[mawad]

كود :

   Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click

       savedata(DataGridView1, "myfile.txt")
       loaddata("myfile.txt", DataGridView2)

   End Sub


   Sub savedata(ByVal dg As DataGridView, ByVal filename As String)
       Dim mSB As New System.Text.StringBuilder
       For Each mRow As DataGridViewRow In dg.Rows
           mSB.AppendLine(String.Join(vbTab, From mCell In mRow.Cells Select mCell.Value))
       Next
       IO.File.WriteAllText(filename, mSB.ToString)
   End Sub

   Sub loaddata(ByVal filename As String, ByVal dg As DataGridView)
       For Each mLN As String In IO.File.ReadLines(filename)
           dg.Rows.Add(mLN.Split(vbTab))
       Next
   End Sub

كود :

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click

        savedata(DataGridView1, "myfile.txt")
        loaddata("myfile.txt", DataGridView2)

    End Sub


    Sub savedata(ByVal dg As DataGridView, ByVal filename As String)
        Dim mList As New List(Of String)
        For Each mRow As DataGridViewRow In dg.Rows
            mList.Add(String.Join(vbTab, From mCell In mRow.Cells Select mCell.Value))
        Next
        Dim mSB As New System.Text.StringBuilder
        For Each mItem In mList
            mSB.AppendLine(mItem.Replace(vbNewLine, vbBack))
        Next
        IO.File.WriteAllText(filename, mSB.ToString)
    End Sub


    Sub loaddata(ByVal filename As String, ByVal dg As DataGridView)
        For Each mLN As String In IO.File.ReadLines(filename)
            Dim mList As New List(Of String)
            For Each mItem In mLN.Split(vbTab)
                mList.Add(mItem.Replace(vbBack, vbNewLine))
            Next
            dg.Rows.Add(mList.ToArray)
        Next
    End Sub