Bug 155365 Can not set data type to "date time" when editing "Data Item"
Description: Can not set data type to "date time" when editing "Data Item" Steps to reproduce: 1. Insert a data item to the layout 2. Name it and set the expression to "a = new Date()" 3. Select the data type to date time 4. Press ok Actual result: An Birt Exception is thrown out. Expected result: No NPE thrown out
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/ColumnBindingDialog.java
}
		}
	}
	private boolean existHighLightColumn( )
	{
		if ( highLightName == null )
			return false;
		for ( int i = 0; i < bindingTable.getTable( ).getItemCount( ); i++ )
		{
			TableItem item = bindingTable.getTable( ).getItem( i );
			if ( item.getText( 1 ).equals( highLightName ) )
				return true;
		}
		return false;
	}
	private void setHihtLightColumn( )
	{
		if ( highLightName == null )
			return;
		for ( int i = 0; i < bindingTable.getTable( ).getItemCount( ); i++ )
		{
			TableItem item = bindingTable.getTable( ).getItem( i );
			if ( item.getText( 1 ).equals( highLightName ) )
			{
				item.setForeground( 1, Display.getDefault( )
						.getSystemColor( SWT.COLOR_BLUE ) );
				bindingTable.getTable( ).setSelection( i );
			}
			else
			{