Working with roles , source fields , and expressions 使用角色、源字段和表达式
Use to create a new source field within the selected entity 用于在所选实体内创建新的源字段。
The data source field to be used as the source of the button caption 将用作按钮标题的源的数据源字段。
The data source field to be used as the source of the hyperlink text 要用作超级链接文本的源的数据源字段。
How to : add , modify , or delete a source field model designer 如何添加、修改或删除源字段如何添加、修改或删除表达式
New source field 新建源字段。
Discusses the properties that are assigned to entities , folders , perspectives , roles , and source fields 介绍可分配给实体、文件夹、透视、角色和源字段的属性。
Discusses how to create and manipulate roles , source fields , and expressions within a report model project 介绍如何在报表模型项目中创建和操作角色、源字段和表达式。
In addition , @ isnull fieldname contains 1 if the source field contains null , and 0 if it does not 此外,如果源字段包含空值,则@ isnull fieldname包含1如果不包含空值,则包含0 。
Are used by custom control designer components to provide lists of data source fields and properties for data - bound controls at design time 的类在设计时为数据绑定控件提供数据源字段和属性的列表。