Validation for Textbox

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Good Afternoon all of you dear friends !!

Validation for Textbox
=======================

Validation for textbox if the year is less than current year.I need to enter further years not back years.
Message : Please enter valid year.

Please help me, an trying a lot .

Thank you

Posted 15-Jul-12 23:16pm

Software Engineer 892

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Comments

StianSandberg 16-Jul-12 5:56am

this is 3. time you post the exact same question today...
http://www.codeproject.com/Questions/422082/Textbox-validation-for-year-2013
http://www.codeproject.com/Questions/422017/how-to-validate-textbox-with-previous-year

Mohamed Mitwalli 16-Jul-12 6:15am

Did you try any of the answers in previous Question you post ?

Sandeep Mewara 16-Jul-12 8:24am

Multiple reposts.

I have already explained in detail on how to achieve it.

2 solutions

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Santhosh Kumar Jayaraman · Answer 1 · 2012-07-15T23:25:00

Solution 1

C#

if(Convert.ToInt32(txtBox.Text)<Datetime.Today.Year)
{
//"Your message goes here"
}

Posted 15-Jul-12 23:25pm

Santhosh Kumar Jayaraman

Updated 15-Jul-12 23:32pm

v4

Nilesh Patil Kolhapur · Answer 2 · 2012-07-15T23:46:00

Hi,
try this javascript validation

JavaScript

//Javascript Function

function YearValidation() {
            var txtYear = document.getElementById('<%=txtYear.ClientID %>');
            if (parseInt(txtYear.value, 10) < parseInt(new Date().getFullYear())) {
                alert('Enter Valid year');
                txtYear.focus();
                return false;
            }
        }

Calling

XML

<asp:TextBox ID="txtYear" runat="server"></asp:TextBox>
      <asp:Button runat="server" Text="Button" OnClientClick="return YearValidation()"/>