Bug 200290 The warning message "A Column Binding Name as xxx already exist" should occurs while input the column binding name but not the expression[0001]
Description: The warning message "A Column Binding Name as xxx already exist" should occurs while input the column binding name but not the expression[0001] Build number: 2.2.1.v20070817-0630 Steps to reproduce: 1, New a table binding on a dataset 2, Insert a data item and input a already existed name such as CUSTOMERNUMBER 3, Specify the expression Expected result: In step2, a warning message: "A Column Binding Name as xxx already exist" should occurs to warning the user Actual result: In step3, the warning message occurs I think we should pops up this message during inputting column binding name but not inputting column binding expression. Hope to enhance that.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/dialogs/BindingDialogHelper.java
this.newBinding,
							true );
				}
				else
				{
					for ( int i = 0; i < DATA_TYPE_CHOICES.length; i++ )
					{
						if ( DATA_TYPE_CHOICES[i].getDisplayName( )
								.equals( cmbType.getText( ) ) )
						{
							this.binding.setDataType( DATA_TYPE_CHOICES[i].getName( ) );
							break;
						}
					}
					this.binding.setDisplayName( txtDisplayName.getText( ) );
					this.binding.setExpression( txtExpression.getText( ) );
				}
			}
		}
	}
	private void saveAggregate( ) throws Exception
	{
		if ( isCreate )
		{
			for ( int i = 0; i < DATA_TYPE_CHOICES.length; i++ )
			{
				if ( DATA_TYPE_CHOICES[i].getDisplayName( )
						.equals( cmbType.getText( ) ) )
				{
					this.newBinding.setDataType( DATA_TYPE_CHOICES[i].getName( ) );