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<asp:Button ID="Button1" runat="server" Text="提交" OnClientClick="if(CheckClientValidate()){return true;}else{return false;}" OnClick="Button1_Click" />
Code
<script language="javascript" type="text/javascript">
function CheckClientValidate(){
Page_ClientValidate();
if (Page_IsValid){
return true;
}else{
return false;
}
}
</script>
原文:http://www.cnblogs.com/loalongblogs/archive/2011/08/14/2138462.html
<form id="form1" runat="server">
<div>
<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
<asp:RequiredFieldValidator ID="RequiredFieldValidator1" runat="server" ControlToValidate="TextBox1" ErrorMessage="Please enter somthing in textbox"></asp:RequiredFieldValidator>
<br />
<asp:Button ID="Button1" runat="server" OnClick="Button1_Click" OnClientClick="if(Page_ClientValidate()){alert('true'); return true;}else{alert('false');return false;}" Text="Button" />
</div>
</form>