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#1
April 17th, 2008, 04:07 PM
posted to microsoft.public.access.forms
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Yes/No column in Datasheet view
I have a Yes/No column in a datasheet view. When I click in the column Yes
changes to -1 and No changes to 0. Why does it do this and can I prevent it? I'd like to be able to choose Yes or No from a drop-down, is this possible? Thanks. 
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#2
April 17th, 2008, 05:15 PM
posted to microsoft.public.access.forms
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Yes/No column in Datasheet view
A Yes/No data type is known as a Boolean data type. The actual values are 0
for No and -1 for Yes. Yes and No have no meaning, however, True and False are Access constants that return the corresponding values. In the properties dialog for the control, select the format tab and use the dropdown to select Yes/No. Those values will then show, but the underlying field will still be 0 and -1. -- Dave Hargis, Microsoft Access MVP "mscertified" wrote: I have a Yes/No column in a datasheet view. When I click in the column Yes changes to -1 and No changes to 0. Why does it do this and can I prevent it? I'd like to be able to choose Yes or No from a drop-down, is this possible? Thanks.
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#3
April 17th, 2008, 08:54 PM
posted to microsoft.public.access.forms
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Yes/No column in Datasheet view
I already have Format set to Yes/No, I tried changing it to True/False but it
makes no difference. As soon as I click in the column the value changes to -1 or 0. That is not very user-friendly. In a datasheet, is there no way to just show the logical values rather than the underlying value? "Klatuu" wrote: A Yes/No data type is known as a Boolean data type. The actual values are 0 for No and -1 for Yes. Yes and No have no meaning, however, True and False are Access constants that return the corresponding values. In the properties dialog for the control, select the format tab and use the dropdown to select Yes/No. Those values will then show, but the underlying field will still be 0 and -1. -- Dave Hargis, Microsoft Access MVP "mscertified" wrote: I have a Yes/No column in a datasheet view. When I click in the column Yes changes to -1 and No changes to 0. Why does it do this and can I prevent it? I'd like to be able to choose Yes or No from a drop-down, is this possible? Thanks.
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#4
April 17th, 2008, 08:58 PM
posted to microsoft.public.access.forms
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Yes/No column in Datasheet view
If that is not working, I don't know another way.
-- Dave Hargis, Microsoft Access MVP "mscertified" wrote: I already have Format set to Yes/No, I tried changing it to True/False but it makes no difference. As soon as I click in the column the value changes to -1 or 0. That is not very user-friendly. In a datasheet, is there no way to just show the logical values rather than the underlying value? "Klatuu" wrote: A Yes/No data type is known as a Boolean data type. The actual values are 0 for No and -1 for Yes. Yes and No have no meaning, however, True and False are Access constants that return the corresponding values. In the properties dialog for the control, select the format tab and use the dropdown to select Yes/No. Those values will then show, but the underlying field will still be 0 and -1. -- Dave Hargis, Microsoft Access MVP "mscertified" wrote: I have a Yes/No column in a datasheet view. When I click in the column Yes changes to -1 and No changes to 0. Why does it do this and can I prevent it? I'd like to be able to choose Yes or No from a drop-down, is this possible? Thanks.
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