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>
>

2."截取定长字符串,并追加'...'"

<asp:TemplateColumn HeaderText="用户要求">
                                                <ItemTemplate>
>

PS:：利用DataGrid模板列