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(Showing Draft Content)

组合条件查询

功能概述

组合条件查询是一种比较常用的查询方式,即设定多个条件进行数据查询。

如下图所示,当用户输入“ 日用百货 ”和“ 西北 ”两个查询条件后,预览报表。报表即查询出同时满足这两个条件的数据,这就是我们将要介绍的组合条件查询。

image2020-6-9_17-23-10.png

接下来以使用内嵌数据集为例为您介绍实现组合条件查询的操作步骤。

操作示例

1. 新建报表,添加报表参数

新建报表,使用空白RDL报表打开报表设计器,添加两个报表参数。

将参数名称和提示文本分别改为:“ 类别名称 ”,“ 请输入类别名称: ”和“ 销售大区 ”,“ 请输入销售大区: ”。具体如下图所示。

image2020-6-9_17-19-46.png

2. 添加内嵌数据集

使用WynDemoData添加内嵌数据集。并将报表参数传入数据集内部的查询参数。如下图所示。

image2020-11-2_15-3-23.png


输入SQL 查询语句: select * from 销售明细 where 类别名称=@查询参数1 and 销售大区=@查询参数2 ,并验证,确定。

image2020-11-2_15-4-11.png

3. 设计报表内容

具体如下图所示。

image2020-11-2_15-4-56.png

4. 预览报表

输入“ 日用百货 ”和“ 西北 ”后,单击预览即可预览到组合条件查询的结果。最后保存报表即可。

image2020-6-9_17-22-52.png