i have 2 textboxes,1 gridview, 1button

i put some text into the textboxes then i press the button, i can get 1 row....but when i repeat the proccess replaces the last row whith new values...always just have 1 row in my grid...

i want more then 1 row, if i press the button 5 times e want 5 rows

any help???

sorry for my english


inside the button i have this code

Code:
'Criando o Dataset 
        Dim dsFornecedor As New DataSet()

        'Criando a tabela 
        Dim tblFornecedores As New DataTable()
        dsFornecedor.Tables.Add(tblFornecedores)


        'Estrutura do DataTable 

        tblFornecedores.Columns.Add("CodFornecedor")
        tblFornecedores.Columns.Add("NomeFornecedor")
       

        'Criando Registros 
        Dim row As DataRow = tblFornecedores.NewRow()

        row("CodFornecedor") = TextBox1.Text
        row("NomeFornecedor") = TextBox2.Text

        tblFornecedores.Rows.Add(row)


        DataGridView1.DataSource = dsFornecedor.Tables(0)