>Is the textbox in a table column?
>
>>I fixed the error, so it works, but the appearance didn't change.

No, this is the whole partial view

@model Socrates.Objects.Course

 <div class="editor-label">
            @Html.LabelFor(model => model.Number)
        </div>
        <div class="editor-field">
            @Html.EditorFor(model => model.Number)
            @Html.ValidationMessageFor(model => model.Number)
        </div>

        <div class="editor-label">
            @Html.LabelFor(model => model.Name)
        </div>
        <div class="editor-field">
            @Html.EditorFor(model => model.Name)
            @Html.ValidationMessageFor(model => model.Name)
        </div>

        <div class="editor-label">
            @Html.LabelFor(model => model.Description)
        </div>
        <div class="editor-field">
            @Html.TextAreaFor(model => model.Description,new{@class = "textareaDesc"})
            @Html.ValidationMessageFor(model => model.Description)
        </div>

But all controls seem to have the same width.

Actually, last edit box is smaller than textboxes. And all of the controls are abour 1/3 of the form's width.

Also, I think I figured this out - since they all use special editor classes, I think I need to see definitions of these classes in css.