в 15:30, 26 мая 2010

2010-05-26T15:30:57Z

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2010-05-26T11:57:51Z

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== A validation group enables you to group related form fields together.==



<source lang="csharp">
<%@ Page Language="C#" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
void btnLogin_Click(Object sender, EventArgs e)
{
if (Page.IsValid)
lblLoginResult.Text = "Log in successful!";
}
void btnRegister_Click(Object sender, EventArgs e)
{
if (Page.IsValid)
lblRegisterResult.Text = "Registration successful!";
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="Head1" runat="server">
<title>Show Validation Groups</title>
</head>
<body>
<form id="form1" runat="server">
<div class="column">
<fieldset>
<legend>Login</legend>
<asp:Label
id="lblUserName"
Text="User Name:"
AssociatedControlID="txtUserName"
Runat="server" />
<br />
<asp:TextBox
id="txtUserName"
Runat="server" />
<asp:RequiredFieldValidator
id="reqUserName"
ControlToValidate="txtUserName"
Text="(Required)"
ValidationGroup="LoginGroup"
Runat="server" />
<br /><br />
<asp:Label
id="lblPassword"
Text="Password:"
AssociatedControlID="txtPassword"
Runat="server" />
<br />
<asp:TextBox
id="txtPassword"
TextMode="Password"
Runat="server" />
<asp:RequiredFieldValidator
id="reqPassword"
ControlToValidate="txtPassword"
Text="(Required)"
ValidationGroup="LoginGroup"
Runat="server" />
<asp:Button
id="btnLogin"
Text="Login"
ValidationGroup="LoginGroup"
Runat="server" OnClick="btnLogin_Click" />
</fieldset>
<asp:Label
id="lblLoginResult"
Runat="server" />
</div>
<div class="column">
<fieldset>
<legend>Register</legend>
<asp:Label
id="lblFirstName"
Text="First Name:"
AssociatedControlID="txtFirstName"
Runat="server" />
<br />
<asp:TextBox
id="txtFirstName"
Runat="server" />
<asp:RequiredFieldValidator
id="reqFirstName"
ControlToValidate="txtFirstName"
Text="(Required)"
ValidationGroup="RegisterGroup"
Runat="server" />
<br /><br />
<asp:Label
id="lblLastName"
Text="Last Name:"
AssociatedControlID="txtLastName"
Runat="server" />
<br />
<asp:TextBox
id="txtLastName"
Runat="server" />
<asp:RequiredFieldValidator
id="reqLastName"
ControlToValidate="txtLastName"
Text="(Required)"
ValidationGroup="RegisterGroup"
Runat="server" />
<br /><br />
<asp:Button
id="btnRegister"
Text="Register"
ValidationGroup="RegisterGroup"
Runat="server" OnClick="btnRegister_Click" />
</fieldset>
<asp:Label
id="lblRegisterResult"
Runat="server" />
</div>
</form>
</body>
</html></source>

== Group based validation (C#)==



<source lang="csharp">
File: Default.aspx
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="ValidationGroups" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>Untitled Page</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:Panel Height="112px"
ID="Panel1"
runat="server"
Width="392px">
<asp:TextBox ID="TextBox1"
runat="server"
ValidationGroup="Group1"></asp:TextBox>
<asp:RequiredFieldValidator ErrorMessage="*Required"
ID="RequiredFieldValidator1"
runat="server"
ValidationGroup="Group1"
ControlToValidate="TextBox1"></asp:RequiredFieldValidator>
<asp:Button ID="Button1" runat="server" Text="Validate Group1"
ValidationGroup="Group1" OnClick="Button_Click"/></asp:Panel> <br />
<asp:Panel Height="94px"
ID="Panel2"
runat="server"
Width="392px"
BorderWidth="2px">
<asp:TextBox ID="TextBox2" runat="server" ValidationGroup="Group2"></asp:TextBox>
<asp:RequiredFieldValidator ErrorMessage="*Required"
ID="RequiredFieldValidator2"
runat="server"
ValidationGroup="Group2"
ControlToValidate="TextBox2">
</asp:RequiredFieldValidator><br />
<br />
<asp:Button ID="Button2"
runat="server"
Text="Validate Group2"
ValidationGroup="Group2"
OnClick="Button_Click"/></asp:Panel>
<asp:Label EnableViewState="False" ID="lblInfo" runat="server"></asp:Label><br />
</div>
</form>
</body>
</html>
File: Default.aspx.cs
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
public partial class ValidationGroups : System.Web.UI.Page
{
protected void Button_Click(object sender, EventArgs e)
{
if (Page.IsValid)
{
lblInfo.Text = "Page posted back at " + DateTime.Now.ToLongTimeString();
}

}
}</source>

== Two validation groups==



<source lang="csharp">
<%@ page language="C#" %>
<script runat="server">
</script>
<html>
<head runat="server">
<title>Untitled Page</title>
</head>
<body>
<form runat="server">
<h1>First form</h1>

