Textbox in vb.net accept only 11 digits but not all zero

Question

1.00/5 (1 vote)

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Hi ,
in my application i have text box which is accepting only 11 digit numeric values.
my problem is that if someone is input all 0 value it is accepting ,which i don't want.how can i restrict it.
thanks

Posted 9-Apr-14 1:34am

ruby kaur

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Comments

[no name] 9-Apr-14 7:35am

Well you would check it and see if the user entered all zeros.

ZurdoDev 9-Apr-14 8:13am

There is no magic code to do this. You just have to write the code. Where are you stuck?

Peter Leow 9-Apr-14 21:27pm

There are too many questions to your question. You tagged your question as c#, but asked about vb.net, not clear if it is a web app or win app. How do you expect to get help with such confusing message.
It is totally out of question.

4 solutions

Solution 1

Just add check like (in javascript)

JavaScript

if(parseInt(textboxvalue) == 0)
{
alert('All Zero entered');
}

Posted 9-Apr-14 1:36am

Er. Puneet Goel

Comments

ruby kaur 9-Apr-14 7:55am

where to put this check.

ZurdoDev 9-Apr-14 8:14am

It may not be ASP.Net. It wasn't tagged that way at least.

Solution 2

In textcahnged event put this:

if(textbox.Text.Lenth==11 & int.parse(textbox.Text)==0)
   textbox.Text.clear();

Posted 9-Apr-14 10:12am

saber rezaii magham

Solution 4

if i can get your question correctly, the solution should be following,

int count= 0;

for(int i = 0; i<input.length;>{
if(input.Equals("0"))
{
count++;
}
}

if(count == 11)
{
//do your validation here
}

Posted 9-Apr-14 15:36pm

Jamie888

Updated 9-Apr-14 16:14pm

v2

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santosh1989 · Accepted Answer · 2014-04-09T19:05:00

Solution 5

Use compare field validator for client side validation

VB

<asp:CompareValidator runat="server"
        id="cmpNumbers"
        controltovalidate="txtNumber"
        ValueToCompare="000000000"
        operator="MoreThan"
        type="Integer"
        errormessage="Invalid Number" />

Posted 9-Apr-14 19:05pm

santosh1989

Comments

ruby kaur 11-Apr-14 1:45am

hi i use comparevalidator like this:
<asp:CompareValidator runat="server" id="cmpNumbers" controltovalidate="txtTIN"
ValueToCompare="000000000" operator="GreaterThan" type="Integer" errormessage="Invalid Tin Number" />

but it shows error msg in both condition weather i enter 00000000000 or 12345678912 why so.
and i am checking foe 11 digit no. and you suggest value to compare only 9 digit 000000000.
pls explain, and help.