Bug 129886 Delect a column contain the marge row which contain some item, Error message pop up
Details: Delect a column contain the marge row which contain some item, Error message pop up Setp: 1.New a library and add a 3*3 grid 2.Insert a label in cell(1,1) 3.Marge the cell of (1,1) and (1,2) 4.Delete column 1. Actual result: An error message pop up
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/editors/schematic/editparts/TableEditPart.java
}
	/**
	 * @return selected row and column area
	 */
	public Rectangle getSelectRowAndColumnRect( )
	{
		return selectRowAndColumnRect;
	}
	/**
	 * Set selected row and column area.
	 * 
	 * @param selectRowAndColumnRect
	 */
	public void setSelectRowAndColumnRect( Rectangle selectRowAndColumnRect )
	{
		this.selectRowAndColumnRect = selectRowAndColumnRect;
	}
	/**
	 * Gets data set, which is biding on table.
	 *  
	 */
	public Object getDataSet( )
	{
		return getTableAdapter( ).getDataSet( );
	}
	/**
	 * Get the cell on give position.
	 * 
	 * @param rowNumber
	 * @param columnNumber