页面返回值的问题

Question

我有A,B两个页面,A页的Iframe有个GrideView，点击某一行的打开B页面,B的后台接收参数读出详细数据，点击“确定”后，（aspbutton）后台代码"Response.Write("<script>alert(已成功修改');</script>");",问题:1.alert不弹出;
     2.关闭之后GrideView怎么刷新

Answer 1

你可以在B页面关闭了在重新跳转到A页面撒！至于你的alert弹不出要看你的全不代码了  在ASP.ENT中如果你用的ajax的无刷新技术这种方式就会弹不出来！

Answer 2

response.write("<script>window.openner.location.href=window.openner.location.href</script>")
刷新负页面
Page.RegisteraStartupScript(this,this.GetType(),"alert","alert(已成功修改');")

Answer 3

你的B页面是不是有UpdatePanel啊？
另外以后记得在后台输出脚本不要再用Response.Write了
参考:
如果有UpdatePanel:ScriptManager.RegisterStartupScript(this,typeof(string),"success","alert('修改成功');window.opener.location.href = window.opener.location.href;", true);如果没有ClientScript.RegisterStartupScript(typeof(string),"success","alert('修改成功');window.opener.location.href = window.opener.location.href;", true);

Answer 4

还要请教一个问题，为什么我的项目运行起来，App_Data文件夹中多个了ASPNETDB数据库，这是怎么回事，请解答

Answer 5

Response.Write("<script>window.open('about:blank','_self');window.close();window.opener.location.reload();</script>");

Answer 6

你是不是使用了asp.net自带的form验证啊？

Answer 7

不是验证控件，换个问法吧，是否在网站中使用了Login登录控件？

Answer 8

没有呀，我就有几个控件验证了必填，<table border="0" cellpadding="1" cellspacing="0" style="border-collapse: collapse">
                    <tr>
                        <td>
                            <table border="0" cellpadding="0">
                                <tr>
                                    <td align="center" colspan="2">
                                        更改密码</td>
                                </tr>
                                <tr>
                                    <td align="right" style="width: 132px">
                                        <asp:Label ID="CurrentPasswordLabel" runat="server" AssociatedControlID="CurrentPassword">密&nbsp;&nbsp;&nbsp;码:</asp:Label></td>
                                    <td>
                                        <asp:TextBox ID="CurrentPassword" runat="server" TextMode="Password" Width="161px"></asp:TextBox>
                                        <asp:RequiredFieldValidator ID="CurrentPasswordRequired" runat="server" ControlToValidate="CurrentPassword" Display="Dynamic" ErrorMessage="必须填写“密码”。">*</asp:RequiredFieldValidator>
                                    </td>
                                </tr>
                                <tr>
                                    <td align="right" style="width: 132px">
                                        <asp:Label ID="NewPasswordLabel" runat="server" AssociatedControlID="NewPassword">新密码:</asp:Label></td>
                                    <td>
                                        <asp:TextBox ID="NewPassword" runat="server" TextMode="Password" Width="161px"></asp:TextBox>
                                        <asp:RequiredFieldValidator ID="NewPasswordRequired" runat="server" ControlToValidate="NewPassword"
                                            ErrorMessage="必须填写“新密码”。" ToolTip="必须填写“新密码”。" >*</asp:RequiredFieldValidator>
                                    </td>
                                </tr>
                                <tr>
                                    <td align="right" style="width: 132px">
                                        <asp:Label ID="ConfirmNewPasswordLabel" runat="server" AssociatedControlID="ConfirmNewPassword">确认新密码:</asp:Label></td>
                                    <td>
                                        <asp:TextBox ID="ConfirmNewPassword" runat="server" TextMode="Password" Width="161px"></asp:TextBox>
                                        <asp:RequiredFieldValidator ID="ConfirmNewPasswordRequired" runat="server" ControlToValidate="ConfirmNewPassword"
                                            ErrorMessage="必须填写“确认新密码”。" ToolTip="必须填写“确认新密码”。" >*</asp:RequiredFieldValidator>
                                    </td>
                                </tr>
                                <tr>
                                    <td align="center" colspan="2">
                                        <asp:CompareValidator ID="NewPasswordCompare" runat="server" ControlToCompare="NewPassword"
                                            ControlToValidate="ConfirmNewPassword" Display="Dynamic" ErrorMessage="“确认新密码”与“新密码”项必须匹配。"
                                            ></asp:CompareValidator>
                                    </td>
                                </tr>
                                <tr>
                                    <td align="right" style="width: 132px">
                                        <asp:Button ID="ChangePasswordPushButton" runat="server" onclick="ChangePassword"  Text="更改密码"  />
                                    </td>
                                    <td>
                                        <asp:Button ID="CancelPushButton" runat="server"  onclick="Cancel"  Text="取消" />
                                    </td>
                                </tr>
                            </table>
                        </td>
                    </tr>
                </table>我点确定，他验证控件的必填，怎么我点取消，也验证呀，怎么把取消验去掉！！请教“天行健”

Answer 9

Response.Write(" <script>alert(已成功修改'); </script>"); 
这句话改成
Response.Write(" <script>alert(已成功修改'); location="A 页面";</script>"); 
这样就会重新加载A页面，gridview也就刷新了
至于为什么不弹出，1.你写的代码有问题，没执行到  这句话，就不执行了，或跳过去了。
 2.你用了ajax 

Answer 10

为控件指定ValidationGroup就可以了，参考：        <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox><asp:RequiredFieldValidator ControlToValidate="TextBox1"
            ID="RequiredFieldValidator1" runat="server" ErrorMessage="Not Empty" ValidationGroup="Val1"></asp:RequiredFieldValidator>
        <asp:Button ID="Button1" runat="server" Text="Button" ValidationGroup="Val1" />
        <asp:Button ID="Button2" runat="server" Text="Button" />