How to copy columns from data grid to another?

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Hi All,

I have one datagrid and want all other datagrids to have the same columns

This is not working:

dataGridViewActiveElement.Columns = dataGridViewAllElements.Columns;

Even this one is NOT woking:

foreach (DataGridViewColumn dgvc in dataGridViewAllElements.Columns)
{
    dataGridViewActiveElement.Columns.Add(dgvc);
}

Is this the best way ?

Please guide me.

Thanks in Advance.

Posted 6-Jul-11 16:25pm

john1990_1

Updated 6-Jul-11 18:22pm

Ramalinga Koushik

v5

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[no name] 6-Jul-11 22:33pm

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2 solutions

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Sergey Alexandrovich Kryukov · Answer 1 · 2011-07-06T20:50:00

Main principle is this: don't copy data from one control to another one.

Instead, create a data layer. Populate all controls from data. When a control event is supposed to change some data, do it on your data layer, then send a notifications to other controls used by all controls to re-populate or adjust data presentation accordingly. That means, you control should play the role of listeners or the observable data structure. Even if you don't introduce those concept explicitly (which is recommended though), the design of the code should follow this or similar pattern.

I suggest you learn and analyze applicability of the following architectural patterns (http://en.wikipedia.org/wiki/Architectural_pattern_(computer_science)[^]):

MVVM — Model View View Model,
http://en.wikipedia.org/wiki/Model_View_ViewModel[^],

MVC — Model-View-Controller,
http://en.wikipedia.org/wiki/Model-view-controller[^]),

MVA — Model-View-Adapter,
http://en.wikipedia.org/wiki/Model–view–adapter[^],

MVP — Model-View-Presenter,
http://en.wikipedia.org/wiki/Model-view-presenter[^].

Pay attention for the motivation of those architectures. If you understand it, you would be able to create better design ideas.

—SA

Firo Atrum Ventus · Answer 2 · 2011-07-06T18:01:00

Solution 1

You can clone its data source like this:

C#

DataTable dtAll = dataGridViewAllElements.DataSource;
DataTable dtNew = dtAll.clone();
dataGridViewActiveElement.DataSource = dtNew;

Don't worry, the data won't be copied, just the schema.

Posted 6-Jul-11 18:01pm

Firo Atrum Ventus