Class ReadOnlyAttribute
Indicates this property is read-only and can not be modified again by anything once it has been initially saved from new
For instance this is commonly used with auto-increment reference ids used in transactions
Requires the DBTrackChangesAttribute to be marked against this property as well
Inheritance
System.Object
    System.Attribute
    System.ComponentModel.DataAnnotations.ValidationAttribute
    
    ReadOnlyAttribute
  Inherited Members
      System.ComponentModel.DataAnnotations.ValidationAttribute.FormatErrorMessage(System.String)
    
    
      System.ComponentModel.DataAnnotations.ValidationAttribute.GetValidationResult(System.Object, System.ComponentModel.DataAnnotations.ValidationContext)
    
    
      System.ComponentModel.DataAnnotations.ValidationAttribute.IsValid(System.Object)
    
    
      System.ComponentModel.DataAnnotations.ValidationAttribute.Validate(System.Object, System.ComponentModel.DataAnnotations.ValidationContext)
    
    
      System.ComponentModel.DataAnnotations.ValidationAttribute.Validate(System.Object, System.String)
    
    
      System.ComponentModel.DataAnnotations.ValidationAttribute.ErrorMessage
    
    
      System.ComponentModel.DataAnnotations.ValidationAttribute.ErrorMessageResourceName
    
    
      System.ComponentModel.DataAnnotations.ValidationAttribute.ErrorMessageResourceType
    
    
      System.ComponentModel.DataAnnotations.ValidationAttribute.ErrorMessageString
    
    
      System.Attribute.Equals(System.Object)
    
    
      System.Attribute.GetCustomAttribute(System.Reflection.Assembly, System.Type)
    
    
      System.Attribute.GetCustomAttribute(System.Reflection.Assembly, System.Type, System.Boolean)
    
    
      System.Attribute.GetCustomAttribute(System.Reflection.MemberInfo, System.Type)
    
    
      System.Attribute.GetCustomAttribute(System.Reflection.MemberInfo, System.Type, System.Boolean)
    
    
      System.Attribute.GetCustomAttribute(System.Reflection.Module, System.Type)
    
    
      System.Attribute.GetCustomAttribute(System.Reflection.Module, System.Type, System.Boolean)
    
    
      System.Attribute.GetCustomAttribute(System.Reflection.ParameterInfo, System.Type)
    
    
      System.Attribute.GetCustomAttribute(System.Reflection.ParameterInfo, System.Type, System.Boolean)
    
    
      System.Attribute.GetCustomAttributes(System.Reflection.Assembly)
    
    
      System.Attribute.GetCustomAttributes(System.Reflection.Assembly, System.Boolean)
    
    
      System.Attribute.GetCustomAttributes(System.Reflection.Assembly, System.Type)
    
    
      System.Attribute.GetCustomAttributes(System.Reflection.Assembly, System.Type, System.Boolean)
    
    
      System.Attribute.GetCustomAttributes(System.Reflection.MemberInfo)
    
    
      System.Attribute.GetCustomAttributes(System.Reflection.MemberInfo, System.Boolean)
    
    
      System.Attribute.GetCustomAttributes(System.Reflection.MemberInfo, System.Type)
    
    
      System.Attribute.GetCustomAttributes(System.Reflection.MemberInfo, System.Type, System.Boolean)
    
    
      System.Attribute.GetCustomAttributes(System.Reflection.Module)
    
    
      System.Attribute.GetCustomAttributes(System.Reflection.Module, System.Boolean)
    
    
      System.Attribute.GetCustomAttributes(System.Reflection.Module, System.Type)
    
    
      System.Attribute.GetCustomAttributes(System.Reflection.Module, System.Type, System.Boolean)
    
    
      System.Attribute.GetCustomAttributes(System.Reflection.ParameterInfo)
    
    
      System.Attribute.GetCustomAttributes(System.Reflection.ParameterInfo, System.Boolean)
    
    
      System.Attribute.GetCustomAttributes(System.Reflection.ParameterInfo, System.Type)
    
    
      System.Attribute.GetCustomAttributes(System.Reflection.ParameterInfo, System.Type, System.Boolean)
    
    
      System.Attribute.GetHashCode()
    
    
      System.Attribute.IsDefaultAttribute()
    
    
      System.Attribute.IsDefined(System.Reflection.Assembly, System.Type)
    
    
      System.Attribute.IsDefined(System.Reflection.Assembly, System.Type, System.Boolean)
    
    
      System.Attribute.IsDefined(System.Reflection.MemberInfo, System.Type)
    
    
      System.Attribute.IsDefined(System.Reflection.MemberInfo, System.Type, System.Boolean)
    
    
      System.Attribute.IsDefined(System.Reflection.Module, System.Type)
    
    
      System.Attribute.IsDefined(System.Reflection.Module, System.Type, System.Boolean)
    
    
      System.Attribute.IsDefined(System.Reflection.ParameterInfo, System.Type)
    
    
      System.Attribute.IsDefined(System.Reflection.ParameterInfo, System.Type, System.Boolean)
    
    
      System.Attribute.Match(System.Object)
    
    
      System.Attribute.TypeId
    
    
      System.Object.Equals(System.Object, System.Object)
    
    
      System.Object.GetType()
    
    
      System.Object.MemberwiseClone()
    
    
      System.Object.ReferenceEquals(System.Object, System.Object)
    
    
      System.Object.ToString()
    
  Namespace: LemonEdge.API.Attributes.Validation
Assembly: API.dll
Syntax
[AttributeUsage(AttributeTargets.Property, Inherited = false, AllowMultiple = false)]
public class ReadOnlyAttribute : DatabaseValidation
  Methods
IsValid(Object, IEntityUpdater, IReadOnlyCache, UserInfo, ValidationContext)
Declaration
protected override Task<ValidationResult> IsValid(object value, IEntityUpdater dbCon, IReadOnlyCache cache, UserInfo user, ValidationContext validationContext)
  Parameters
| Type | Name | Description | 
|---|---|---|
| System.Object | value | |
| IEntityUpdater | dbCon | |
| IReadOnlyCache | cache | |
| UserInfo | user | |
| System.ComponentModel.DataAnnotations.ValidationContext | validationContext | 
Returns
| Type | Description | 
|---|---|
| System.Threading.Tasks.Task<System.ComponentModel.DataAnnotations.ValidationResult> |