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October 1st, 2004, 03:42 AM
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Value in Combobox
Hello,
How can I refer to value in combobox. Which's property, I can use.
Please give me a sample.
Thanks
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October 1st, 2004, 03:45 AM
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User the SelectedValue property
Regards
Ganesh
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October 1st, 2004, 03:58 AM
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Thanks
I try to use the SelectedValue but it's error like the follow massage.
[u]A first chance exception of type 'System.InvalidCastException' occurred in microsoft.visualbasic.dll
Additional information: Specified cast is not valid.</u>
and
[u]A first chance exception of type 'System.InvalidCastException' occurred in microsoft.visualbasic.dll
Additional information: Cast from type 'DataRowView' to type 'Integer' is not valid.</u>
If you know why, please tell me more
Thanks
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October 1st, 2004, 04:06 AM
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can u send me the code which you have written. It seems you are assigning it to a wrong datatype. This is not the error when u read the SelectedValue Property
Regards
Ganesh
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October 1st, 2004, 04:21 AM
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Hi;
I write this code in my UI in order to pass value to bussiness object.
Me.oBirthDistrict.GetDistrictsByProvinceIdentity(M e.cboBirthProvince.SelectedValue)
Regards
pasert
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October 1st, 2004, 04:53 AM
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I am sorry, the reply bebore not complete
The first error occur from this code.
Me.oBirthDistrict.GetDistrictsByProvinceIdentity(M e.cboBirthProvince.SelectedValue)
The second error occur from this code.
Me.oBirthDistrict.GetDistrictsByProvinceIdentity(C Type(Me.cboBirthProvince.SelectedValue, Integer))
regards
prasert
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October 1st, 2004, 05:02 AM
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what do u have as the values of the ListItems? are they strings or Integer strings?
Regards
Ganesh
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October 1st, 2004, 05:13 AM
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Hello,
The Values of the ListItems are Integer
Regards
Prasert
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October 1st, 2004, 05:17 AM
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Hello,
The Values of the ListItems(source value) are Integer but the displays(source display) in combobox are String.
Regards
Prasert
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October 1st, 2004, 05:38 AM
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what does your GetDistrictsByProvinceIdentity method accept as a parameter? if it accepts an integer, you should cast the SelectedValue as integer before passing
Regards
Ganesh
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