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ComboBoxAdv and Ms-Access

Greetings, I would like to have some of the properties that Ms-Access provides in its combo-box, namely: 1- LimitToList: user can only choose from the list or can type in text NOT in the list) 2- LimitToListText: message to display when LimitToList=True and user keys in a value not in the list In addition the previouse: 3- (IncludeAll) and (IncludeAllText): add a option to the list 4- (IncludeNull) and (IncludeNullText): this property is already applied in the DateTimePickerExt and ofcourse the famouse (READONLY) Do you have any suggestions as how to implement these properties. I know I should create a new user control that inherits from ComboBoxAdv BUT I need help as to how to implement the logic of these properties Thanx

2 Replies

AS Arun Srinivasan Syncfusion Team September 15, 2003 07:43 AM

Omar, A quick update for now. I did discuss these suggestions with the Development Team and I will get back to you on this as soon as I get more information on this issue. Thanks for your feedback and suggestions. Arun


AS Arun Srinivasan Syncfusion Team September 18, 2003 06:28 AM

Hi Omar, 1. This can be done by setting the DropDownStyle to DropDownList. 2. This can be easily implemented by listening to the Validating or TextChanged event and then showing a message box if the SelectedIndex in the combo is -1. 3-4: The DateTimePicker explicitly allows you to specify a NullText because it usually shows only date-time text. Whereas in the case of a combobox, it lets you show ANY text, one of which could be a “Null” text or “All” text. So, the question arises whether there a real need for such property(s). Thanks for your feeback and do let us know if you have any further questions. Arun

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