в 15:30, 26 мая 2010

2010-05-26T15:30:47Z

Admin: 1 версия

2010-05-26T11:51:32Z

1 версия

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==Change invalid control background color (VB.net)==



<source lang="csharp">
<%@ Page Language="VB" %>
<script runat="server">
Sub Page_PreRender()
For Each valControl As BaseValidator In Page.Validators
Dim assControl As WebControl = Page.FindControl(valControl.ControlToValidate)
If Not valControl.IsValid Then
assControl.BackColor = Drawing.Color.Yellow
Else
assControl.BackColor = Drawing.Color.White
End If
Next
End Sub
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="Head1" runat="server">
<title>Show Validators</title>
</head>
<body>
<form id="form1" runat="server">
<div>

<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)"
EnableClientScript="false"
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)"
EnableClientScript="false"
Runat="server" />

<br /><br />

<asp:Button
id="btnSubmit"
Text="Submit"
Runat="server" />
</div>
</form>
</body>
</html>

</source>

==Creating a Basic ValidationSummary Control (VB.net)==



<source lang="csharp">
<%@ Page Language=VB Debug=true %>
<HTML>
<HEAD>
<TITLE>Creating a Basic ValidationSummary Control</TITLE>
</HEAD>
<form runat="server">
<BR>
<asp:validationsummary
id="vsAllErrors"
showsummary="True"
runat="server"
headertext="For these reasons, your data could not be processed:"
displaymode="list"
font-name="Comic Sans MS"
font-size="12"
/>
<BR>
Enter Your Name:<BR>
<asp:textbox
id="txtName"
runat=server
/>
<asp:requiredfieldvalidator
id="rfvName"
controltovalidate="txtName"
errormessage="The name field is required!"
runat=server
>
*
</asp:requiredfieldvalidator>
<BR>
Please enter a Date:<BR>
<asp:textbox
id="txtDate"
runat=server
/>
<asp:comparevalidator
id="cvCheckDate"
controltovalidate="txtDate"
operator="DataTypeCheck"
type="Date"
errormessage="The date field must be a date!"
runat="server"
>
*
</asp:CompareValidator>
<BR><BR>
<asp:button
id="butOK"
text="OK"
type="Submit"
runat="server"
/>
</form>
</BODY>
</HTML>

</source>

==Detail summary reason (VB.net)==



<source lang="csharp">
<%@ Page Language=VB Debug=true %>
<HTML>
<HEAD>
<TITLE>Creating a Basic ValidationSummary Control</TITLE>
</HEAD>
<BODY LEFTMARGIN="40">
<form runat="server">
<BR>
<asp:validationsummary
id="vsAllErrors"
showsummary="True"
runat="server"
headertext="For these reasons, your data could not be processed:"
displaymode="bulletlist"
font-name="Comic Sans MS"
font-size="12"
/>
<BR>
Enter Your Name:<BR>
<asp:textbox
id="txtName"
runat=server
/>
<asp:requiredfieldvalidator
id="rfvName"
controltovalidate="txtName"
errormessage="The name field is required!"
runat=server
>
*
</asp:requiredfieldvalidator>
<BR>
Please enter a Date:<BR>
<asp:textbox
id="txtDate"
runat=server
/>
<asp:comparevalidator
id="cvCheckDate"
controltovalidate="txtDate"
operator="DataTypeCheck"
type="Date"
errormessage="The date field must be a date!"
runat="server"
>
*
</asp:CompareValidator>
<BR><BR>
<asp:button
id="butOK"
text="OK"
type="Submit"
runat="server"
/>
</form>
</BODY>
</HTML>

</source>

==Displaying Error Messages in a Message Box Using the ValidationSummary Control (VB.net)==



