RequiredFieldValidator2为验证输入密码不能为空,为啥鼠标放到textbox后 请输入关键字消失后,按理说为空了,RequiredFieldValidator2就应该给出提示了(请输入关键字)可什么提示都没有,请问怎么回事?难道是那段jquery有问题?
代码如下:
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="ex1.aspx.cs" Inherits="中级.验证控件.ex1" %><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title></title> <script src="../js/jquery-1.4.2.js" type="text/javascript"></script>
<script type="text/javascript">
$(function() {
$("#<%=TextBox2.ClientID %>").mouseover(function() {
var str = $(this).val();
//alert(str);
if (str == '请输入关键字') {
$(this).val("");
};
});
});
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
<asp:RequiredFieldValidator ID="RequiredFieldValidator1" runat="server"
ControlToValidate="TextBox1" ErrorMessage="不能为空"></asp:RequiredFieldValidator>
<br />
<br />
<asp:TextBox ID="TextBox2" runat="server" ForeColor="#999999">请输入关键字</asp:TextBox>
<asp:RequiredFieldValidator ID="RequiredFieldValidator2" runat="server"
ControlToValidate="TextBox2" ErrorMessage="请输入关键字" InitialValue="请输入关键字"></asp:RequiredFieldValidator>
<br />
<asp:DropDownList ID="DropDownList1" runat="server">
<asp:ListItem>--请选择性别--</asp:ListItem>
<asp:ListItem>男</asp:ListItem>
<asp:ListItem>女</asp:ListItem>
<asp:ListItem>未知</asp:ListItem>
</asp:DropDownList>
<asp:RequiredFieldValidator ID="RequiredFieldValidator3" runat="server"
ControlToValidate="DropDownList1" ErrorMessage="请选择性别" InitialValue="--请选择性别--"></asp:RequiredFieldValidator>
<br />
<asp:Label ID="Label1" runat="server" Text="Label"></asp:Label>
<br />
<asp:Button ID="Button1" runat="server" onclick="Button1_Click" Text="Button" />
</div>
</form>
</body>
</html>
代码如下:
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="ex1.aspx.cs" Inherits="中级.验证控件.ex1" %><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title></title> <script src="../js/jquery-1.4.2.js" type="text/javascript"></script>
<script type="text/javascript">
$(function() {
$("#<%=TextBox2.ClientID %>").mouseover(function() {
var str = $(this).val();
//alert(str);
if (str == '请输入关键字') {
$(this).val("");
};
});
});
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
<asp:RequiredFieldValidator ID="RequiredFieldValidator1" runat="server"
ControlToValidate="TextBox1" ErrorMessage="不能为空"></asp:RequiredFieldValidator>
<br />
<br />
<asp:TextBox ID="TextBox2" runat="server" ForeColor="#999999">请输入关键字</asp:TextBox>
<asp:RequiredFieldValidator ID="RequiredFieldValidator2" runat="server"
ControlToValidate="TextBox2" ErrorMessage="请输入关键字" InitialValue="请输入关键字"></asp:RequiredFieldValidator>
<br />
<asp:DropDownList ID="DropDownList1" runat="server">
<asp:ListItem>--请选择性别--</asp:ListItem>
<asp:ListItem>男</asp:ListItem>
<asp:ListItem>女</asp:ListItem>
<asp:ListItem>未知</asp:ListItem>
</asp:DropDownList>
<asp:RequiredFieldValidator ID="RequiredFieldValidator3" runat="server"
ControlToValidate="DropDownList1" ErrorMessage="请选择性别" InitialValue="--请选择性别--"></asp:RequiredFieldValidator>
<br />
<asp:Label ID="Label1" runat="server" Text="Label"></asp:Label>
<br />
<asp:Button ID="Button1" runat="server" onclick="Button1_Click" Text="Button" />
</div>
</form>
</body>
</html>
JScript code
function 你的js函数()
{
if(Page_ClientValidate())
{
//........
return true;
}
else
{
//......
return false;
}
}
<%@ Page Language="C#" AutoEventWireup="true" %>加入了
protected void Button1_Click(object sender, EventArgs e)
{ }
以能运行