Yes i tried that way also, still not working: pasting the code below.
<%@ Page Language="VB" AutoEventWireup="false" CodeFile="index.aspx.vb" Inherits="index" %>
<%@ Register Assembly="EO.Web" Namespace="EO.Web" TagPrefix="eo" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>Untitled Page</title>
</head>
<body leftmargin="100" topmargin="100">
<form id="form1" runat="server">
<div>
<table>
<tr>
<td style="width: 100px">
<asp:Label ID="Label1" runat="server" Text="mask Type"></asp:Label></td>
<td style="width: 100px">
<asp:DropDownList ID="ddlMaskType" runat="server" AutoPostBack="True" Width="152px">
<asp:ListItem Selected="True">Select</asp:ListItem>
<asp:ListItem Value="P">PAN No</asp:ListItem>
<asp:ListItem Value="T">TIN No</asp:ListItem>
</asp:DropDownList></td>
</tr>
<tr>
<td style="width: 100px">
<asp:Label ID="Label2" runat="server" Text="Mask"></asp:Label></td>
<td style="width: 100px">
<eo:MaskedEdit ID="MSKMask" runat="server">
<eo:MaskedEditSegment Mask="AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" SegmentType="Mask" />
</eo:MaskedEdit></td>
</tr>
<tr>
<td align="center" colspan="2">
<asp:Button ID="btnSubmit" runat="server" Text="Submit" /></td>
</tr>
<tr>
<td style="width: 100px">
</td>
<td style="width: 100px">
</td>
</tr>
<tr>
<td colspan="2">
<asp:Label ID="lblValueofMask" runat="server"></asp:Label></td>
</tr>
</table>
</div>
</form>
</body>
</html>
----------------------------------------- CODE BEHIND --------------------------------
Partial Class index
Inherits System.Web.UI.Page
Protected Sub ddlMaskType_SelectedIndexChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles ddlMaskType.SelectedIndexChanged
If ddlMaskType.SelectedValue = "P" Then
MSKMask.Mask = "LLLL0000L"
ElseIf ddlMaskType.SelectedValue = "T" Then
MSKMask.Mask = "LL00LL"
End If
End Sub
Protected Sub btnSubmit_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnSubmit.Click
lblValueofMask.Text = MSKMask.Text
End Sub
'in segment collection property i have set
'mask as 'AAAAAAAAAAAAAAAAAA'
'and segment type as 'Mask'
'and when i click the submit button MSKMask.Mask changes to default set mask ie AAAAAAAAAAAAAAAAAA
End Class
THANKS IN ADVANCE IF YOU CAN HELP ME
SAJI