<source lang="csharp">
<%@ Page Language=VB Debug=true %>
<HTML>
<HEAD>
<TITLE>Displaying Error Messages in a Message Box Using the ValidationSummary Control</TITLE>
</HEAD>
<BODY LEFTMARGIN="40">
<form runat="server">
<BR>
<asp:validationsummary
id="vsAllErrors"
showsummary="False"
showmessagebox="True"
runat="server"
headertext="For these reasons, your data could not be processed:"
/>
<BR>
Enter Your Name:<BR>
<asp:textbox
id="txtName"
runat=server
/>
<asp:requiredfieldvalidator
id="rfvName"
controltovalidate="txtName"
errormessage="The name field is required!"
runat=server
>
*
</asp:requiredfieldvalidator>
<BR>
Please enter a Date:<BR>
<asp:textbox
id="txtDate"
runat=server
/>
<asp:comparevalidator
id="cvCheckDate"
controltovalidate="txtDate"
operator="DataTypeCheck"
type="Date"
errormessage="The date field must be a date!"
runat="server"
>
*
</asp:CompareValidator>
<BR><BR>
<asp:button
id="butOK"
text="OK"
type="Submit"
runat="server"
/>
</form>
</BODY>
</HTML>

</source>

==ValidationSummary Demo (VB.net)==



<source lang="csharp">
<%@ Page Language=VB Debug=true %>
<%@ Import Namespace="System.Data" %>
<script runat=server>
</SCRIPT>
<HTML>
<HEAD>
<TITLE>ValidationSummary Control Sample Page</TITLE>
</HEAD>
<BODY >
<form runat="server">
<Font Face="Tahoma">
<asp:ValidationSummary
ID="vsAllErros"
DisplayMode="BulletList"
ShowMessageBox="False"
ShowSummary="True"
runat="server"
HeaderText="For these reasons, your data could not be processed:"
Font-Name="Comic Sans MS"
Font-Size="12"
/>
<BR>
<asp:Label
id="lblMessage"
runat="server"
Font-Bold="True"
Text="Date"
/>
<asp:TextBox
id="txtDateField"
Columns="25"
MaxLength="30"
runat=server
/>
<asp:CompareValidator
id="cvDateField"
ControlToValidate="txtDateField"
Operator="DataTypeCheck"
Type="Date"
ErrorMessage="You must enter a date!"
Display="Dynamic"
Font-Size="10pt"
runat="server">
*
</asp:CompareValidator>
<BR><BR>
<asp:Label
id="lblMessage2"
runat="server"
Font-Bold="True"
Text="Number"
/>
<asp:TextBox
id="txtNumber"
Columns="25"
MaxLength="30"
runat=server
/>
<asp:CompareValidator
id="cvNumber"
ControlToValidate="txtNumber"
Operator="DataTypeCheck"
Type="Integer"
ErrorMessage="You must enter a whole number!"
Display="Dynamic"
runat="server">
*
</asp:CompareValidator>
<BR><BR>
<asp:Label
id="lblMessage3"
runat="server"
Font-Bold="True"
Text="Make the same"
/>
<asp:TextBox
id="txtSame1"
Columns="25"
MaxLength="30"
runat=server
/>
<asp:TextBox
id="txtSame2"
Columns="25"
MaxLength="30"
runat=server
/>
<asp:CompareValidator id="cvSame"
ControlToValidate="txtSame1"
ControlToCompare="txtSame2"
ErrorMessage="Fields don"t match!"
Display="Dynamic"
Font-Name="Tahoma"
Font-Size="10pt"
runat=server>
*
</asp:CompareValidator>
<BR><BR>
<asp:button
id="butOK"
text="OK"
Type="Submit"
runat="server"
/>
</Font>
</Form>
</BODY>
</HTML>

</source>

==Validation summary in action (VB.net)==



<source lang="csharp">
<%@ Page Language="vb" %>
<html>
<head>
<title>Validation Control Example</title>
<script language="javascript">

