Remove blank space from TextArea using JavaScript in ASP.Net MVC

Hi firends,

i am binding text from model data to text box

i assigned max length 1000, when i try to edit form, in this text box its filled data with remaing white space count, so that i will not able to type extra characters, so i remove blank space to enter character,

please help

<div class="form-group row">
    <div class="col-sm-12">
        @Html.TextAreaFor(m => m.IdentificationCriteria, new { @class = "form-control textareaprop", id = "txtIdentCrit", maxlength = "1000" })
    </div>
</div>