ASP.NET Tutorial/Custom Controls/Form

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Creating an Form Control

File: Control.ascx
<%@ Control Language="C#" ClassName="AddressForm" %>
<script runat="server">
    public string Title
    {
        get { return ltlTitle.Text; }
        set { ltlTitle.Text = value; }
    }
    public string Street
    {
        get { return txtStreet.Text; }
        set { txtStreet.Text = value; }
    }
    public string City
    {
        get { return txtCity.Text; }
        set { txtCity.Text = value; }
    }
    public string State
    {
        get { return txtState.Text; }
        set { txtState.Text = value; }
    }
    public string PostalCode
    {
        get { return txtPostalCode.Text; }
        set { txtPostalCode.Text = value; }
    }
</script>
<fieldset>
<legend>
    <asp:Literal
        ID="ltlTitle"
        Text="Address Form"
        runat="server" />
</legend>
<div class="addressLabel">
<asp:Label
    ID="lblStreet"
    Text="Street:"
    AssociatedControlID="txtStreet"
    Runat="server" />
</div>
<div class="addressField">
<asp:TextBox
    ID="txtStreet"
    Runat="server" />
<asp:RequiredFieldValidator
    ID="reqStreet"
    Text="(required)"
    ControlToValidate="txtStreet"
    Runat="server" />
</div>
<br class="clear" />
<div class="addressLabel">
<asp:Label
    ID="lblCity"
    Text="City:"
    AssociatedControlID="txtCity"
    Runat="server" />
</div>
<div class="addressField">
<asp:TextBox
    ID="txtCity"
    Runat="server" />
<asp:RequiredFieldValidator
    ID="reqCity"
    Text="(required)"
    ControlToValidate="txtCity"
    Runat="server" />
</div>
<br class="clear" />
<div class="addressLabel">
<asp:Label
    ID="lblState"
    Text="State:"
    AssociatedControlID="txtState"
    Runat="server" />
</div>
<div class="addressField">
<asp:TextBox
    ID="txtState"
    Runat="server" />
<asp:RequiredFieldValidator
    ID="reqState"
    Text="(required)"
    ControlToValidate="txtState"
    Runat="server" />
</div>
<br class="clear" />
<div class="addressLabel">
<asp:Label
    ID="lblPostalCode"
    Text="Postal Code:"
    AssociatedControlID="txtPostalCode"
    Runat="server" />
</div>
<div class="addressField">
<asp:TextBox
    ID="txtPostalCode"
    Runat="server" />
<asp:RequiredFieldValidator
    ID="RequiredFieldValidator1"
    Text="(required)"
    ControlToValidate="txtPostalCode"
    Runat="server" />
</div>
<br class="clear" />
</fieldset>
File: Default.aspx
<%@ Page Language="C#" %>
<%@ Register TagPrefix="user" TagName="AddressForm" Src="~/Control.ascx" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"
"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<script runat="server">
    protected void btnSubmit_Click(object sender, EventArgs e)
    {
        ltlResults.Text = "<br />Billing Street: " + AddressForm1.Street;
        ltlResults.Text += "<br />Billing City: " + AddressForm1.City;
        ltlResults.Text += "<br />Billing State: " + AddressForm1.State;
        ltlResults.Text += "<br />Billing Postal Code: " + AddressForm1.PostalCode;
        ltlResults.Text += "<br /><br />";
        ltlResults.Text += "<br />Shipping Street: " + AddressForm2.Street;
        ltlResults.Text += "<br />Shipping City: " + AddressForm2.City;
        ltlResults.Text += "<br />Shipping State: " + AddressForm2.State;
        ltlResults.Text += "<br />Shipping Postal Code: " + AddressForm2.PostalCode;
    }
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="Head1" runat="server">
    <style type="text/css">
        html
        {
            background-color:silver;
            font:14px Georgia,Serif;
        }
        .content
        {
            background-color:white;
            width:600px;
            margin:auto;
            padding:20px;
        }
        .addressLabel
        {
            float:left;
            width:100px;
            padding:5px;
            text-align:right;
        }
        .addressField
        {
            float:left;
            padding:5px;
        }
        .clear
        {
            clear:both;
        }
    </style>
    <title>Checkout</title>
</head>
<body>
    <form id="form1" runat="server">
    <div class="content">
    <user:AddressForm
        id="AddressForm1"
        Title="Billing Address"
        Runat="server" />
    <br />
    <user:AddressForm
        id="AddressForm2"
        Title="Shipping Address"
        Runat="server" />
    <br />
    <asp:Button
        ID="btnSubmit"
        Text="Submit Form"
        OnClick="btnSubmit_Click"
        Runat="server" />
    <hr />
    <asp:Literal
        id="ltlResults"
        Runat="server" />
    </div>
    </form>
</body>
</html>
Источник — «http://nfex.ru/index.php?title=ASP.NET_Tutorial/Custom_Controls/Form&oldid=3323»