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David Ferreira
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May 1, 2007 - 1:58 PM
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I am currently evaluating ElegantGrid for use in one of my client’s projects.
I have a bound data grid loaded and grouped as desired, but so far I have been unable to figure out how to expand and collapse all groups through code. I have the groups by default collapsed, but I want to have buttons on the form which will expand and collapse all for the user.
Is this possible, and if so how?
-Dave Ferreira
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Technical Support
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May 3, 2007 - 7:04 AM
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In fact, there is no such API in the bound grid that allows you to expand and collapse grouped rows. In other words, a group row , which has a plus or minus sign, is not bound to some row in the data source and you cannot edit its label and expand or collapse the grouped rows below. In fact, a group row is an auxiliary visual element that makes working with tabular data more convenient and when the grid is grouped by a column, it is actually sorted.
If you need to control all the grid elements manually, the unbound grid control can be a good choice. This would allow you to work with rows and cells directly.
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