Maintain HTML TextBox value in Master Page using C# in ASP.Net

sir i already tried this but still im not getting the value from master page

<div class="input-group">
    <input type="text" class="form-control" placeholder="your email address" id="emailID"
        name="emailID" value="" />
    <span class="input-group-btn">
        <button class="btn btn-primary" id="submit" name="submit" runat="server" onserverclick="submit_click">
            <i class=""></i>Save email!</button>
    </span>
</div>

this is my html code at footer in master page