Figure 1: Default Form Options Binder Properties
图1：默认表单选项绑定器属性
| 名称 | 描述 | Name | Description |
|---|---|---|---|
| Form | Source form to load records from源表单来加载记录 | ||
| ID ColumnField ID from source form to set as option value. (Default: id) | 从源表单中将字段ID设置为选项值。（默认：id） | ||
| Label ColumnField | ID from source form to set as option label. (e.g. name)从源表单中将字段ID设置为选项标签。（例如名字） | ||
| Grouping Column | Field ID from source form to set as option grouping value.来自源表单的字段ID设置为选项分组值。 | ||
| Extra Filter ConditionFilter | condition in HQL to refine the selections.在HQL中筛选条件以优化选择。 | ||
| Add Empty Option | If checked, an empty option will be added to the selections.如果选中，则会将一个空白选项添加到选项中。 | ||
| Empty Option LabelEmpty option label. Only in use when Add Empty Option is checked. | 空的选项标签。只有在添加空白选项被选中时才被使用。 | ||
| Use AJAX for cascade options?When | checked, this allows these fields to dynamically load available options based on the other field value (grouping column) when dealing with tremendous amount of selections. Read more at Ajax Cascading Drop-Down List选中时，这允许这些字段在处理大量选择时动态地根据其他字段值（分组列）来 加载可用 选项。阅读更多： Ajax级联下拉列表. |
Related Video Tutorials
Widget Connector url https://www.youtube.com/watch?v=TXh_5_Wh26Y