how to validate validations whether textbox is empty or not. using linq to sql. in mvc

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Chris Anderson · Answer

hi,you can put validation using linq to sql query something like below: if (query.Count() &gt; 0) throw new Exception("Id already exists in the database");

venkat gosetty · Answer

Actually i have taken model class .dbml (linq to sql template)

Chris Anderson · Answer

hi venkat,if you want validate your textbox, simply use:namespace:using System.ComponentModel.DataAnnotations;and above the property add following:[StringLength(50),Required]public string Name { get; set; }why you use linq to sql for validation?

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how to validate validations whether textbox is empty or not. using linq to sql. in mvc

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