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本示例将要介绍的是在一张报表内即时动态查询内容。
如下图，在上方选择学生的姓名，下方显示已勾选学生的成绩。点击“全员”，即可显示所有学生的成绩。
接下来就为您介绍本示例具体的操作步骤。
1. 创建报表，添加学生成绩数据集。并添加一个报表参数。
报表参数设置如下，开启多值和隐藏两个属性，并设置默认数据来自数据集。
2. 添加一个文本框，输入“全员”。设置钻取类型为应用到报表参数，添加应用项目为重置报表参数1。具体设置如下图。
3. 添加列表组件，将其分5列。然后在第一列中添加一个复选框和一个文本框。
将文本框的选中状态设置为表达式 ：{IndexOf(@报表参数1, 姓名) > -1}
富文本绑定“姓名”字段。
选中整个列表组件，为其设置参数应用。使其为报表参数1切换“姓名”。
4. 添加数据表展示学生成绩，并添加数据过滤。使用报表参数1过滤学生姓名。
5. 预览报表，此时即可呈现出文初的效果。
下载示例资源包，然后将其导入系统，可以看到具体的设计细节，方便您参考学习。