页面特殊标记显示

前台：
 <asp:TemplateColumn HeaderText="紧急程度">
            <itemtemplate>             
                 <%#GetStarts(Eval("EmergencyDegree"), "★")%>        
    </itemtemplate>
 </asp:TemplateColumn>
后台：
 ''' <summary>
        ''' 将紧急类型转化成★显示
        ''' </summary>
        ''' <param name="length">紧急类型</param>
        ''' <param name="StarsType">显示标记★</param>
        ''' <returns></returns>
        ''' <remarks></remarks>
        Public Function GetStarts(ByVal length As Integer, ByVal StarsType As String) As String
            Dim sb As New StringBuilder
            For i As Integer = 1 To length
                sb.Append(StarsType)
            Next
            Return sb.ToString()
        End Function