Display default image if Profile image is missing in folder in ASP.Net

How to display default from folder if user did not upload any image, i have imagename in database and image in folder called userimages, then i have a default image folder called missingimages. if user didnt upload profile image the code will then move over to the next code and display default image. i have littel code on this below but need more help on it.

 public string getHREF(object sURL)
    {
        DataRowView dRView = (DataRowView)sURL;
        string Id = dRView["Id"].ToString();
        return ResolveUrl("~/Pages/Timeline.aspx?Id=" + Id);
    }

    public string getSRC(object imgSRC)
    {
        DataRowView dRView = (DataRowView)imgSRC;
        DataRowView eRView = (DataRowView)imgSRC;
        string ImageName = dRView["ImageName"].ToString();
        string Name = dt.Rows[0]["Name"].ToString();
        if (ImageName == "NoImage")
        {
            return ResolveUrl(@"~/UserImage/missing.jpg");
        }
        else
        {
            return ResolveUrl("~/UserImage/" + dRView["ImageName"].ToString());
        }
    }

HTML

<asp:DataList ID="SUGGESTEDAD" runat="server" Width="100%" RepeatDirection="Horizontal"
    CellPadding="2" CellSpacing="2">
    <ItemTemplate>
        <div class="">
            <div class="box box-default box-solid direct-chat direct-chat-default " style="height: auto;
                width: 250px; margin-left: 4px; margin-right: 4px">
                <div class="box-header" style="background-color: transparent">
                    <div class="clearfix">
                    </div>
                    <div class="box-tools ">
                        <button class="btn btn-box-tool" data-widget="remove">
                            <i class="fa fa-times"></i>
                        </button>
                    </div>
                </div>
                <!-- /.box-header -->
                <div class="box-body">
                    <!-- Conversations are loaded here -->
                    <div class="">
                        <!-- Message. Default to the left -->
                        <div class="col-sm-12 ">
                            <a href='<%#getHREF(Container.DataItem)%>'>
                                <input type="hidden" id="hiddenId" value='<%# DataBinder.Eval(Container.DataItem, "FromId") %>'
                                    runat="server" name="hiddenId" />
                                <img src='<%# getSRC(Container.DataItem) %>' class="img-responsive img-circle img-thumbnail  animated bounceIn"
                                    alt="User Image" style="">
                                <asp:Label ID="lblName" runat="server"></asp:Label>
                                <asp:Label ID="Label2" runat="server" CssClass="redtext"></asp:Label>
                            </a>&nbsp;</div>
                    </div>
                </div>
                <div class="clearfix">
                </div>
                <div class="box-footer" style="margin-left: 4px; margin-right: 4px; margin-bottom: 6px;
                    margin-top: 6px; height: 40px">
                    <a href='<%#getHREF(Container.DataItem)%>'>&nbsp; <i class="fa fa-arrow-right">
                        <asp:Label ID="Name" runat="server" Text='<%# Eval("Name") %>' /></i> </a>
                </div>
            </div>
        </div>
    </ItemTemplate>
    <FooterTemplate>
    </FooterTemplate>
</asp:DataList>