Finereport displays and hides column data according to conditions

scene ： Just received a request , province 、 City 、 District and county level linkage drop-down options , When asked to choose a province , Data display is not processed ; When choosing a city , Need to show provincial data ; When choosing districts and counties , Need to show Province 、 Two columns of data .

that , This setting , How to implement this software through fansoft ？

In limine , Also quite confused , But , When I see this post , Inspired , therefore , Operation started .

FineReport Show and hide columns according to query parameters _ Zui Mengluo's blog -CSDN Blog _ Velvety Hide columns

First , Data ready , This is the premise. , then , Open sail software , Put the columns and parameters you should show , Put it in the right place ：

（ chart 1）

then , Determine which columns to display ： Province and City .

here , We should be clear , These two columns must pass certain conditions , Display and hide , This is the basic idea .

Okay , Take a look at sail software , How to set it ：

First step ：

Mouse click “ Province ”, Right click ,“ Conditional properties ”, On the far right , See the following picture ：

（ chart 2）

Click on “+”, See the following ：

（ chart 3）

continue Click on “+”, Click on “ Column width ”, See the following ：

（ chart 4）

The second step ：

Key points , Set conditions . Click on “ The formula ”, It is shown as follows ：

（ chart 5）

Here we are. , We need to jump back to the options above , determine province 、 City 、 District and county three options , The corresponding parameter ：

$province_region_id

$region_id_temp

$district_region_id

that , Next , You have to think , What circumstance , This column shows 0 mm （ That is, it hides ）.

Currently, it is a provincial column , That is, when the provincial options have data , And city , District and county options , When there is no data , Hide provincial Columns , because , My third column , What is displayed is the provincial data , therefore , Provincial column , Of course not .

therefore , On the condition that ：

（ chart 6）

therefore , Add conditions one by one . Input condition , Click on “+”, Can be added to the big box below , namely ：

（ chart 7）

here , One thing to note , Is your new condition , The relationship with the previous condition , Here you are “ And ” and “ or ” Two relationships .

After selection , The corresponding below will show and or or Relevant words .

Add good , Click blank , That's all right. , Not saved , Select in the big box , It's preservation .

Then , Municipal column , Choose , Right click ,“ Conditional properties ”,“ Adding conditions ”, Add conditions for the same province column , here , List conditions

（ chart 8）

Why do you write that , I won't go into that , Understand everything .

The third step ：

Look at the end result

Select Province ：

（ chart 9）

Choose the city ：

（ chart 10）

Select district and county ：

（ chart 11）

Implementation requirements , This is the end of the document . Actually , This thing , To put it bluntly , Is the familiarity with software , but , Sometimes it's urgent , If you can't find , eureka , But I can't get around that bend again , It's fucking ！

therefore , here , Just be a guide .