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So you check out whther you need an explicit Insert Command or not. Message) End If End Sub Put both these functions in your class then call objblocks.

In case there's more than one table joined you need an explicit query and it should be assigned to the Insert Command as you are doing.

The Sql Command Builder object acts as a listener for Row Updating events, whenever the Data Adapter property is set.

You can create a Sql Command Builder object to automatically generate SQL statements for single table updates if you set the Select Command property of the Sql Data Adapter. Sql Data Adapter adapter = new Sql Data Adapter("your sql statement", connection); Sql Command Builder cmd Builder = new Sql Command Builder(adapter); adapter.

The Insert , Update and Delete SQL operations , we are using the continuation of the Select command perform by the Data Adapter.

That is the Data Adapter uses the Select statements to fill a Data Set and use the other three SQL commands (Insert, Update, delete) to transmit changes back to the Database.

Execute Non Query() End With Catch ex As Exception Msg Box(ex. New Row new Block("dist_code") = txt District Code. In case its a simple single table situation this code will do, Put this code in the Class whose object is objblocks Public Sub Update Records 'Open a data Adpater and pass a Select statement to it Dim DA As Ole Db Data Adapter = New Ole Db Data Adapter("Select * from Your_Table", "Your_Connection_String") 'This will Handle the Row Updated event Add Handler DA. Errors Is Nothing Then Msg Box("No Errors") 'You can access the Row being Updated as Dim Dr as data Row=e. Update Records Thanks again I have gone through your explaination carefully and again and again. Execute Scalar() End With Catch ex As Exception Msg Box(ex. From the following links describe how to use Sql Data Adapter and Ole Db Data Adapter in detail.taset) , i dont see vb calling the respective command objects. Insert Command = CMDInsert Blocks Try With CMDInsert Blocks . It provides the feature of reflecting the changes made to a Data Set or an instance of the SQL server data. The Command Builder opens the Connection associated with the Data Adapter Object and makes a round trip to the server each and every time and it's asked to construct the action queries.

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