Dataset not updating database vb net

Data Public Class Main Class Shared Sub Main() Dim ds Users As New Data Set() dtm Users. Add(dcm Last Name) ' Activate the mapping mechanism da Users. To test this source code create a Windows application, drop a Data Grid, and three buttons- Insert Command, Update Command, and Delete Command – to the form.

dataset not updating database vb net-45

After that I assign values of the row and call the Data Adapter's Update method. Updating data using the Data Adapter's Update method sender, System. Listing 5-50 deletes the row with the value Tst ID. Cheers, Andrew A query is passed to the database and 1 record is returned, the usual way to save data back to the database is to movelast, movefirst (on the form's data bindings), then update the data adapter and accept changes on the dataset.... since i'm only returning 1 record i can't move off it, movefirst and movelast both are at postition 1. If so, why are you worrying about "can't move off it, movefirst and movelast both are at postition 1". A query is passed to the database and 1 record is returned, the usual way to save data back to the database is to movelast, movefirst (on the form's data bindings), then update the data adapter and accept changes on the dataset.... since i'm only returning 1 record i can't move off it, movefirst and movelast both are at postition 1. Just letting you all know I have no intent of returning more than 1 record. Update(dat karthikeyan TP, to my understanding and experience, when editing the 1 record returned by the query I must move off that record before the database can update and accept the changes. As you can see from the code, I called the Find method to find the row and called the Delete method of the Data Row.After that I called the Data Adapter's Update method to save the changes to the database table.

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