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http://www.delphigroups.info/2/dc/222583.html
Re:"Dataset does not support bookmarks which are required for mult-record data controls." The component is a TADOQuery comp. Individual tables have primary keys, but this is a multiple tables query.
https://www.devexpress.com/Support/Center/Question/Details/B30861/error-on-quantumgrid-dataset-does-not-support-bookmarks
Apr 24, 2008 · dxDBGrid1.Dataset.ADODataset.ConnectionString = ConnectionString dxDBGrid1.Dataset.ADODataset.CommandText = "Select * from tnat" when i run i get message : dataset does not support bookmarks,wich are required for multi-record data controls. Possible solution : Try to use CursorLocation=ClUseClient
https://stackoverflow.com/questions/849568/how-long-does-a-tdataset-bookmark-remain-valid
In general, bookmarks become invalid during: close/open; refresh (on datasets that support it) data changes (sometimes only deletions) I know 1. and 2. can invalidate your bookmarks in TClientDataSets. I am almost sure that for TClientDataSets it does not matter which underlying provider is used (TSQLQuery, TIBQuery, etc).
https://docs.microsoft.com/en-us/dotnet/api/system.data.datarowextensions.field
Remarks. The DataSet class represents null values with the Value instance of the DBNull class. A Language-Integrated Query (LINQ) expression that accessed a column with a null value would generate a InvalidCastException at run time. Additionally, DataSet does not support nullable types. The Field method provides support for accessing columns as nullable types. . If the underlying value in the ...
https://community.powerbi.com/t5/Issues/Bookmarks-not-working-properly-in-power-BI-Service/idi-p/746462
I have created a report using bookmarks feature in power bi desktop and uploaded to service. Everything works fine in desktop version, however bookmarks are not working properly in power bi service. Some of the visuals are not changing acording to the status of bookmarks. Problem is with visuals wh...
http://www.delphigroups.info/2/50/539195.html
Oct 11, 2000 · Load bookmarks from Opera browser into Treeview. 2. Storing Data in the Treeview Data Property. 3. bookmark/Access --not a valid bookmark table? 4. Dataset does not support bookmarks, which are required for multi-record data controls. 5. insert data from delphi to word97's bookmarks. 6. Insert Data From Delphi to Word97's Bookmark. 7.
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