Format attribute to display 8 decimal places in ASP.net core

Question

I want to display my latitude and longitude to 8 decimal places. However, I am only displaying it to 2 decimal places by default right now. How should I change my Model?

Model:

    public class LocationModel
    {
        [Display(Name = "Latitude")]
        public decimal Latitude { get; set; }

        [Display(Name = "Longitude")]
        public decimal Longitude { get; set; }
    }

Wouter · Accepted Answer · 2020-07-10 09:34:18Z

2

Two options:

DataFormatString

public class LocationModel
{
    [Display(Name = "Latitude")]
    [DisplayFormat(ApplyFormatInEditMode = true, DataFormatString = "{0:G8}")]
    public decimal Latitude { get; set; }

    [Display(Name = "Longitude")]
    [DisplayFormat(ApplyFormatInEditMode = true, DataFormatString = "{0:G8}")]
    public decimal Longitude { get; set; }
}

Math

public class LocationModel
{
    private decimal _latitude;
    private decimal _longitude;

    [Display(Name = "Latitude")]
    public decimal Latitude
    {
        get
        {
            return Math.Round(_latitude, 8);
        }
        set
        {
            this._latitude = value;
        }
    }

    [Display(Name = "Longitude")]
    public decimal Longitude
    {
        get
        {
            return Math.Round(_longitude, 8);
        }
        set
        {
            this._longitude = value;
        }
    }
}

answered Jul 10, 2020 at 9:34

Wouter

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1 Comment

sanmolhec Over a year ago

On this page of the official Microsoft documentation: learn.microsoft.com/en-us/dotnet/standard/base-types/… There is information on how the DataStringFormat modifiers work

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