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IbanNet.DataAnnotations
The IbanNet.DataAnnotations
package provides support to validate IBAN user input with Microsoft DataAnnotations.
public class InputModel
{
[Iban(Strict = true)]
[Required]
public string BackAccountNumber { get; set; }
}
// MVC
public class MyMvcController : Controller
{
[HttpPost]
public ActionResult Save(InputModel model)
{
if (ModelState.IsValid)
{
// ..
}
}
}
// Web API
public class MyWebApiController : ApiController
{
[HttpPost]
public IHttpActionResult Save(InputModel model)
{
if (ModelState.IsValid)
{
// ..
}
}
}
public class MyController : Controller
{
[HttpPost]
public ActionResult Save([Required][Iban] string bankAccountNumber)
{
if (ModelState.IsValid)
{
// ..
}
}
}
Note that model validation by parameter is not supported by every version of ASP.NET Core. If you experience problems, use a complex model and a property instead (see above).
By default, IBAN's submitted to the validator will be validated strictly according to the IBAN registry. If you wish to allow more relaxed validation that ignores casing and whitespace, set the Strict
boolean on the attribute to false.
The IbanAttribute
does not require a property to be set, and as such a null
value will be validated successfully. An empty string property however IS considered invalid. To disallow null
values add the RequiredAttribute
.
The System.ComponentModel.DataAnnotations.ValidationContext
provides an IServiceProvider
for resolving dependencies. IbanNet uses this to resolve an IIbanValidator
which is then used to validate the user input. If no instance of IIbanValidator
can be resolved from the IoC container an exception is thrown.
For more detailed info please visit: