Tag云图

<asp:Repeater ID="Repeater1" runat="server">
                                <ItemTemplate> <a href=#><span style="font-size: <%# getFontSize(Eval("CountValue"),10,48) %>px"><%# Eval("TagName") %></span></a> </ItemTemplate>
                            </asp:Repeater>

 

 

 public int Max = 0;
   
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            DataSet ds = TagDBAdapter.GetMyTagList(UserID);
            DataTable dt = ds.Tables[0];

            int.TryParse(dt.Compute("Max(CountValue)", "").ToString(),out Max );

            Repeater1.DataSource = dt;
            Repeater1.DataBind();
        }

    }

    public int getFontSize(object o, int MinFontSize, int MaxFontSize)
    {
        if (o != null && Max!=0)
        {
            int i = 0;
            int.TryParse(o.ToString(),out i);

            return ((MaxFontSize - MinFontSize) / Max * i + MinFontSize);
        }
        return MinFontSize;
    }