我的数据库程序功能齐全,当我向数据库添加新条目时,它们正确显示在我的DataGridView上。但是,关闭程序后,这些更改不会保存。如何将更改保存回数据库?这里是我的代码:VB.Net SQL数据库 - 如何保存对数据库的更改?
Dim conn As New SqlClient.SqlConnection(My.Settings.MainDatabaseConnectionString)
Dim query As String = "INSERT INTO Users VALUES('Something','Test');"
Dim cmd As New SqlClient.SqlCommand(query, conn)
Dim reader As SqlClient.SqlDataReader
'Open Connection
conn.Open()
'Execute Query
reader = cmd.ExecuteReader
'Close Connection
conn.Close()
'Update DataGridView
Me.UsersTableAdapter.Fill(Me.UsersDataSet.Users)