</script>
<script runat="server">
Sub Page_Load()
vsSummary.DisplayMode = ValidationSummaryDisplayMode.List
End Sub
Sub ServerValidation (source As object, args As ServerValidateEventArgs)
Dim RegExVal As New System.Text.RegularExpressions.Regex("^\d{4}$")
If RegExVal.IsMatch(args.Value) Then
args.IsValid = True
Else
args.IsValid = False
End If
End Sub
</script>
</head>
<body>
<h1>Validation Control Example</h1>
<form runat="server">
<asp:table id="MyTable" border="1" cellpadding="5" cellspacing="0" runat="server">
<asp:tablerow runat="server">
<asp:tablecell runat="server">
Compare Validator Control:
<br><br>
Enter two numbers to compare
</asp:tablecell>
<asp:tablecell runat="server">
<asp:textbox id="value1" runat="server"/><br>
<asp:textbox id="value2" runat="server"/><br>
<asp:comparevalidator id="cvCompare"
controltovalidate="value1"
controltocompare="value2"
operator="equal"
type="integer"
errormessage="Fields are not equal!"
display="dynamic"
runat="server"/>
</asp:tablecell>
</asp:tablerow>

<asp:tablerow runat="server">
<asp:tablecell runat="server">
ValidationSummary Control:
</asp:tablecell>
<asp:tablecell runat="server">
<asp:validationsummary id="vsSummary"
displaymode="bulletlist"
headertext="Page has the following errors: "
showsummary="true"
showmessagebox="false"
runat="server"/>
</asp:tablecell>
</asp:tablerow>
<asp:tablerow runat="server">
<asp:tablecell colspan="2" runat="server">
<asp:button text="submit" runat="server"/>
</asp:tablecell>
</asp:tablerow>
</asp:table>
<asp:label id="MyLabel" runat="server"/>
</form>
</body>
</html>

</source>

==Validation summary in code behind (C#)==



<source lang="csharp">
<%@ Page language="c#" src="ValidationSummary.aspx.cs" AutoEventWireup="false" Inherits="MyOwnValidationSummary" %>
<HTML>
<body>
<form id="Form1" method="post" runat="server">
<P>A number (1 to 10):
<asp:textbox id="txtValidated" runat="server"></asp:textbox> 
<asp:rangevalidator id="RangeValidator" runat="server" Display="None" Type="Integer" MinimumValue="1" MaximumValue="10" ControlToValidate="txtValidated" ErrorMessage="The First Number Is Not In The Range"></asp:rangevalidator><BR>
<BR>
        Not validated: 
<asp:textbox id="txtNotValidated" runat="server"></asp:textbox><BR>
</P>
<P><BR>
<asp:button id="cmdOK" runat="server" Text="OK"></asp:button><BR>
<BR>
<asp:label id="lblMessage" runat="server" EnableViewState="False"></asp:label><BR>
<BR>
<asp:ValidationSummary id="ValidationSummary1" runat="server" ShowMessageBox="True"></asp:ValidationSummary></P>
</form>
</body>
</HTML>

<%--
using System;
using System.Collections;
using System.ruponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
public class MyOwnValidationSummary : System.Web.UI.Page
{
protected System.Web.UI.WebControls.TextBox txtValidated;
protected System.Web.UI.WebControls.RangeValidator RangeValidator;
protected System.Web.UI.WebControls.TextBox txtNotValidated;
protected System.Web.UI.WebControls.Button cmdOK;
protected System.Web.UI.WebControls.Label lblMessage;
protected System.Web.UI.WebControls.ValidationSummary ValidationSummary1;

private void Page_Load(object sender, System.EventArgs e)
{
// Put user code to initialize the page here
}
#region Web Form Designer generated code
override protected void OnInit(EventArgs e)
{
//
// CODEGEN: This call is required by the ASP.NET Web Form Designer.
//
InitializeComponent();
base.OnInit(e);
}

/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
this.cmdOK.Click += new System.EventHandler(this.cmdOK_Click);
this.Load += new System.EventHandler(this.Page_Load);
}
#endregion
private void cmdOK_Click(object sender, System.EventArgs e)
{
if (!this.IsValid) return;
lblMessage.Text = "cmdOK_Click event handler executed.";
}
}

--%>

</source>

← Предыдущая	Версия 15:30, 26 мая 2010
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ASP.Net/Validation by Control/ValidationSummary - История изменений

в 15:30, 26 мая 2010

Admin: 1 версия