Net gridview字段過長省略号顯示

方法：

public string GetSubString(string sourseStr)
        {
            string retStr = string.Empty;
            if (sourseStr.Length > 10)
            {
                retStr = sourseStr.Substring(0, 10) + "...";
            }
            else
                retStr = sourseStr;
            return retStr;
        }
           

背景：

<asp:Label ID="lblRemark" runat="server" Text='<%#GetSubString(Eval("Description").ToString()) %>'
     ToolTip='<%#Eval("Description")%>'></asp:Label>