Drop down remains when changing a tab in tab control

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I am using .net framework 3.5 windows forms.

I have three tabs on a tab control
On the first tab there is a drop down with auto suggest mode
When I select a value in the drop down which does not match any value in the drop down, the drop down suggets all values
When I change the tab the suggested value of the drop down is available in the next tab.
I can select the value in this tab and when I check the first tab the drop down has the selected value
How to hide the drop down when moving to othe tabs.
When the value is matching a record in the drop down the problem does not occur as on tab chnage it selects the value.

I have attached images here:
When drop down is selected
http://imgur.com/AE4qD

When tab is changed
http://i.imgur.com/DBfov.jpg

Posted 28-Aug-11 20:36pm

Sakshi Smriti

Updated 28-Aug-11 21:04pm

v3

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Shameel · Answer 1 · 2011-08-29T01:51:00

It seems to be a bug in the AugoSuggest feature of the dropdown. You can try turning off Auto suggest when the tab becomes invisible and then turn it on when the tab is selected.

I haven't tested this code, just out of my mind:

C#

void TabChanged(........) {
    if (tabControl.SelectedIndex = 0) { //First tab
        //Turn on auto suggest
    } esle {
        //Turn off auto suggest
    }
}