<form runat="server" class="input-wrapper blue-gradient glossy"> <input type="text" name="login" id="login" value="" class="input-unstyled" placeholder="Login" autocomplete="off"></li> <input type="password" name="pass" id="pass" value="" class="input-unstyled" placeholder="Password" autocomplete="off"></li> <button type="submit" runat="server" onclientclick="javascript:MyFunction();" onserverclick="btn_Login_Click" class="button glossy float-right" id="btn_Login">Login</button> </form>
function MyFunction() { // Values var login = $.trim($('#login').val()), pass = $.trim($('#pass').val()); // Check inputs if (login.length === 0) { // Display message alert('Please fill in your login'); return false; } else if (pass.length === 0) { // Display message alert('Please fill in your password'); return false; } else { return true; } }
protected void btn_Login_Click(object sender, EventArgs e) { // code }
<asp:Button runat="server" OnClientClick="if (!MyFunction()) { return false;};" OnClick="btn_Login_Click">
UseSubmitBehavior="false"
<asp:Button runat="server" OnClientClick="javascript:return MyFunction();" OnClick="btn_Login_Click" class="button glossy float-right" Text="Login" ID="btn_Login"> </asp:Button >
return
var
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