How to Add CSS Styles to ASP.NET Controls from Server Side

You want to add CSS styles to ASP.NET controls from server side programmatically, you can use Style property available to all ASP.NET server controls.

TextBox1.Style.Add("border", "solid 2px blue");
TextBox1.Style.Add("background-color", "yellow");

TextBox2.Style.Add("font-weight", "bold");
TextBox2.Style.Add("color", "#336699");



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Waqas Anwar

Founder of, Senior Consultant, Microsoft .NET and Web Technologies