I have 3 labels,3 textboxes &1 button control in my form.
2 input textbox & 1 output textbox
I have to generate end ip address depend on No. of static ip & start ip address
e.g
No of static ip=5
Start ip =192.168.10.10
then generate output as
end ip = 192.168.10.14
my aspx code is as following
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<table>
<tr>
<td>
<asp:Label ID="lblNof_Static_IP" Text="No. of Static IP" runat="server"></asp:Label>
</td>
<td>:</td>
<td>
<asp:TextBox ID="txtNof_Static_IP" runat="server" Width="300px"></asp:TextBox>
</td>
</tr>
<tr>
<td>
<asp:Label ID="lblStartIP" runat="server" Text="Start IP"></asp:Label></td>
<td>:</td>
<td>
<asp:TextBox ID="txtStartIP" runat="server"></asp:TextBox>
<asp:RegularExpressionValidator
ValidationExpression="\b(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\b"
ID="RegularExpressionValidator6" runat="server" ErrorMessage="Invalid IP !"
ControlToValidate="txtStartIP"></asp:RegularExpressionValidator>
</td>
</tr>
<tr>
<td><asp:Button ID="btnGenerateIP" Text="Generate IP" runat="server"
onclick="btnGenerateIP_Click" /></td></tr>
<tr>
<td>
<asp:Label ID="lblEnd_IP" Text="End IP" runat="server"></asp:Label>
</td>
<td>:</td>
<td>
<asp:TextBox ID="txtEnd_IP" runat="server" Width="300px"></asp:TextBox>
<asp:RegularExpressionValidator
ValidationExpression="\b(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\b"
ID="RegularExpressionValidator1" runat="server" ErrorMessage="Invalid IP !"
ControlToValidate="txtEnd_IP"></asp:RegularExpressionValidator>
</td>
</tr>
</table>
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so please help me in coding part because I just started Programming & new in programming