Bug 177439 Need an easy way to determine default value for a dynamic parameter
Currently, I have to bring up the data set editor, preview the results in the data set and make a mental note of the value to use for a report parameter that depends on a data set. It would be nice to have a drop down on the default value field, such as <Select value> which when selected queries the data set and presents me with a list to select from.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/CascadingParametersDialog.java
{
							value = LABEL_SELECT_DATA_SET;
						}
						else
						{
							value = dataSet.getName( );
						}
						break;
					}
					case 2 :
					{
						if ( paramHandle.getValueExpr( ) != null )
						{
							value = getColumnName( paramHandle, COLUMN_VALUE );
						}
						else if ( getDataSetColumns( paramHandle, true ).length > 0 )
						{
							value = LABEL_SELECT_VALUE_COLUMN;
						}
						else
						{
							value = LABEL_NO_COLUMN_AVAILABLE;
						}
						break;
					}
					case 3 :
					{
						value = getColumnName( paramHandle, COLUMN_DISPLAY_TEXT );
						if ( value == null )
						{