Oledbdataadapter not updating
The Command Type property of the Insert Command must be set to Stored Procedure. Stored Procedure ' Add the parameter for the Category Name. The identity output is retrieved by creating a Sql Parameter that has a Parameter Direction of Output. Specifying the ' Parameter Direction for an input parameter is not required. The When working with Microsoft SQL Server, you can create a stored procedure with an output parameter to return the identity value for an inserted row. Shippers " & _ "WHERE Shipper ID = SCOPE_IDENTITY();", _ connection) ' Add the parameter for the inserted value.
The stored procedure can then be specified as the source of the Insert Command of a Sql Data Adapter object.
During a call to the , the database can send data back to your ADO. The Insert Command executes two Transact-SQL statements; the first one is the INSERT statement, and the second one is a SELECT statement that uses the SCOPE_IDENTITY function to retrieve the identity value. Both ' Missing Schema Action adds any missing schema to ' the Data Table, including identity columns adapter.
NET application as output parameters or as the first returned record of the result set of a SELECT statement executed in the same batch as the INSERT statement. NET can retrieve these values and update the corresponding columns in the Data Row being updated. Private Sub Merge Identity Columns(By Val connection String As String) Using connection As Sql Connection = New Sql Connection( _ connection String) ' Create the Data Adapter Dim adapter As Sql Data Adapter = New Sql Data Adapter( _ "SELECT Shipper ID, Company Name FROM dbo.
Write Line("Rows before merge:") Dim row1 As Data Row For Each row1 In categories. Write Line(" : ", row1(0), row1(1)) Next ' Merge the two Data Tables.
Write Line("Rows after merge:") Dim row As Data Row For Each row In categories. Write Line(" : ", row(0), row(1)) Next End Using End Sub Private Shared Sub On Row Updated( _ By Val sender As Object, By Val e As Ole Db Row Updated Event Args) ' Conditionally execute this code block on inserts only. Dim cmd New ID As New Ole Db Command("SELECT @@IDENTITY", _ connection) e.