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Friday 14 February 2014

How to Validate User Registration Form Validation in JavaScript Source Code c#

How to Validate User Registration Form Validation in JavaScript Source Code c#



<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
    <title>Registration Form Validation in JavaScript Source Code</title>
    <script language="javascript" type="text/javascript"> function validate() { var summary = ""; summary += isvaliduser(); summary += isvalidFirstname(); summary += isvalidLocation(); if (summary != "") { alert(summary); return false; } else { return true; } } function isvaliduser() { var uid; var temp = document.getElementById("<%=txtuser.ClientID %>"); uid = temp.value; if (uid == "") { return ("Please Enter UserName" + "\n"); } else { return ""; } } function isvalidFirstname() { var uid; var temp = document.getElementById("<%=txtfname.ClientID %>"); uid = temp.value; if (uid == "") { return ("Please enter firstname" + "\n"); } else { return ""; } } function isvalidLocation() { var uid; var temp = document.getElementById("<%=txtlocation.ClientID %>"); uid = temp.value; if (uid == "") { return ("Please enter Location" + "\n"); } else { return ""; } } </script>
</head>
<body>
    <form id="form1" runat="server">
        <table align="center">
            <tr>
                <td>UserName</td>
                <td>
                    <asp:textbox id="txtuser" runat="server" />
                </td>
            </tr>
            <tr>
                <td>First Name</td>
                <td>
                    <asp:textbox id="txtfname" runat="server" />
                </td>
            </tr>
            <tr>
                <td>Location</td>
                <td>
                    <asp:textbox id="txtlocation" runat="server" />
                </td>
            </tr>
            <tr>
                <td></td>
                <td>
                    <asp:button id="btnsubmit" runat="server" text="Save" onclientclick="javascript:validate()" />
                </td>
            </tr>
        </table>
    </form>
</body>
</html>







UserName First Name Location


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