You need to include namespace in your C# class to use EmailAddress data annotation. data annotation to validate email in C# We can also validate email address using EmailAddress data annotation in C# class, suppose here is my StudentModel.cs class using Remote Validations in MVC (Check if Email id exists in database) Validate email address using Data Annotation in MVC C# Model Verify email address exists or not? (With email id validation in C#) Var result = lookup.Query(domain, QueryType.MX) Lookup.Timeout = TimeSpan.FromSeconds(5)
Public bool ValidateMXRecord(string domain, string mail) Hallo, i am building an app and i have a single line of text field where user enters one or more email accounts (not active directory retrieved).
#Email regex code
In the above code, we are using given regular expression to validate email address string pattern = you can fine tune above code and add MX Record validation also using DNSClient Nuget packageand MX Records of email using C# as below email regex validation 05-19-2021 01:35 AM.
When validating an email address using regex, you need to include namespace in your C# code, let's take a look at an example using System Ĭonsole.WriteLine(EmailId1+ " is a valid Email address ") Ĭonsole.WriteLine(EmailId1 + " is not a valid Email address") Ĭonsole.WriteLine(EmailId2+ " is Valid Email address ") Ĭonsole.WriteLine(EmailId2 + " is Not a Valid Email is a valid Email is Not a Valid Email address
It is very common part of the web-application to include email address, and for this we require to validate if email address is correct and acceptable to save in database or not, so in this post, I have explained how we can validate email address in C# using regex and without using regex also (using data annotation in mvc).
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