تعديل بسيط على كودك
كود :
Dim json As String = File.ReadAllText("login\auth.json")
Dim Name = From t As String In json.Split(vbNewLine) Select _
System.Text.RegularExpressions.Regex.Match(t, "name"":""(.+)""").Groups(1).Value
Dim Age = From t As String In json.Split(vbNewLine) Select _
System.Text.RegularExpressions.Regex.Match(t, """age"".""(.+)""__").Groups(1).Value
For i As Integer = 0 To Name.Count - 1
DataGridView1.Rows.Add(Name(i), Age(i))
Next

