Mr. Ramasamy.N thanks to u... but.........

if we create html table in this formate. postback in page_load envet worked.
but not go to function in in Button_Click()


Private Function RefreshGridView1()


Dim row As Integer = 0
' Generate rows and cells.
'Dim numrows As Integer = Convert.ToInt32(Select1.Value)
Dim numrows As Integer = 5
Dim numcells As Integer = 5
tabfile.CellPadding = "5"
tabfile.Width = "100%"
tabfile.Border = 1
Dim j As Integer
For j = 0 To numrows - 1
Dim r As New HtmlTableRow()
' Set bgcolor on alternating rows.
If row Mod 2 = 1 Then
r.BgColor = "Gainsboro"
End If
row += 1
Dim i As Integer
For i = 0 To numcells - 1
Dim c As New HtmlTableCell()
'c.Controls.Add(New LiteralControl("row " & j.ToString() & _
' ", cell " & i.ToString()))
'c.Controls.Add(New LiteralControl("<button onserverclick='Delete(" & i & ")' runat='server' type='button'>" & i + 1 & "</button>"))
Dim NewButtonControl As New HtmlButton()
NewButtonControl.ID = j & i + 1
NewButtonControl.InnerHtml = j & i + 1
'Session.Add("innertextbutiton", NewButtonControl.ID)
c.Controls.Add(NewButtonControl)
r.Cells.Add(c)
AddHandler NewButtonControl.ServerClick, AddressOf Button_Click
'AddHandler NewButtonControl.Load, AddressOf Button_Click
Next i
tabfile.Rows.Add(r)
Next j
End Function