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
String newName = getDataSetName( );
						if ( newName != null )
						{
							combo.setText( newName );
						}
						else
						{
							combo.select( 0 );
						}
					}
					else
					{
						try
						{
							DataSetHandle dataSet = null;
							if ( value != null )
							{
								dataSet = inputElement.getModuleHandle( )
										.findDataSet( value );
							}
							inputElement.setDataSet( dataSet );
							getParameterBindingPropertyHandle( ).clearValue( );
							if ( rCode == 0 )
							{
								inputElement.getColumnBindings( ).clearValue( );
							}
							generateBindingColumns( );
							setHihtLightColumn( );
						}
						catch ( SemanticException e )