Bug 189100 [Regression]X-axis data column issue[0001]
Description: [Regression]X-axis data column issue[0001] Step: 1.New a sample datasource and dataset from OFFICES 2.New a chart and use the dataset 3.Change the data type of OFFICECODE from string to integer. 4.Drop the column of OFFICECODE to Value(Y)Series. Actual result: Show the error message: Unable to use a text data to render a numerical/datetime axis.
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/impl/BindingColumnsEvalUtil.java
for ( int i = 0; i < resultClass.getFieldCount( ); i++ )
					columnNameSet.add( resultClass.getFieldName( i + 1 ) );
			}
			catch ( DataException e )
			{
				
			}
		}
		
		/**
		 * @param columnName
		 * @return
		 */
		private boolean contains( String columnName )
		{
			return columnNameSet.contains( columnName );
		}
		
		/**
		 * @param columnName
		 * @return
		 * @throws DataException
		 */
		private Object getValue( String columnName ) throws DataException
		{
			return ri.getCurrentResult( ).getFieldValue( columnName );
		}
	}
}