Using Data Annotations for Model Validation

Question

Hi Frides I am using Data Annotations for Model Validation in my MVC 5 application.For Required Field validation while click the save button Only drop down field get validated first.Its not showing rest of the TextBox. After selecting the values for dropdown list then click the save button now rest of the textbox get validated in this page. Please give me the solution while click the save button all the mandatory fields should be validated if i am not entering on any of the Textbox or Dropdown list in this page. Please look on to the below screen .. Hi friends Thanks

Saineshwar Bageri · Answer

You Can Try fluentvalidation Have look on it will resolve your issue https://fluentvalidation.codeplex.com/

Anand MR · Answer

using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.ComponentModel.DataAnnotations; //using ExpressiveAnnotations.Attributes; namespace IMSHealth.Idea.ViewModel { public class UserRole { public int UserRoleId { get; set; } public string RoleDesc { get; set; } } public enum UserTypeList { Internal External } // public class RequiredIfAttribute : RequiredAttribute //{ // private String PropertyName { get; set; } // private Object DesiredValue { get; set; } // public RequiredIfAttribute(String propertyName object desiredvalue) // { // PropertyName = propertyName; // DesiredValue = desiredvalue; // } // protected override ValidationResult IsValid(object value ValidationContext context) // { // Object instance = context.ObjectInstance; // Type type = instance.GetType(); // Object proprtyvalue = type.GetProperty(PropertyName).GetValue(instance null); // if (proprtyvalue.ToString() == DesiredValue.ToString()) // { // ValidationResult result = base.IsValid(value context); // return result; // } // return ValidationResult.Success; // } //} public class UserViewModel { public UserViewModel() { Status = true; } [Key] public int UserId { get; set; } public UserTypeList UserTypeList { get; set; } public int UserType { get; set; } public string UserTypeDesc { get; set; } [Required(ErrorMessage = User Role is Mandatory)] public int UserRole { get; set; } [MaxLength(50ErrorMessage=Username can not be more than 50 character length)] [RegularExpression(@^[a-zA-Z]+$ ErrorMessage = Use letters only please)] public string UserName { get; set; } public string Password { get; set; } [Required(ErrorMessage = First Name is Mandatory)] [MaxLength(40 ErrorMessage = First Name can not be more than 40 character length)] [RegularExpression(@^[a-zA-Z. ]+$ ErrorMessage = First Name must be character Only )] public string FirstName { get; set; } [MaxLength(40 ErrorMessage = Middle Name can not be more than 40 character length)] [RegularExpression(@^[a-zA-Z. ]+$ ErrorMessage =  Middle Name must be character Only)] public string MiddleName { get; set; } [Required(ErrorMessage = Last Name is Mandatory)] [MaxLength(40 ErrorMessage = Last Name can not be more than 40 character length)] [RegularExpression(@^[a-zA-Z. ]+$ ErrorMessage = Last Name must be character Only)] public string LastName { get; set; } //[EmailAddress(ErrorMessage = Invalid Email Id)] [Required(ErrorMessage = EmailId is Mandatory)] [MaxLength(50ErrorMessage=Max length 50)] //[RegularExpression(^[a-zA-Z0-9_\.-]+@([a-zA-Z0-9-]+\.)