Add required attribute to a textbox - ASP.net

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It is possible to add the required attribute in VB.net to a Textbox. I would assume it would be something like this: textbox.Attributes.Add("required") or is it necessary to insert JavaScript to implement it?

    
asked by Abraham Montes 23.05.2018 в 15:36
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Using the MVC pattern, you could add a Data Anotations in your model that indicates that data is required. 

[Required]
public string Nombre { get ; set}

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answered by 23.05.2018 в 15:40
JS Pass a trigger to the value of a variable at the instant it is created PHP cron / scheduled automatic task