[{"id":"840f0737-df1d-47ae-bb0a-359b01fe0608","tags":[{"product":null,"links":null,"id":"adf72f47-7f61-4239-8392-b9bcc127fa80","name":"\u65B0\u589E","color":"green","productId":"0995490e-43fc-4d6e-bc8d-8e66f38b0c63"}]},{"id":"d5d9cdef-8854-4505-89be-a2bbc3cb4482","tags":[{"product":null,"links":null,"id":"adf72f47-7f61-4239-8392-b9bcc127fa80","name":"\u65B0\u589E","color":"green","productId":"0995490e-43fc-4d6e-bc8d-8e66f38b0c63"}]},{"id":"3dc3dd55-35b0-4d23-bf62-47bc3650e4ee","tags":[{"product":null,"links":null,"id":"adf72f47-7f61-4239-8392-b9bcc127fa80","name":"\u65B0\u589E","color":"green","productId":"0995490e-43fc-4d6e-bc8d-8e66f38b0c63"}]},{"id":"80d84fbc-d0f8-4e4a-947f-e3e4de9b49b2","tags":[{"product":null,"links":null,"id":"adf72f47-7f61-4239-8392-b9bcc127fa80","name":"\u65B0\u589E","color":"green","productId":"0995490e-43fc-4d6e-bc8d-8e66f38b0c63"}]},{"id":"9152b7ca-0186-4fe3-a26f-5a05f322db07","tags":[{"product":null,"links":null,"id":"adf72f47-7f61-4239-8392-b9bcc127fa80","name":"\u65B0\u589E","color":"green","productId":"0995490e-43fc-4d6e-bc8d-8e66f38b0c63"}]}]
报表表达式中,还可以使用一些特殊的对象或函数,如下表:
对象或函数 | 说明 |
---|---|
Nothing | 空指针对象,常用于判断表达式。例如:{IIF(x is Nothing, 1+2, 3+4)} |
System.DbNull.Value | 数据字段空值(NULL),常用于判断表达式。 |
UserContext.GetValue | 取用户上下文信息,专用于使用定制安全提供器实现单点登录的场合。 例如:{UserContext.GetValue("DepId")} 返回当前用户所属部门的代码。 其中DepId必须在定制安全提供程序中定义。详见用户/组织上下文。 |
# | 获取取报表内其他元素。例如:{#文本框5} 返回文本框5的内容。 |
Split | 将字符串转换为数组。 |