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Problem with indexchange

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ComboBox and ListBox (obsolete as of Q2 2010)
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Allan
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Allan asked on 27 Jan 2008, 02:16 AM
I'm making a program containĂ­ng several comboboxes, all linked to a sql database through a tableadapter. The problem is that when i change the index in one of the of the comboboxes they all change indexes.

Does anyone have any idea as to why this happends?

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Espen
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answered on 28 Jan 2008, 02:00 PM
This is just a wild stab in the dark, but are the datasources for the comboboxes hooked up to the same instance of the table(s) in use?

In other words :

DataTable dt = adapter.GetData();
cbo1.DataSource = dt;
cbo2.DataSource = dt;

If so it migth work if you do :

cbo1.DataSource = adapter.GetData();
cbo2.DataSource = adapter.GetData();

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Georgi
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answered on 29 Jan 2008, 02:56 PM
Hello Allan,

I am not sure what is your exact scenario, but (as Espen has already mentioned), if the comboboxes are attached to the same data source it is possible indices to be synchronized automatically. In fact, databinding mechanism and particulary CurrencyManager implement exactly this behavior (see: http://msdn2.microsoft.com/en-us/library/system.windows.forms.bindingcontext.aspx).

If you have any other questions regarding RadComboBox, please do not hesitate to write us.

Kind regards,
Georgi
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Allan
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answered on 02 Jun 2008, 07:47 AM
Sorry for the late reply. But the solution worked, problem solved.

tnx...
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Nikolay
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answered on 02 Jun 2008, 09:00 AM
Hi Allan,

I am glad to hear that the issue is now resolved.

If you need additional assistance, do not hesitate to contact me.

Sincerely yours,
Nikolay
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ComboBox and ListBox (obsolete as of Q2 2010)
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Allan
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Espen
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Georgi
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Allan
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Nikolay
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