How Can I Use Data Annotations Attribute Classes to Fail Empty Strings in Forms?

Question

I was trying to require a text input field in a form, which implies that there needs to be something in the form. However, adding a [Required] tag to my model w

Answer 1

You can add a DefaultValueAttribute to the property that requires a default value (e.g. string.Empty for UserName)

[DisplayName("User Name")]
[System.ComponentModel.DefaultValue("")]
public string UserName { get; set; }