Asp. NET Learning Notes: Validating user Form input

Last Update:2017-02-28 Source: Internet

Author: User

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Operating environment: Win2000 Advance server+iis5.0+ngws SDK (80M).
The function of verifying the email address is in the code of Brother Liao's essence area.
<%@ Page language= "C #"%>

<script language= "JavaScript" >
function Clientvalidateemail (source, value)
{
var strr;
re=/(\w+@\w+\.\w+) (\.{ 0,1}\w*) (\.{ 0,1}\w*)/I;
Re.exec (value);
if (regexp.$3!= "&&regexp.$3!=".) &&regexp.$2!= ".") Strr=regexp.$1+regexp.$2+regexp.$3
Else
if (regexp.$2!= "" &&regexp.$2!= ".") Strr=regexp.$1+regexp.$2
else strr=regexp.$1
if (Strr!=value)
return false;
Else
return true;
}
</script>
<body>

<form Method=post runat=server>
&LT;HR width=600 size=1 noshade>
<table>
<tr>
<td>
<asp:validationsummary id= "valsum" runat= "Server"
headertext= "You must enter the following form fields:"
Displaymode= "BulletList"
Font-name= "Song Body"
Font-size= "12"
/>
</td>
</tr>
</table>
<center>
<p>


<table border=0 width=600 >
&LT;TR&GT;&LT;TD colspan=3>
<table border=0 cellpadding=0 cellspacing=0 width= "100%" >
<tr><td>
<b> Login Information </b>
</td></tr>
</table>
</td></tr>
<tr>
&LT;TD align=right>
Email Address:
</td>
<td>
<asp:textbox id=email width=200px maxlength=60 runat=server/>
</td>
<td>
<asp:requiredfieldvalidator id= "Emailreqval"
controltovalidate= "Email"
errormessage= "Email Address"
Display= "Dynamic"
Font-name= "Song Body"
Font-size= "12"
Runat=server>
*
</asp:RequiredFieldValidator>
<asp:customvalidator id= "Emailregexval" runat= "Server"
controltovalidate= "Email"
clientvalidationfunction= "Clientvalidateemail"

Display= "Static"
Font-name= "Song Body"
Font-size= ">"
Illegal email address
</asp:CustomValidator>
</td>
</tr>

<tr>
&LT;TD align=right>
Password:
</td>
<td>
<asp:textbox id=passwd textmode= "Password" maxlength=20 runat=server/>
</td>
<td>
<asp:requiredfieldvalidator id= "Passwdreqval"
Controltovalidate= "passwd"
errormessage= "User Password"
Display= "Dynamic"
Font-name= "Song Body" font-size= "12"
Runat=server>
*
</asp:RequiredFieldValidator>
<asp:regularexpressionvalidator id= "Passwdregexbal"
Controltovalidate= "passwd"
Validationexpression= ". *[!@#$%^&*+;:].*"
Display= "Static"
Font-name= "Song Body" font-size= "12"
Width= "100%" runat=server>
The password must contain the following characters: (!@#$%^&*+;:)
</asp:RegularExpressionValidator>
</td>
</tr>
<tr>
&LT;TD align=right>
Confirm Password
</td>
<td>
<asp:textbox id=passwd2 textmode= "Password" maxlength=20 runat=server/>
</td>
<td>
<asp:requiredfieldvalidator id= "Passwd2reqval"
Controltovalidate= "Passwd2"
errormessage= "Confirm Password"
Display= "Dynamic"
Font-name= "Song Body" font-size= "12"
Runat=server>
*
</asp:RequiredFieldValidator>
<asp:comparevalidator id= "CompareValidator1"
Controltovalidate= "Passwd2" controltocompare= "passwd"
Display= "Static"
Font-name= "Song Body" font-size= "12"
Runat=server>
Password does not match
</asp:CompareValidator>
</td>
</tr>
&LT;TR&GT;&LT;TD colspan=3> </td></tr>


&LT;TR&GT;&LT;TD colspan=3>
<table border=0 cellpadding=0 cellspacing=0 width= "100%" >
<tr><td>
<b> Personal Information </b>
</td></tr>
</table>
</td></tr>
<tr>
&LT;TD align=right>
Name:
</td>
<td>
<asp:textbox id=pname maxlength=20 width=200px runat=server/>
</td>
<td>
</td>
</tr>
<tr>
&LT;TD align=right>
Address:
</td>
<td>
<asp:textbox id=address width=200px runat=server/>
</td>
<td>
</td>
</tr>
<tr>
&LT;TD align=right>
Zip:
</td>
<td>
<asp:textbox id=postcode width=60px maxlength=6 runat=server/>
</td>
<td>
<asp:regularexpressionvalidator id= "RegularExpressionValidator1"
Controltovalidate= "Postcode"
validationexpression= "^\d{6}$"
Display= "Static"
Font-name= "Song Body" font-size= "12"
Runat=server>
Zip code must be 6 digits
</asp:RegularExpressionValidator>
</td>
</tr>
<tr>
&LT;TD align=right>
Gender:
</td>
<td>
<asp:radiobuttonlist Id=sextype runat=server>
<asp:ListItem> male </asp:ListItem>
<asp:ListItem> Women </asp:ListItem>
</ASP:RadioButtonList>
</td>
<td>
<asp:requiredfieldvalidator id= "Sextypereqval"
Controltovalidate= "Sextype"
Errormessage= "Gender"
Display= "Static"
Initialvalue= ""
Font-name= "Song Body" font-size= "12"
Runat=server>
*
</asp:RequiredFieldValidator>
</td>
</tr>
<tr>
&LT;TD align=right>
Year of birth:
</td>
<td>
<asp:dropdownlist Id=expyear runat=server>
<asp:ListItem></asp:ListItem>
<asp:listitem >1976</asp:ListItem>
<asp:listitem >1975</asp:ListItem>
</ASP:DropDownList>
</td>
<td>
<asp:requiredfieldvalidator id= "Expdatereqval"
Controltovalidate= "Expyear"
Errormessage= "Year of Birth"
Display= "Static"
Initialvalue= ""
Font-name= "Song Body" font-size= "12"
Runat=server>
*
</asp:RequiredFieldValidator>
</td>
</tr>
</table>

<p>
<input runat= "Server" Type=submit value= "Submit" >
<p>
</form>
</center>
</body>

This article is an English version of an article which is originally in the Chinese language on aliyun.com and is provided for information purposes only. This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of the article or any translations thereof. If you have any concerns or complaints relating to the article, please send an email, providing a detailed description of the concern or complaint, to info-contact@alibabacloud.com. A staff member will contact you within 5 working days. Once verified, infringing content will be removed immediately.

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Asp. NET Learning Notes: Validating user Form input

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