Updating dataset in asp net
Sql Client; public partial class Discount : System. I'm trying to update a Data Set object with a Grid View. We have a 3-tier architecture with strict boundaries. This means that communication between UI components and Business components is done by means of a Data Set.I tried hard to use one of the Data Source objects to update a Data Set, but was not able to do this. Text where e is the eventargs parameter passed to the updating event. Well, you'll just have to go through the controls collection of each cell to get a reference to the controls placed inside it. What I'm trying to understand is why the New Values/Old Values/Keys properties of the Event Args parameter are populated when using one of the built in data sources, but not when manually binding a Data Set to the Grid View. well, it's just one of the things that stop working when you don't use the data source controls.So we bind the Data Set object directly to the Data property of the Grid View object. for instance, if you've got a textbox on the 1st column, then you'll have to do something like this to get its text; ((Text Biox)grid. for instance, sorting and paging don't work without adding code. Unfortunately this isn't something that has been updated in RC1 and probably won't see the actual release version either.
The first step is to update the dataset with new records, changed records, or deleted records.
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This generation logic requires key column information to be present in the Data Set. After any data is loaded back into the Data Set, the On Row Updated event is raised, allowing the user to inspect the reconciled Data Set row and any output parameters returned by the command.
For more information see Generating Commands with Command Builders. After a row updates successfully, the changes to that row are accepted.
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When using Each command associated with the Db Data Adapter usually has a parameters collection associated with it.