ASP. NET Core Primer-based content backup

Model

Set Primary key inside: [key] can customize the primary key by default is a field named ID type int

Set display format: [DisplayFormat (dataformatstring= "{0: Format shown}", [optional parameter])

Set field display content [Display (Name = "What to display")] Example:

[Display (Name = "Release date")]  Public DateTime releasedate {get; set;}

The foreground will show the publication date on the title bar of the field by default

[required]//is not allowed to be empty [stringlength (60,minimumlength = 5)]//Set the length to 5-60[range (1,100)]//set the input range and limit the input data to a number [DataType ( datatype.currency)]//limit the input data to the currency type of the parameter here DataType inside is an enumeration value of course can also define their own

[RegularExpression(@"^[A-Z]+[a-zA-Z‘‘-‘\s]*$")]//这里放的是正则表达式

The *.cshtml page in view cancels the validation

asp-validation-summary= "TypeName" just give this attribute to cancel it.

In the controller

[validateantiforgerytoken]//Declaration validation validity with   if (modelstate.isvalid) {//something} Validation of validity

　　

ASP. NET Core Primer-based content backup