tailieunhanh - The DataRowView Class

The DataRowView Class Rows in a DataView object are stored as objects of the DataRowView class. | The DataRowView Class Rows in a DataView object are stored as objects of the DataRowView class. A DataRowView object provides access to the underlying DataRow object in a DataTable. When you examine and edit the contents of a DataRowView you are actually working with the underlying DataRow. Keep this in mind when working with DataRowView objects. Table shows some of the DataRowView properties and Table shows some of the DataRowView methods. Table DataRowView PROPERTIES PROPERTY TYPE DESCRIPTION DataView DataView Gets the DataView that the DataRowView belongs to. IsEdit bool Gets a bool that indicates whether the DataRowView and therefore the underlying DataRow is in edit mode. IsNew bool Gets a bool that indicates whether the DataRowView has just been added. Row DataRow Gets the underlying DataRow that is being viewed from the DataTable. RowVersion DataRowVersion Gets the DataRowVersion of the underlying DataRow. Members of the enumeration are Current which indicates the DataRow contains the current values. Default which indicates the DataRow contains the default values. Original which indicates the DataRow contains the original values. Proposed which indicates the DataRow contains proposed values. Table DataRowView METHODS METHOD RETURN TYPE DESCRIPTION BeginEdit void Begins editing of the DataRowView in your DataView and therefore begins the editing of the underlying DataRow in your DataTable. You then edit this DataRow through the DataRowView. Table DataRowView METHODS METHOD RETURN TYPE DESCRIPTION CancelEdit void Cancels editing of the DataRowView in your DataView and therefore cancels editing of the underlying DataRow. CreateChildView DataView Overloaded. Returns a DataView for a child DataTable if present. Delete void Deletes the DataRowView in your DataView. The deletion of the underlying DataRow isn t committed in the DataTable until you call the AcceptChanges method of your DataTable. You can undo the .