要求">
                                                <ItemTemplate>
                                                    <asp:Label runat="server" Text='<%# Left(DataBinder.Eval(Container, "DataItem.User_Request"), 15) & IIf(Container.DataItem("User_Request").Length>15, "", "") %>' tooltip='<%# DataBinder.Eval(Container, "DataItem.User_Request") %>'>
                                                    </asp:Label>
                                                </ItemTemplate>
                                            </asp:TemplateColumn>

PS:：利用DataGrid模板列