ASP.NET Web Forms Syntax   Web Server Controls Syntax   Base WebControl Properties

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The following table shows each of the available colors and their equivalent values in the .NET Framework, as defined in the System.Drawing.KnownColor enumeration. Any element with a color property ( ForeColor, BackColor, etc. ) can take one of the following values.

The KnownColor enumeration also includes the collection of system colors, which represent colors that are used in a windows display element.

A color in ASP.NET may be specified in several ways:

• by passing a color name from the KnownColor enumeration above, ex. DarkSlateGray;
• by passing color values that denote the RGB components ( red, green, and blue ) expressed in hexadecimal format, ex. #ccffaa;
• by passing color values that denote the RGB components expressed as intensity values ( 0-255 ), ex. rgb ( 240, 230, 140 ).
• by passing color values that denote the RGB components expressed as percentages ( 0-100 ), ex. rgb ( 25%, 50%, 75% );

This page uses a simple Enum.GetValues method to retrieve the pre-defined known colors into an array. The array is then looped thru using a simple foreach statement, and from each KnownColor object a Color structure is created, the values of which are extracted ( and converted to hex ), and the results dynamically generated on the page. To see how this is done, view source.