+[a-zA-Z]{26}$ ErrorMessage = Invalid Email Id)] //[DataType(DataType.EmailAddress ErrorMessage = Invalid Email Id)] //[RegularExpression(/^([\a-z-]+(?:.[\a-z-]+)*)@((?:[\a-z-]+.)*\a-z[\a-z-]{066}).([a-z]{26}(?:.[a-z]{2})?)$/i ErrorMessage = Email is not valid.)] [EmailAddress(ErrorMessage = Invalid Email Id)] public string EmailId { get; set; } [Required(ErrorMessage = Mobile No is Mandatory)] [MaxLength(10ErrorMessage=Mobile number can not be more than 10 digits)] [MinLength(10 ErrorMessage = Mobile number must be atleast 10 digits)] [Range(19999999999 ErrorMessage = Enter Valid Mobile number)] public string MobileNo { get; set; } [MaxLength(20 ErrorMessage = Telephone number can not be more than 20 digits)] //[MinLength(20 ErrorMessage = Telephone number must be atleast 20 digits)] //[Range(09999999999 ErrorMessage = Enter Valid Telephone number)] //[RegularExpression(^[0-9]{20}$ ErrorMessage = Enter Valid Telephone number)] //[RegularExpression(^[0-9]{}$ ErrorMessage = Enter Valid Telephone number)] //[Range(0 int.MaxValue ErrorMessage = Please enter valid integer Number)] // [RegularExpression(@^(\d)$ ErrorMessage = Enter Valid Telephone number)] [RegularExpression(([0-9]+) ErrorMessage = Enter Valid Telephone number)] public string TelephoneNo { get; set; } [MaxLength(50 ErrorMessage = Designation can not be more than 50 character length)] [RegularExpression(@^[a-zA-Z. ]+$ ErrorMessage = Designation must be character Only)] public string Designation { get; set; } [MaxLength(100 ErrorMessage = Address can not be more than 100 character length)] public string Address { get; set; } [Required(ErrorMessage = City is Mandatory)] public string City { get; set; } [Required(ErrorMessage = State is Mandatory)] public string State { get; set; } [Required(ErrorMessage = Zip is Mandatory)] [MaxLength(6 ErrorMessage = Zip Code can not be more than 6 character length)] [RegularExpression(@^(?!00000)(?![\W_])[0-9]{510}$ ErrorMessage = Enter valid Zip Code)] //[Email] // [RegularExpression(@^ (?![\W_])$ ErrorMessage = Enter valid gggg Zip Code)] [Range(1 999999 ErrorMessage = Enter Valid Zip Code.)] public string Zip { get; set; } [EmailAddress(ErrorMessage = Invalid Pat Id)] public string PatId { get; set; } [MaxLength(50 ErrorMessage = Business Role can not be more than 50 character length)] [RegularExpression(@^[a-zA-Z. ]+$ ErrorMessage = Bussiness Role must be character Only)] public string BusinessRole { get; set; } //public IEnumerable Validate(ValidationContext validationContext) //{ // if (UserType == 2 && (SupplierUID == null )) // { // yield return new ValidationResult(Supplier is Mandatory); // } //} // [RequiredIf(UserType2 ErrorMessage = Supplier is Mandatory)] // [RequiredIf(UserType 2)] [Required( ErrorMessage = Supplier is Mandatory)] public int? SupplierUID { get; set; } // [RequiredIf (UserType == 2) ErrorMessage = Supplier is Mandatory] public string SupplierCode { get; set; } public string SupplierName { get; set; } public Nullable ManagerID { get; set; } public bool Status { get; set; } public string StatusdDesc { get; set; } public string CreatedBy { get; set; } public string ApprovedBy { get; set; } public List Role { get; set; } public List Cities { get; set; } public List States { get; set; } public List Users{ get; set; } } }