<asp:textbox id="TextBox1" runat="server" validationgroup="firstform">
</asp:textbox>
<asp:requiredfieldvalidator
id="RequiredFieldValidator1"
runat="server"
display="Dynamic"
setfocusonerror="True"
validationgroup="firstform"
controltovalidate="TextBox1">***</asp:requiredfieldvalidator>
<br />
<br />
<asp:button id="Button1" runat="server" validationgroup="firstform" text="Submit" />

<h1>Second form</h1>

<asp:textbox id="TextBox2" runat="server" validationgroup="secondform">
</asp:textbox>
<asp:requiredfieldvalidator
id="RequiredFieldValidator2"
runat="server"
display="Dynamic"
setfocusonerror="True"
validationgroup="secondform"
controltovalidate="TextBox2">***</asp:requiredfieldvalidator>
<br />
<br />
<asp:button id="Button2" runat="server" validationgroup="secondform" text="Submit" />

</form>
</body>
</html></source>

== Using the ValidationGroup property (VB)==



<source lang="csharp">
<%@ Page Language="VB" %>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="Head1" runat="server">
<title>Validation Groups</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<h1>St. Louis .NET User Group</h1>
Username:
<asp:TextBox ID="TextBox1" Runat="server"></asp:TextBox>  Password:
<asp:TextBox ID="TextBox2" Runat="server"
TextMode="Password"></asp:TextBox> 
<asp:Button ID="Button1" Runat="server" Text="Login"
ValidationGroup="Login" />
<br />
<asp:RequiredFieldValidator ID="RequiredFieldValidator1" Runat="server"
ErrorMessage="* You must submit a username!"
ControlToValidate="TextBox1" ValidationGroup="Login">
</asp:RequiredFieldValidator>
<br />
<asp:RequiredFieldValidator ID="RequiredFieldValidator2" Runat="server"
ErrorMessage="* You must submit a password!"
ControlToValidate="TextBox2" ValidationGroup="Login">
</asp:RequiredFieldValidator>

<h2>Sign-up for the newsletter!</h2>
Email:
<asp:TextBox ID="TextBox3" Runat="server"></asp:TextBox> 
<asp:Button ID="Button2" Runat="server" Text="Sign-up"
ValidationGroup="Newsletter" /> 
<br />
<asp:RegularExpressionValidator ID="RegularExpressionValidator1"
Runat="server"
ErrorMessage="* You must submit a correctly formatted email address!"
ControlToValidate="TextBox3" ValidationGroup="Newsletter"
ValidationExpression="\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*">
</asp:RegularExpressionValidator>
<br />
<asp:RequiredFieldValidator ID="RequiredFieldValidator3" Runat="server"
ErrorMessage="* You forgot your email address!"
ControlToValidate="TextBox3" ValidationGroup="Newsletter">
</asp:RequiredFieldValidator>

</div>
</form>
</body>
</html></source>

== Validation Groups Demo==



<source lang="csharp">
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<title>Validation Groups Demo</title>
</head>
<body>
<form id="Form1" runat="server">
Username:<br />
<asp:TextBox id="usernameTextBox" runat="server" />
<asp:RequiredFieldValidator id="usernameReq"
runat="server"
ControlToValidate="usernameTextBox"
ErrorMessage="Username is required!"
SetFocusOnError="True"
ValidationGroup="Login" />
Password:<br />
<asp:TextBox id="passwordTextBox"
runat="server"
TextMode="Password" />
<asp:RequiredFieldValidator id="passwordReq"
runat="server"
ControlToValidate="passwordTextBox"
ErrorMessage="Password is required!"
SetFocusOnError="True"
ValidationGroup="Login" />
<asp:Button ID="loginButton"
runat="server"
Text="Log In"
ValidationGroup="Login" />
<h1>Register</h1>
Username:<br />
<asp:TextBox id="newUserNameTextBox" runat="server" />
<asp:RequiredFieldValidator id="newUserNameReq"
runat="server"
ControlToValidate="newUserNameTextBox"
ErrorMessage="Username is required!"
SetFocusOnError="True"
ValidationGroup="Register" />
Password:<br />
<asp:TextBox id="newPasswordTextBox"
runat="server"
TextMode="Password" />
<asp:RequiredFieldValidator id="newPasswordReq"
runat="server"
ControlToValidate="newPasswordTextBox"
ErrorMessage="Password is required!"
SetFocusOnError="True"
ValidationGroup="Register" />
<asp:Button ID="registerButton"
runat="server"
Text="Register"
ValidationGroup="Register" />

</form>
</body>
</html></source>

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ASP.NET Tutorial/Validation/ValidationGroup - История изменений

в 15:30, 26 мая 2010

Admin: 1 версия