<%@ Control Language="C#" AutoEventWireup="true" CodeFile="WebUserControl.ascx.cs"
    Inherits="WebUserControl"  %>
<link type="text/css" rel="Stylesheet" href="StyleSheet.css" />
<script language = "javascript" type = "text/javascript" >

    function check() {
        for (var i = 0; i < document.getElementById('RegionCB').options.length; ++i) {
            if (document.getElementById('RegionCB').options[i].selected == true && document.getElementById('RegionCB').options[i].value == 'Minsk') {
                document.getElementById('townTB').value = "";
                document.getElementById('districtTB').value = "";
                document.getElementById('townTB').disabled = true;
                document.getElementById('districtTB').disabled = true;
                return;
            }
        }
        document.getElementById('townTB').disabled = false;
        document.getElementById('districtTB').disabled = false ;
    }
</script>
<asp:Panel ID="Holder" runat="server" Width="300" CssClass = "TextBox" ClientIDMode="Static">
    <table id="contents">
        <tr id="zipcode">
            <td class="left">
              <asp:RequiredFieldValidator ID="RequiredFieldValidator3" ValidationGroup= "val" runat="server" ControlToValidate="zipValue" Display ="Dynamic"
        ErrorMessage="Zip code is required.">*
    </asp:RequiredFieldValidator>
                <asp:Label ID="zipL" runat="server" Text="Zip Code:"></asp:Label>
            </td>
            <td class="right">
                <asp:TextBox CssClass = "TextBox" ID="ZipValue" runat="server"></asp:TextBox>
                 <asp:RegularExpressionValidator ID="RegularExpressionValidator3" runat="server" Display="Dynamic"
        ControlToValidate="zipValue" ErrorMessage="Zip code must be 6-digit code." ValidationGroup= "val" ValidationExpression="[0-9]{6}" />
            </td>
        </tr>
        <tr id="region">
            <td class="left">
                <asp:Label ID="regL" runat="server" Text="Region:"></asp:Label>
            </td>
            <td class="right">
                <asp:DropDownList onchange = "check();" CssClass = "TextBox"  ID="RegionCB"   runat="server"  ClientIDMode = "Static"
                   >


                    <asp:ListItem>Minsk region</asp:ListItem>
                    <asp:ListItem>Homel region</asp:ListItem>
                    <asp:ListItem>Mohilev region</asp:ListItem>
                    <asp:ListItem>Brest region</asp:ListItem>
                    <asp:ListItem>Vitsebsk region</asp:ListItem>
                    <asp:ListItem>Hrodna region</asp:ListItem>
                    <asp:ListItem>Minsk</asp:ListItem>
                </asp:DropDownList>
            </td>
        </tr>
        <tr id="main_city_or_district">
            <td class="left">
                <asp:Label ID="mcorDL" runat="server" Text="District (main city):"></asp:Label>
            </td>
            <td class="right">
                <asp:TextBox ID="districtTB" CssClass = "TextBox" runat="server"
                    ClientIDMode="Static"></asp:TextBox>
            </td>
        </tr>
        <tr id="town">
            <td class="left">
                <asp:Label ID="townL"  runat="server" Text="Town name:"></asp:Label>
            </td>
            <td class="right">
                <asp:TextBox ID="townTB" CssClass = "TextBox" runat="server"
                    ClientIDMode="Static"></asp:TextBox>
            </td>
        </tr>
        <tr id="street">
            <td class="left">

                <asp:Label ID="strL" runat="server" Text="Street:"></asp:Label>
            </td>
            <td class="right">
                <asp:TextBox ID="streetTB" CssClass = "TextBox" runat="server"></asp:TextBox>


            </td>
        </tr>
        <tr id="house">
            <td class="left">
             <asp:RequiredFieldValidator ID="RequiredFieldValidator1" ValidationGroup= "val" runat="server" ControlToValidate="houseTB" Display ="Dynamic"
        ErrorMessage="House number is required.">*
    </asp:RequiredFieldValidator>
                <asp:Label ID="Label2" runat="server" Text="House number:"></asp:Label>
            </td>
            <td class="right">
                <asp:TextBox ID="houseTB" CssClass = "TextBox" runat="server"></asp:TextBox>
                 <asp:RegularExpressionValidator ID="RegularExpressionValidator1" runat="server" Display="Dynamic"
        ControlToValidate="houseTB" ErrorMessage="House must be number." ValidationGroup= "val" ValidationExpression="[0-9]{1,5}" />
            </td>
        </tr>
        <tr id="app">
            <td class="left">
              <asp:RequiredFieldValidator ID="RequiredFieldValidator2" ValidationGroup= "val" runat="server" ControlToValidate="appTB" Display ="Dynamic"
        ErrorMessage="Appartments number is required.">*
    </asp:RequiredFieldValidator>
                <asp:Label ID="appL" runat="server" Text="Appartments number:"></asp:Label>
            </td>
            <td class="right">
                <asp:TextBox CssClass = "TextBox" ID="appTB" runat="server"></asp:TextBox>
                                 <asp:RegularExpressionValidator ID="RegularExpressionValidator2" runat="server" Display="Dynamic"
        ControlToValidate="appTB"  ErrorMessage="Appartments must be number." ValidationGroup= "val" ValidationExpression="[0-9]{1,5}" />
            </td>
        </tr>

    </table>
    <asp:ValidationSummary ID="ValidationSummary1" ValidationGroup= "val" runat="server"
HeaderText="There were errors on the page:" />

</asp:Panel>