Anand MR · Answer

using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.ComponentModel.DataAnnotations; //using ExpressiveAnnotations.Attributes; namespace IMSHealth.Idea.ViewModel { public class UserRole { public int UserRoleId { get; set; } public string RoleDesc { get; set; } } public enum UserTypeList { Internal External } // public class RequiredIfAttribute : RequiredAttribute //{ // private String PropertyName { get; set; } // private Object DesiredValue { get; set; } // public RequiredIfAttribute(String propertyName object desiredvalue) // { // PropertyName = propertyName; // DesiredValue = desiredvalue; // } // protected override ValidationResult IsValid(object value ValidationContext context) // { // Object instance = context.ObjectInstance; // Type type = instance.GetType(); // Object proprtyvalue = type.GetProperty(PropertyName).GetValue(instance null); // if (proprtyvalue.ToString() == DesiredValue.ToString()) // { // ValidationResult result = base.IsValid(value context); // return result; // } // return ValidationResult.Success; // } //} public class UserViewModel { public UserViewModel() { Status = true; } [Key] public int UserId { get; set; } public UserTypeList UserTypeList { get; set; } public int UserType { get; set; } public string UserTypeDesc { get; set; } [Required(ErrorMessage = User Role is Mandatory)] public int UserRole { get; set; } [MaxLength(50ErrorMessage=Username can not be more than 50 character length)] [RegularExpression(@^[a-zA-Z]+$ ErrorMessage = Use letters only please)] public string UserName { get; set; } public string Password { get; set; } [Required(ErrorMessage = First Name is Mandatory)] [MaxLength(40 ErrorMessage = First Name can not be more than 40 character length)] [RegularExpression(@^[a-zA-Z. ]+$ ErrorMessage = First Name must be character Only )] public string FirstName { get; set; } [MaxLength(40 ErrorMessage = Middle Name can not be more than 40 character length)] [RegularExpression(@^[a-zA-Z. ]+$ ErrorMessage =  Middle Name must be character Only)] public string MiddleName { get; set; } [Required(ErrorMessage = Last Name is Mandatory)] [MaxLength(40 ErrorMessage = Last Name can not be more than 40 character length)] [RegularExpression(@^[a-zA-Z. ]+$ ErrorMessage = Last Name must be character Only)] public string LastName { get; set; } //[EmailAddress(ErrorMessage = Invalid Email Id)] [Required(ErrorMessage = EmailId is Mandatory)] [MaxLength(50ErrorMessage=Max length 50)] //[RegularExpression(^[a-zA-Z0-9_\.-]+@([a-zA-Z0-9-]+\.)+[a-zA-Z]{26}$ ErrorMessage = Invalid Email Id)] //[DataType(DataType.EmailAddress ErrorMessage = Invalid Email Id)] //[RegularExpression(/^([\a-z-]+(?:.[\a-z-]+)*)@((?:[\a-z-]+.)*\a-z[\a-z-]{066}).([a-z]{26}(?:.[a-z]{2})?)$/i ErrorMessage = Email is not valid.)] [EmailAddress(ErrorMessage = Invalid Email Id)] public string EmailId { get; set; } [Required(ErrorMessage = Mobile No is Mandatory)] [MaxLength(10ErrorMessage=Mobile number can not be more than 10 digits)] [MinLength(10 ErrorMessage = Mobile number must be atleast 10 digits)] [Range(19999999999 ErrorMessage = Enter Valid Mobile number)] public string MobileNo { get; set; } [MaxLength(20 ErrorMessage = Telephone number can not be more than 20 digits)] //[MinLength(20 ErrorMessage = Telephone number must be atleast 20 digits)] //[Range(09999999999 ErrorMessage = Enter Valid Telephone number)] //[RegularExpression(^[0-9]{20}$ ErrorMessage = Enter Valid Telephone number)] //[RegularExpression(^[0-9]{}$ ErrorMessage = Enter Valid Telephone number)] //[Range(0 int.MaxValue ErrorMessage = Please enter valid integer Number)] // [RegularExpression(@^(\d)$ ErrorMessage = Enter Valid Telephone number)] [RegularExpression(([0-9]+) ErrorMessage = Enter Valid Telephone number)] public string TelephoneNo { get; set; } [MaxLength(50 ErrorMessage = Designation can not be more than 50 character length)] [RegularExpression(@^[a-zA-Z. ]+$ ErrorMessage = Designation must be character Only)] public string Designation { get; set; } [MaxLength(100 ErrorMessage = Address can not be more than 100 character length)] public string Address { get; set; } [Required(ErrorMessage = City is Mandatory)] public string City { get; set; } [Required(ErrorMessage = State is Mandatory)] public string State { get; set; } [Required(ErrorMessage = Zip is Mandatory)] [MaxLength(6 ErrorMessage = Zip Code can not be more than 6 character length)] [RegularExpression(@^(?!00000)(?![\W_])[0-9]{510}$ ErrorMessage = Enter valid Zip Code)] //[Email] // [RegularExpression(@^ (?![\W_])$ ErrorMessage = Enter valid gggg Zip Code)] [Range(1 999999 ErrorMessage = Enter Valid Zip Code.)] public string Zip { get; set; } [EmailAddress(ErrorMessage = Invalid Pat Id)] public string PatId { get; set; } [MaxLength(50 ErrorMessage = Business Role can not be more than 50 character length)] [RegularExpression(@^[a-zA-Z. ]+$ ErrorMessage = Bussiness Role must be character Only)] public string BusinessRole { get; set; } //public IEnumerable Validate(ValidationContext validationContext) //{ // if (UserType == 2 && (SupplierUID == null )) // { // yield return new ValidationResult(Supplier is Mandatory); // } //} // [RequiredIf(UserType2 ErrorMessage = Supplier is Mandatory)] // [RequiredIf(UserType 2)] [Required( ErrorMessage = Supplier is Mandatory)] public int? SupplierUID { get; set; } // [RequiredIf (UserType == 2) ErrorMessage = Supplier is Mandatory] public string SupplierCode { get; set; } public string SupplierName { get; set; } public Nullable ManagerID { get; set; } public bool Status { get; set; } public string StatusdDesc { get; set; } public string CreatedBy { get; set; } public string ApprovedBy { get; set; } public List Role { get; set; } public List Cities { get; set; } public List States { get; set; } public List Users{ get; set; } } }

Saineshwar Bageri · Answer

Can you show your ActionResult where you have done this validation.

Anand MR · Answer

Hi saineshwar Yes. sending entire model to View .. Is there any other way  please explain me for this issue. Thanks

Saineshwar Bageri · Answer

After Model state is Invalid your are sending entire model to View or not .