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  • Priority: Medium
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validation checking on text boxes

I hv a simple feedback form page where i want to validate empty text boxes
for eg: email text box with comment area box
when user donot insert email information and comment it should provide alert mes like "Please insert ......."
then only submit form should proceed
please suggest me
Regards
0
happyprogramming
Asked:
happyprogramming
  • 3
1 Solution
 
ho_alanCommented:
<form name=fm1 onsubmit="check()">
<input type=text name=email>
<input type=text name=comment>
</form>

<script>
function check()
{
     valid=true;
    fmSize=document.fm1.length;
    for i=0;i<fmSize;i++
       if(document.fm1.elements[i].value=""){
           alert("please insert : " +document.fm1.elements[i].name)
       valid=false;
      }
   return  valid;
}
</script>
0
 
happyprogrammingAuthor Commented:
This is my form page where i want to make sure user has put the valuyes

<html>
    <head>
          <title>User Feedback-From</title>
    </head>

    <body bgcolor="white" text="black" background=" "><center><font face=Courier New>

    <div align="center"><img src="reallogo.bmp" align="center" alt="LOGO"></div>
    </br>
    <center><font face="Verdana"><h2>User Feedback-Comment Form</h2>
<div align="center">
     </br>

<form method=post action="processfeedback.php">
   Your name: <br />
     <input type=text name="name" size=40><br />
   Your email address <br />
     <input type=text name="email" size=40><br />
<font size='1' color='blue'>*Please provide correct e-mail id to get reply.</font></br></br>
   <b>Your feedback:<br />
     <textarea name="feedback" rows=10 cols=70>
     </textarea><br />
     <input type=submit value="Submit  ">
     <input type=reset value="Clear All">
</form>
     </body>
0
 
ho_alanCommented:
this function is general checking function
it should work in your  case

<form method=post action="processfeedback.php" onsubmit="check();">

0
 
ho_alanCommented:
<form name=fm1 method=post action="processfeedback.php" onsubmit="check();">
0
 
NetwingCommented:
this should work:


<html>
    <head>
          <title>User Feedback-From</title>
             
              <script type="text/javascript">
<!--
function validateForm(objForm){
     var bValid=true;
     for (var i=0; i< objForm.elements.length && bValid;i++){
          if(objForm.elements[i].type.indexOf('select')!=-1){
                if(!(objForm.elements[i].value)){
                   bValid=false;
                    alert("Please insert ......");
                }
           }else{
               if(!objForm.elements[i].value){
                  bValid=false;
                  alert("Please insert ......");
               }
           }
   }
return bValid;
}

-->
</script>
             
             
    </head>

    <body bgcolor="white" text="black" background=" "><center><font face=Courier New>
<form method=post action="#" onSubmit="return validateForm(this)">
  <p>Your name:
    <input type=text name="name" size=40>
    <br>
    Your email address
    <input type=text name="email" size=40>
  </p>
  <p><font size='1' color='blue'>*Please provide correct e-mail id to get reply.</font>
    <br>
    Your feedback: <br>
    <textarea name="feedback" cols="50" rows="5"></textarea>
    <br>
    <input type=submit value="Submit  ">
    <input type=reset value="Clear All">
  </p>
</form>
</body>
</html>
0

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