Gets or sets a value indicating whether the header section is displayed in a System.Web.UI.WebControls.ButtonFieldBase object.
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Use the ButtonFieldBase.ShowHeader property to show or hide the header section of a System.Web.UI.WebControls.ButtonFieldBase object. To show the header section, set the ButtonFieldBase.ShowHeader property to true.
Some data-bound controls (such as the System.Web.UI.WebControls.GridView control) can show or hide only the entire header section of the control. These data-bound controls do not support the ButtonFieldBase.ShowHeader property for an individual button field. To show or hide the entire header section of a data-bound control (if available), use the ShowHeader property for the control.
The value of this property is stored in view state.