Gets or sets the standard width or automatic sizing mode of columns in the control.
Assembly: System.Windows.Controls.Data (in System.Windows.Controls.Data.dll)
Dependency property identifier field: ColumnWidthProperty
By default, columns will automatically adjust their width to fit their contents. This property affects the width setting of every column in the control that does not have an explicit Width setting.
Silverlight 3: The star sizing feature and using * in XAML are not available for Silverlight 3.
For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.