html validation before submitting form

How can I check validation before submitting the form.

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    </script>

</head>

<body dir="rtl">

<form name="form1" action="pay.php" method="post">

<table align="center" cellpadding="0" cellspacing="0" width="100%">

<tbody>

<tr>

<td>

<table class="InputTable" align="center" cellpadding="0" cellspacing="0">

<tbody>

<tr>

<td>

<table class="MainTable" align="center" cellpadding="1" cellspacing="5" height="153" width="421">

<tbody>

<tr class="HeaderTr">

<td colspan="2" align="center" height="30px"><span class="HeaderText">اطلاعات پرداخت</span></td></tr>

<tr class="RowF">

<td class="LabelTd"><span>نام و نام خانوادگی :</span></td>
 
<td><input name="Name" class="textbox" type="text" /><font color="#ff0000" size="1">*</font></td></tr>

<tr class="RowZ">

<td class="LabelTd"><span>مبلغ پرداختی :</span></td>

<td>                                    <input name="Amount" class="textbox" onkeyup="data_change(this)" type="text" /> <font size="1"><font color="#ff0000">*</font> </font><font size="1">ریال</font></td></tr>

<tr class="RowF">

<td class="LabelTd"><span>روش ارسال  : </span></td>

<td><select name="Title" class="combobox">

<option>از طريق شركت پست </option>

<option>ارسال با باربري</option>

<option>ارسال رايگان</option>

<option>پرداخت  هزينه پست درب منزل</option></select>                                    </td></tr>

<tr class="RowZ">

<td class="LabelTd">

                                        شماره موبايل<span> :</span></td>

<td>                                    <input name="Email2" class="textbox" type="text" /><font size="1"><font color="#ff0000">*</font> </font><span class="comment">جهت ارسال رسيد سفارش</span></td></tr>

<tr class="RowF">

<td class="LabelTd">

                                        آدرس دقيق پستي <span>:</span></td>

<td>

<p>                                    <input name="Email" class="textbox" type="text" /><font size="1"><font color="#ff0000">*</font> </font><span class="comment">جهت ارسال بسته</span></p></td></tr>

<tr class="RowZ">

<td colspan="2" align="center" height="30px"><font size="1"><font color="#ff0000">*</font> <font color="#ff0000"></font> بايد پر شود </font><font size="2"><font color="#0000ff"> </font></font><font size="2"><font color="#0000ff"></font></font><font size="1"> <font color="#0000ff"><font size="2"></font>&nbsp;</font> </font><br />

<input class="button" name="PayRequestButton" value="پرداخت" type="submit" /></td></tr></tbody></table>                            </td></tr></tbody></table></td></tr></tbody></table>

<pre>    </pre></center></form>
 
</body>

</html>

Jan 14 '13 #1

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1529

pcmarket

Please use showing the location of the new validation codes and how to use the codes say thanks

Jan 14 '13 #2

Anas Mosaad

185

128KB

Create a JS function that returns a boolean (i.e. named validate). Add onsubmit="return validate()" to the form.

Jan 14 '13 #3

pcmarket

hello
plz end me how use validation codes

Jan 15 '13 #4

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