How to use Javascript Code in a button's Click event

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I have written javascript function in script tag in asp page and called the function OnClick event of a button.
But when I click the button it does not work and show an error message that button does not contain a function that I declared above. Please help me.
Mohi Uddin

Posted 9-Mar-13 23:24pm

Sumon562

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OriginalGriff 10-Mar-13 5:32am

Show us the code - at the moment we would have to guess.
Use the "Improve question" widget to edit your question and provide better information - just the relevant code fragments, please!

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sarvanik · Answer 1 · 2013-03-10T00:30:00

i'm giving you an example it will help you

XML

<script type="text/javascript">
    function validate()
     {
    if(document.getElementById("<%=txtName.ClientID %>").value == 0)
      {
        alert("Please Enter Name");
        document.getElementById("<%=txtName.ClientID %>").focus();
        return false;
      }
</script>

<asp:button id="btnAdd" text="Add" runat="server" onclientclick="javascript:return validate();"/>