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Bug Report T858148
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Form - The ItemOptions method does not update column count of GroupItems

created 5 years ago (modified 5 years ago)

Issue: Modifying colCount of grouped items using itemOptions is not working in 19.2.5
Demo: CodeSandBox React

Steps to Reproduce:

  1. Using link provided, click the button with text SET COLCOUNT = 2
  2. Notice for a split second Form tries to set the column to 2 but immediately resets to 1

Actual Behavior:
Form did not update column count of GroupItem

Expected Behavior:
Form would split the column to 2.

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Answers approved by DevExpress Support

created 5 years ago

Hi,

We researched this issue and found that, unfortunately, the current architecture does not allow us to fix it. It requires rewriting a lot of internal code, which can affect existing customer scenarios. We have plans to fix this issue in the future. But, I can't give you a precise date as to when a fix may be ready.

Currently, we recommend using React state instead of the itemOption method as in the examples below:

JavaScript
setColCount = () => {
    this.form.current.instance.itemOption("mygroup", "colCount", 2);
};
JavaScript
setColCount = () => {
    this.setState({
      colCount: 2
    });
 };
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