[VB.NET] รบกวนสอบถามเกี่ยวกับการเพิ่มข้อมูลใน DataGridView คะ (มือใหม่)

Imports System.Data.SqlClient
Public Class VendorSpecific
    Dim connectionString As String = "Data Source=(LocalDB)\v11.0;Initial Catalog=SpecCompliantModule_01;Integrated Security=True;Connect Timeout=15;Encrypt=False;TrustServerCertificate=False"
    Dim connection As New SqlConnection(connectionString)
    Dim dataadapter As SqlDataAdapter
    Dim ds As New DataSet()
    Dim sql As String = "SELECT * FROM [dbo].[VendorSpecificMan]"
    Dim cmdBuilder As SqlCommandBuilder


    Private Sub VendorSpecific_Load(sender As Object, e As EventArgs) Handles MyBase.Load
        'TODO: This line of code loads data into the 'SpecCompliantModule_01DataSet7.VendorSpecificMan' table. You can move, or remove it, as needed.
        Me.VendorSpecificManTableAdapter1.Fill(Me.SpecCompliantModule_01DataSet7.VendorSpecificMan)
        'TODO: This line of code loads data into the 'SpecCompliantModule_01DataSet9.VendorSpecificMan' table. You can move, or remove it, as needed.
        Me.VendorSpecificManTableAdapter.Fill(Me.SpecCompliantModule_01DataSet9.VendorSpecificMan)
        'TODO: This line of code loads data into the 'SpecCompliantModule_01DataSet1.VendorSpecific' table. You can move, or remove it, as needed.

        dataadapter = New SqlDataAdapter(sql, connection)
        connection.Open()
        dataadapter.Fill(ds, "[dbo].[VendorSpecificMan]")
        connection.Close()
        DataGridView1.DataSource = ds.Tables

    End Sub

    Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
        cmdBuilder = New SqlCommandBuilder(dataadapter)
        dataadapter.Update(ds, "[dbo].[VendorSpecificMan]")
        MessageBox.Show("Data was saved success fully")
    End Sub

Imports System.Data.SqlClient
Public Class VendorSpecific
    Dim connectionString As String = "Data Source=(LocalDB)\v11.0;Initial Catalog=SpecCompliantModule_01;Integrated Security=True;Connect Timeout=15;Encrypt=False;TrustServerCertificate=False"
    Dim connection As New SqlConnection(connectionString)
    Dim dataadapter As SqlDataAdapter
    Dim ds As New DataSet()
    Dim cmdBld As New SqlCommandBuilder(dataadapter)


    Private Sub VendorSpecific_Load(sender As Object, e As EventArgs) Handles MyBase.Load
     
        Dim sql As String = "SELECT  Vendor_Id,[Vendor_Feature Name], [Vendor_Sub Feature], [Vendor_Category Of Command], [Vendor_Command Name and Opcode]  FROM [dbo].[VendorSpecificMan]"
        dataadapter = New SqlDataAdapter(sql, connection)
        connection.Open()
        dataadapter.Fill(ds, "[dbo].[VendorSpecificMan]")
        connection.Close()

    End Sub

    Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
        dataadapter.Update(ds, "[dbo].[VendorSpecificMan]")
        MessageBox.Show("Data was saved success fully")
    End Sub

Imports System.Data.SqlClient
Public Class VendorSpecific
    Dim objConn As New SqlConnection
    Dim objCmd As New SqlCommand
    Dim strConn, strSQL As String
    Dim da As New SqlDataAdapter
    Dim dt As New DataTable



    Private Sub VendorSpecific_Load(sender As Object, e As EventArgs) Handles MyBase.Load
               strConn = "Data Source=(LocalDB)\v11.0;Initial Catalog=SpecCompliantModule_01;Integrated Security=True;Connect Timeout=15;Encrypt=False;TrustServerCertificate=False"
        objConn.ConnectionString = strConn
        objConn.Open()

        strSQL = "SELECT * FROM [dbo].[VendorSpecificMan]"
        objCmd = New SqlCommand(strSQL, objConn)

        da.SelectCommand = objCmd
        da.Fill(dt)
        DataGridView1.DataSource = dt
        da.Update(dt)

        objConn.Close()
    End Sub

    Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
        strConn = "Data Source=(LocalDB)\v11.0;Initial Catalog=SpecCompliantModule_01;Integrated Security=True;Connect Timeout=15;Encrypt=False;TrustServerCertificate=False"
        objConn.ConnectionString = strConn
        objConn.Open()

        strSQL = "INSERT INTO VendorSpecificMan([Vendor_Id],[Vendor_Feature Name],[Vendor_Sub Feature],[Vendor_Category Of Command],[Vendor_Command Name and Opcode]) VALUES (@[Vendor_Id],@[Vendor_Feature Name],@[Vendor_Sub Feature],@[Vendor_Category Of Command],@[Vendor_Command Name and Opcode])"
        For i As Integer = 0 To DataGridView1.RowCount - 1
            If Not DataGridView1.Rows(i).IsNewRow Then
                objCmd = New SqlCommand(strSQL, objConn)
                With objCmd
                    .Parameters.Add(New SqlParameter("@[Vendor_Id]", SqlDbType.Int).Value = DataGridView1.Rows(i).Cells(0).Value)
                    .Parameters.Add(New SqlParameter("@[Vendor_Feature Name]", SqlDbType.NVarChar).Value = DataGridView1.Rows(i).Cells(2).Value)
                    .Parameters.Add(New SqlParameter("@[Vendor_Sub Feature]", SqlDbType.NVarChar).Value = DataGridView1.Rows(i).Cells(3).Value)
                    .Parameters.Add(New SqlParameter("@[Vendor_Category Of Command]", SqlDbType.NVarChar).Value = DataGridView1.Rows(i).Cells(4).Value)
                    .Parameters.Add(New SqlParameter("@[Vendor_Command Name and Opcode]", SqlDbType.NVarChar).Value = DataGridView1.Rows(i).Cells(5).Value)

                End With
                objCmd.ExecuteNonQuery()
            End If
            MessageBox.Show("Data was saved success fully")
            objConn.Close()
        Next
    End Sub
End Class