เมื่อกรอกข้อมูลลง textbox กดบันทึกข้อมูล แล้ว DataGridView ก็จะดึงข้อมูลใน Mysql มาแสดงใน DataGridView VB

Dim objCmd As New MySqlCommand
strConnString = "Server=localhost;User Id=root; Password=1234; Database=themushrooms; Pooling=false"
        strSQL = "INSERT INTO phase (Ph_nm,Ph_Date,Ph_Detail,Temp_max,Temp_min,Mous_max,Mous_min) " & _
        " VALUES " & _
        " ('" & Me.txt_namephase.Text.Trim & "','" & Me.txt_timework.Text.Trim & "','" & Me.txt_detailphase.Text.Trim & "','" & Me.txt_Temp_max.Text.Trim & "','" & Me.txt_Temp_min.Text.Trim & "','" & Me.txt_Mous_max.Text.Trim & "','" & Me.txt_Mous_min.Text.Trim & "')"
        objConn.ConnectionString = strConnString
        objConn.Open()
        With objCmd
            .Connection = objConn
            .CommandText = strSQL
            .CommandType = CommandType.Text
        End With
        Try
            objCmd.ExecuteNonQuery()
            MessageBox.Show("บันทึกเรียบร้อย")

        Catch ex As Exception
            MessageBox.Show("ไม่สามารถบันทึกได้ (" & ex.Message & ")")
        End Try
        objConn.Close()
        objConn = Nothing
    End Sub

Dim strConnString, strSQL As String
    Dim objConn As New MySqlConnection
    Dim ListFile() As String
    
    Private Sub PopulateData()
        '*** BindData From Database **'
        Dim objConn As OleDbConnection
        Dim dtAdapter As OleDbDataAdapter
        Dim dt As New DataTable
        Dim strConnString As String
        strConnString = "Server=localhost;User Id=root; Password=1234; Database=themushrooms;Pooling=false"
        objConn = New OleDbConnection(strConnString)
        objConn.Open()
        Dim strSQL As String
        strSQL = "SELECT * FROM phase"
        dtAdapter = New OleDbDataAdapter(strSQL, objConn)
        dtAdapter.Fill(dt)
        dtAdapter = Nothing
        objConn.Close()
        objConn = Nothing
        Me.DataGridView1.DataSource = dt
        '******************************'
        Me.DataGridView1.Columns.Clear()
        With DataGridView1.ColumnHeadersDefaultCellStyle
            .BackColor = Color.Navy
            .ForeColor = Color.White
            .Font = New Font(DataGridView1.Font, FontStyle.Bold)
        End With
        Dim ColumnTextBox As DataGridViewTextBoxColumn
        '*** Column (Select) ***'
        Dim ColumnCheckBox As New DataGridViewCheckBoxColumn()
        ColumnCheckBox.Width = 30
        ColumnCheckBox.DataPropertyName = "Select"
        Me.DataGridView1.Columns.Add(ColumnCheckBox)
        DataGridView1.Columns(0).Frozen = False
        '*** Column (Ph_id) ***'
        ColumnTextBox = New DataGridViewTextBoxColumn()
        ColumnTextBox.DataPropertyName = "Ph_id"
        ColumnTextBox.HeaderText = "Ph_id"
        ColumnTextBox.HeaderCell.Style.Alignment = DataGridViewContentAlignment.MiddleCenter
        ColumnTextBox.Width = 100
        Me.DataGridView1.Columns.Add(ColumnTextBox)
        '*** Column (Ph_nm) ***'
        ColumnTextBox = New DataGridViewTextBoxColumn()
        ColumnTextBox.DataPropertyName = "Ph_nm"
        ColumnTextBox.HeaderText = "Ph_nm"
        ColumnTextBox.HeaderCell.Style.Alignment = DataGridViewContentAlignment.MiddleCenter
        ColumnTextBox.Width = 100
        Me.DataGridView1.Columns.Add(ColumnTextBox)
        '*** Column (Ph_Date) ***'
        ColumnTextBox = New DataGridViewTextBoxColumn()
        ColumnTextBox.DataPropertyName = "Ph_Date"
        ColumnTextBox.HeaderText = "Ph_Date"
        ColumnTextBox.HeaderCell.Style.Alignment = DataGridViewContentAlignment.MiddleCenter
        ColumnTextBox.Width = 100
        Me.DataGridView1.Columns.Add(ColumnTextBox)
        '*** Column (Ph_Detail) ***'
        ColumnTextBox = New DataGridViewTextBoxColumn()
        ColumnTextBox.DataPropertyName = "Ph_Detail"
        ColumnTextBox.HeaderText = "Ph_Detail"
        ColumnTextBox.HeaderCell.Style.Alignment = DataGridViewContentAlignment.MiddleCenter
        ColumnTextBox.Width = 100
        Me.DataGridView1.Columns.Add(ColumnTextBox)
        '*** Column (Temp_max) ***'
        ColumnTextBox = New DataGridViewTextBoxColumn()
        ColumnTextBox.DataPropertyName = "Temp_max"
        ColumnTextBox.HeaderText = "Temp_max"
        ColumnTextBox.HeaderCell.Style.Alignment = DataGridViewContentAlignment.MiddleCenter
        ColumnTextBox.Width = 100
        Me.DataGridView1.Columns.Add(ColumnTextBox)
        '*** Column (Temp_min) ***'
        ColumnTextBox = New DataGridViewTextBoxColumn()
        ColumnTextBox.DataPropertyName = "Temp_min"
        ColumnTextBox.HeaderText = "Temp_min"
        ColumnTextBox.HeaderCell.Style.Alignment = DataGridViewContentAlignment.MiddleCenter
        ColumnTextBox.Width = 100
        Me.DataGridView1.Columns.Add(ColumnTextBox)
        '*** Column (Mous_max) ***'
        ColumnTextBox = New DataGridViewTextBoxColumn()
        ColumnTextBox.DataPropertyName = "Mous_max"
        ColumnTextBox.HeaderText = "Mous_max"
        ColumnTextBox.HeaderCell.Style.Alignment = DataGridViewContentAlignment.MiddleCenter
        ColumnTextBox.Width = 100
        Me.DataGridView1.Columns.Add(ColumnTextBox)
        '*** Column (Mous_min) ***'
        ColumnTextBox = New DataGridViewTextBoxColumn()
        ColumnTextBox.DataPropertyName = "Mous_min"
        ColumnTextBox.HeaderText = "Mous_min"
        ColumnTextBox.HeaderCell.Style.Alignment = DataGridViewContentAlignment.MiddleCenter
        ColumnTextBox.Width = 100
        Me.DataGridView1.Columns.Add(ColumnTextBox)
    End Sub