RequiredFieldValidator Class Reference Feedback Definition Namespace: System.Web.UI.WebControls Assembly: System.Web.dll Makes the associated input control a required field. C# Copy public class RequiredFieldValidator : System.Web.UI.WebControls.BaseValidator Inheritance Object Control WebControl ...
A PropertyValidator class that validates whether a required value is not empty.Namespace: Microsoft.Practices.EnterpriseLibrary.Configuration.Design.Validation Assembly: Microsoft.Practices.EnterpriseLibrary.Configuration.DesignTime (in Microsoft.Practices.EnterpriseLibrary.Configuration.DesignTime.dll)...
Use a RequiredFieldValidator control to make the input control a mandatory field.Note The RangeValidator control throws an exception if the value specified by the MaximumValue or MinimumValue property cannot be converted to the specified BaseCompareValidator.Type....
RequiredFieldValidator DisplayMode ShowMessageBox ShowSummary WebControlCollaborate with us on GitHub The source for this content can be found on GitHub, where you can also create and review issues and pull requests. For more information, see our contributor guide. .NET feedback .NET is an op...
Defines validation tests that can be registered using theAdd(String, IValidator[])method. C# publicabstractclassValidator Inheritance Object Validator Constructors Validator() Initializes a new instance of theValidatorclass. Methods Expand table
)] public string FirstName { get { return m_FirstName; } set { Validator.ValidateProperty(value, new ValidationContext(this, null, null) { MemberName = "FirstName" }); m_FirstName = value; } } [Required(ErrorMessage = "Last Name is required.")] [RegularExpression(@"^[a-...
If your field is a set and you want to perform validation of each item in the set you must specify a special each: true decorator option: import { MinLength, MaxLength } from 'class-validator-multi-lang'; export class Post { @MaxLength(20, { each: true, }) tags: Set<string>; } ...
If your field is a map and you want to perform validation of each item in the map you must specify a special each: true decorator option:import { MinLength, MaxLength } from 'class-validator'; export class Post { @MaxLength(20, { each: true, }) tags: Map<string, string>; }...
RequiredFieldValidatorid="RequiredFieldValidator1"runat="server"ErrorMessage="*"Display="Static"ControlToValidate="UserNameTextBox"/>Password:<asp:TextBoxid="UserPassTextBox"TextMode="Password"runat="server"/><asp:RequiredFieldValidatorid="RequiredFieldValidator2"runat="server"ErrorMessage="*"Display=...
import{ValidationTypes}from'class-validator'// ...constschemas=validationMetadatasToSchemas({additionalConverters:{[ValidationTypes.IS_STRING]:{description:'A string value',type:'string',},},}) which now outputs: {"BlogPost": {"properties": {"id": {"description":"A string value","type":"...