Spread for ASP.NET 13 Product Documentation
Spread for ASP.NET 13 Product Documentation / Developer's Guide / Customizing with Cell Types / Working with ASP.NET AJAX Extender Cell Types / Setting a Text Box with Watermark Cell
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    Setting a Text Box with Watermark Cell
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    You can provide a text box cell that displays a watermark with the TextBoxWatermarkCellType class.

    ASP.NET AJAX Text Box with Watermark Cell Type

    ASP.NET AJAX Text Box with Watermark Edited

    Without focus (watermark displayed) Edit mode (watermark not displayed)

    This cell type is dependent on the TextBoxWatermark extender of the Microsoft ASP.NET AJAX Control Toolkit. The appearance and behavior of this cell type is controlled by the AJAX Control Toolkit. For more information, see the Microsoft AJAX site.

    All controls in the AJAX Control Toolkit can add or attach client behaviors to a target control. The target control is exposed as the Editor property of the extender cell type in Spread.

    Unlike the other cell types in Spread, there are no restrictions and validation of any of the Extenders properties, so use this cell type carefully and provide validation as needed.

    For a list of limitations with this AJAX cell type, refer to Working with ASP.NET AJAX Extender Cell Types.

    For details on the properties and methods for this cell type, refer to the TextBoxWatermarkCellType class.

    See Also