System.Web.UI.WebControls (system.web.dll) | abstract class |
This abstract base class is used for all types of columns that can be added to a DataGrid control, including BoundColumn, ButtonColumn, HyperLinkColumn, EditCommandColumn, and TemplateColumn. It includes basic formatting-related properties, including TableItemStyle objects for the header, footer, and items, and an image file to be displayed in the header (HeaderIm900ageUrl). The SortExpression property specifies the field that will be used to order the DataGrid when sorting according to this column. public abstract class DataGridColumn : System.Web.UI.IStateManager { // Public Constructors public DataGridColumn( ); // Public Instance Properties public virtual TableItemStyle FooterStyle{get; } public virtual string FooterText{set; get; } public virtual string HeaderImageUrl{set; get; } public virtual TableItemStyle HeaderStyle{get; } public virtual string HeaderText{set; get; } public virtual TableItemStyle ItemStyle{get; } public virtual string SortExpression{set; get; } public bool Visible{set; get; } // Protected Instance Properties protected bool DesignMode{get; } protected bool IsTrackingViewState{get; } // implements System.Web.UI.IStateManager protected DataGrid Owner{get; } protected StateBag ViewState{get; } // Public Instance Methods public virtual void Initialize( ); public virtual void InitializeCell(TableCell cell, int columnIndex, ListItemType itemType); public override string ToString( ); // overrides object // Protected Instance Methods protected virtual void LoadViewState(object savedState); // implements System.Web.UI.IStateManager protected virtual void OnColumnChanged( ); protected virtual object SaveViewState( ); // implements System.Web.UI.IStateManager protected virtual void TrackViewState( ); // implements System.Web.UI.IStateManager } Subclasses BoundColumn, ButtonColumn, EditCommandColumn, HyperLinkColumn, TemplateColumn Returned By DataGridColumnCollection.this Passed To DataGrid.InitializeItem( ), DataGridColumnCollection.{Add( ), AddAt( ), IndexOf( ), Remove( )} |