JavaScript - prevent multiple form submittals |
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| Often times we need to prevent a user from submitting the same form twice. This issue becomes especially important with slow connections. Here is a small JavaScript sample of how to prevent duplicate form submittals: |
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Often times we need to prevent a user from submitting the same form twice. This issue becomes especially important with slow connections. Here is a small JavaScript sample of how to prevent duplicate form submittals:
<SCRIPT language=JavaScript >
var submitcount=0;
function checkSubmit()
{
if (submitcount == 0)
{ submitcount++; return true; }
else
{ alert('This form has already been submitted.' ); return false; }
}
</SCRIPT>
<form name=frmSubmit method=post onSubmit=" return checkSubmit();" action="mypage.asp" > |
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| Submission Date: 9/23/2005 3:03:18 PM |
| Submitted By: Robbe Morris |
| My Home Page: http://www.robbemorris.com |
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| My Biography |
| Robbe has been a Microsoft MVP for C# since 2004. He is also the co-founder of EggHeadCafe. Robbe has extensive experience with web technologies, .NET, C#, CTI based applications, system administration, .NET Compact Framework, and data modeling. In his spare time, he blogs from time to time at http://robbemorris.blogspot.com |