模型属性验证问题

Question

I am formatting DateTime? field like dd/MM/yyyy and when I submit form it shows validation error.

I cannot get it why is it happens?

Model

[Display(Name = "Expected Ending Time")]
[DisplayFormat(ApplyFormatInEditMode = true, DataFormatString = "{0:dd/MM/yyyy}")]
public DateTime? ExpectedEndingTime { get; set; }

HTML

@Html.TextBoxFor(x => x.Requsition.ExpectedEndingTime, new { @class = "form-control dataPickerField", id = "ExpectedEndingTimeDataPicker", @readonly = true })

@Html.ValidationMessageFor(x => x.Requsition.ExpectedEndingTime)



<script>
    $(function () {            
        $('#ExpectedEndingTimeDataPicker').datepicker({
            format: 'dd/mm/yyyy',
            autoclose: true           
        })
        .on('changeDate', function (ev) {
              //  do things;
    );
    });
</script>

Answer 1

I think that DataFormatString is used just for displaying, and it doesn't use by ModelBinder for parsing. So your server still uses Culture from web.config.

You can hardcode specific culture in config that should be used with this date format.

Here is an answer that can help you - https://stackoverflow.com/a/8035636/169635 It has a sample of IModelBinder that uses CurrentCulture for parsing. You can specify own format

Answer 2

Nothing was useful for me guys....

So I added 1 extra field to the Model and will keep DateTime like a String in the format I need.

And for places I need DateTime format I have another field.

[Display(Name = "Expected Ending Time")]
[DisplayFormat(ApplyFormatInEditMode = true, DataFormatString = "{0:dd/MM/yyyy}")]
public DateTime? ExpectedEndingTime { get; set; }


[Required]
[Display(Name = "Expected Ending Time")]
[DisplayFormat(ApplyFormatInEditMode = true, DataFormatString = "{0:dd/MM/yyyy}")]
public string ExpectedEndingTimeAsString { get; set; }