เช็คเงื่อนไข ID ถ้ามี Update ถ้าไม่มี Insert (ID exist Update else insert) for VB2013 Mysql

 Dim objConn As New MySqlConnection
        Dim objCmd As New MySqlCommand
        Dim strConnString, strSQL As String
        Me.IDM.Text = Session("strUser").ToString
        Dim intNumRows = ""
        strConnString = "Server=localhost;User Id=root; Password=XXXX; Database=XXXX; Pooling=false"
        Dim Con As New MySqlConnection(strConnString)
        strSQL = "SELECT * FROM feeder_sched WHERE (KeyID like '%" & IDM.Text & "%' ) "
        Con.Open()
        Dim Command As New MySqlCommand(strSQL, Con)

        Try
            intNumRows = Command.ExecuteScalar
        Catch ex As Exception
            MsgBox("Error")
        End Try



        If intNumRows Is Nothing Then
            strSQL = "INSERT INTO feeder_sched (hour_1,min_1,hour_2,min_2,hour_3,min_3,weight_1,weight_2,weight_3,KeyID) " & _
          " VALUES " & _
          " ('" & Me.Hour1.Text & "','" & Me.Min1.Text & "', " & _
          " '" & Me.Hour2.Text & "','" & Me.Min2.Text & "','" & Me.Hour3.Text & "','" & Me.Min3.Text & "','" & Me.weight1.Text & "','" & Me.weight2.Text & "','" & Me.weight3.Text & "','" & Me.IDM.Text & "')"
            objConn.ConnectionString = strConnString
            objConn.Open()

            With objCmd
                .Connection = objConn
                .CommandText = strSQL
                .CommandType = CommandType.Text
            End With



            Try
                objCmd.ExecuteNonQuery()
                Me.Label10.Visible = True
                Me.Label10.Text = "Set time Successful"
            Catch ex As Exception
                Me.Label10.Visible = True
                Me.Label10.Text = "Failed Please press Update"

            End Try

            objConn.Close()
            objConn = Nothing


        Else
            strSQL = "UPDATE feederphone.feeder_sched SET hour_1='" & Hour1.Text & "',min_1='" & Min1.Text & "',hour_2='" & Hour2.Text & "',min_2='" & Min2.Text & "',hour_3='" & Hour3.Text & "',min_3='" & Min3.Text & "',weight_1='" & weight1.Text & "',weight_2='" & weight2.Text & "',weight_3='" & weight3.Text & "',KeyID='" & IDM.Text & "' WHERE KeyID = '" & IDM.Text & "'"
            objConn.ConnectionString = strConnString
            objConn.Open()

            With objCmd
                .Connection = objConn
                .CommandText = strSQL
                .CommandType = CommandType.Text
            End With



            Try
                objCmd.ExecuteNonQuery()
                Me.Label10.Visible = True
                Me.Label10.Text = "Updated"
            Catch ex As Exception
                Me.Label10.Visible = True
                Me.Label10.Text = "Failed Please check you NetWork"

            End Try

            objConn.Close()
            objConn = Nothing
        End If

    End Sub