Sqldataadapter not updating


26-Jul-2017 06:23

This is okay because they have a given region or customer base where other people won’t be changing the same records.At the end of the day, the sales person will connect to the network and update changes for overnight processing.Data Sets only hold data and do not interact with a data source.

This place holder will not necessarily be the same value as what the database will contain. The Unique constraint Unique Constraint Parent Constraints = new Unique Constraint(new Data Column[] ); My Data Set. In that case wrap the below foreach loop in another foreach loop to iterate through each table.foreach (Data Row row in New Data. You have to set preserve Changes to true or the Merge will throw out all your changes and nothing will make it into the new database. Sql Command Builder Parent Command Builder = new Sql Command Builder(Parent Adapter); Sql Command Builder Child Command Builder = new Sql Command Builder(Child Adapter); My Data Set.

The Sql Data Adapter opens a connection only when required and closes it as soon as it has performed its task.

For example, the Sql Data Adapter performs the following tasks when filling a Data Set with data: In between the Fill and Update operations, data source connections are closed and you are free to read and write data with the Data Set as you need.

Row Updated = new Sql Row Updated Event Handler(Adapter Row Updated); And here is the event handlerprivate void Adapter Row Updated(object sender, Sql Row Updated Event Args e) Now when you Update the database all your rows will have the same IDs.

Add(Parent FK); If you are merging 2 databases together I would recommend following the same steps above for the second database. Tables["Child Table"]); Now just check the destination database and everything should be there.A couple scenarios illustrate why you would want to work with disconnected data: people working without network connectivity and making Web sites more scalable.Consider sales people who need customer data as they travel.After spending some time researching the subject here is the best way I have found to deal with the issue. We have 2 Data Sets and we need to merge them together.



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