Can not type a double in a textbox

Question

I'm working on an mvc .net web application and I'm using Entity Framework for generating Model. I have classes that contain attributes that are doubles. My problem is that when I use @HTML.EditorFor(model => model.Double_attribute) and test my application I can't type a double in that editor, I only can type integers. (I'm using Razor engine for views)How to solve this? Thanks.

Update : I discovered that I can type a double having this format #,### (3 numbers after the comma but I do not want to make user type a specific format, I want to accept all formats (1 or more numbers after the comma) Does anyone have an idea how to solve this? Regards

Is client validation enabled? Did you try to use different decimal separators: . and , (point and comma)? — STO, Sep 03 '12 at 17:35
This is abnormal it works, you probably have some JS scripts which create an issue. Remove js reference and try to see. — Hassan, Sep 03 '12 at 20:25
yes it is activated. I tryed with both of them but it didn't work — , Sep 03 '12 at 20:25
It shouldn't make a difference but have you tried, `@HTML.EditorFor(model => model.Double_attribute)`? Also, post your model code, do you have any attributes on `Model.Double_attribute`? — Garrett Fogerlie, Sep 04 '12 at 02:06

score 2 · Answer 1 · edited May 23 '17 at 11:56

2

You could use add notations :

[DisplayFormat(DataFormatString = "{0:#,##0.000#}", ApplyFormatInEditMode = true)]
public double? Double_attribute{ get; set; }

And now... voila : you can use the double in your view :

@Html.EditorFor(x => x.Double_attribute)

For other formats you could check this or just google "DataFormatString double" your desired option for this field.

edited May 23 '17 at 11:56

Community

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1

answered Sep 07 '12 at 11:01

Mihai Labo

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I can only type a double having this format #,### (3 numbers after the comma but I do not want to make user type a specific format, I want to accept all formats (1 or more numbers after the comma) – Sep 07 '12 at 11:21

score 0 · Answer 2 · answered Sep 04 '12 at 05:43

try to use custom databinder:

public class DoubleModelBinder : IModelBinder
{
    public object BindModel( ControllerContext controllerContext,
        ModelBindingContext bindingContext )
    {
        var valueResult = bindingContext.ValueProvider.GetValue( bindingContext.ModelName );
        var modelState = new ModelState { Value = valueResult };
        object actualValue = null;

        try
        {
            actualValue = Convert.ToDouble( valueResult.AttemptedValue,
                CultureInfo.InvariantCulture );
        }
        catch ( FormatException e )
        {
            modelState.Errors.Add( e );
        }

        bindingContext.ModelState.Add( bindingContext.ModelName, modelState );
        return actualValue;
    }
}

and register binder in global.asax:

protected void Application_Start ()
{
    ...
    ModelBinders.Binders.Add( typeof( double ), new DoubleModelBinder() );
}

Can not type a double in a textbox

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