請問一下我下列的程式碼哪裡出了問題嗎...?
想要的功能一直沒有出來 >"<


Imports MySql.Data.MySqlClient
Public Class Form1
Dim connstr As String = "Database=login;" & _
"Data Source=localhost;" & _
"User Id=root;passwrod=123456"
Dim connection As New MySqlConnection(connstr)
Function updateRecord(ByVal query As String) As Integer
Try
Dim rowsEffexted As Integer = 0
Dim connection As New MySqlConnection(connstr)
Dim cmd As New MySqlCommand(query, connection)
connection.Open()
rowsEffexted = cmd.ExecuteNonQuery()
connection.Close()
Return rowsEffexted
Catch ex As Exception
Console.WriteLine(ex.Message)
End Try
End Function
Private Sub SubmitButton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles SubmitButton.Click
Console.WriteLine(updateRecord("INSERT INTO users (username, password) VALUES ('" & txtusername.Text & "','" & txtpassword.Text & "')"))
End Sub
End Class