Client Side Validation in the view page

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Hi all,
I need to perform client side validation in the view page.I am using asp .net mvc3
My requirement is that, in the form page i have 8 fields.if the user doesnt enter any value and click the search button it should display an alert message with some message
And in case if he enters any value other than which is present in the database it again should display alert message
I am trying this using the following If condition but i wasnt able to display anything.Could any one please help me in this

if ((myForm.getItemValue("Firstname")) != null || (myForm.getItemValue("Lastname")) != null ||
(myForm.getItemValue("City")) != null || (myForm.getItemValue("State")) != null ||
(myForm.getItemValue("Country")) != null || (myForm.getItemValue("College")) != null) {
This is the condition i took in my view page
I am using ajax in my view page
Any one please help me
Thanks

Posted 15-May-12 0:17am

Sahi Pinisetty

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The Doer 15-May-12 6:58am

have you try with getElementById??

Sahi Pinisetty 15-May-12 7:15am

Just now i tried giving getElementById. It is showing "Object doesn't support property or method 'getItemId'" runtime exception

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Member 8876127 · Answer 1 · 2012-05-15T02:49:00

HTML

<script type="text/javascript">

function validate()
{
      if (document.getElementById("<%=tbFirstName.ClientID%>").value=="")
      {
                 alert("Name Field can not be blank");
                 document.getElementById("<%=tbFirstName.ClientID%>").focus();
                 return false;
      }
}
</script>

try this. this might work.