title: Format for displaying float?
body: <p>I need to display float numerics with symbol "+" or "-" before. </p>
  
  <p>What is the correct string format?</p>
  
  <p>For ex. </p>
  
  <pre><code>-1,5
  -1
  -0,5
   0
  +0,5
  +1
  </code></pre>
  
  <p><em></em></p>
  
  <pre><code>  settings.Columns.Add(column =&gt;
            {
                column.FieldName = "current";
                column.Caption = "Numeric";
                column.ColumnType = MVCxGridViewColumnType.SpinEdit;
                var edsettings = column.PropertiesEdit as DevExpress.Web.ASPxEditors.SpinEditProperties;
                edsettings.DisplayFormatString = "0.#";
            });
  </code></pre>
  
  <p>this is column of devexpress component grid in asp.mvc. where "current" is decimal value in Model</p>