mvc5 + ckeditor

Question

Hello...I am using ckeditor in my mvc5 application...when i trying to modify data from "Edit View",it get the data from database but when i trying to save modified data it can not save..it give the error to save...plz help

 

 piece of Edit view

 

<div class="form-group">
@Html.LabelFor(model => model.Question1, "Question", htmlAttributes: new { @class = "control-label col-md-2" })
<div class="col-md-10">
@Html.TextAreaFor(model => model.Question1, new { @class = "ckeditor" })
@Html.ValidationMessageFor(model => model.Question1, "", new { @class = "text-danger" })
</div>
</div> 

 

 

 

thank u