当我从客户端返回一个页面时,我得到以下错误。我有JavaScript代码,修改asp:ListBox在客户端。

我们如何解决这个问题?

错误详情如下:

Server Error in '/XXX' Application.

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Invalid postback or callback argument.  Event validation is enabled using <pages enableEventValidation="true"/> in configuration or <%@ Page EnableEventValidation="true" %> in a page.  For security purposes, this feature verifies that arguments to postback or callback events originate from the server control that originally rendered them.  If the data is valid and expected, use the ClientScriptManager.RegisterForEventValidation method in order to register the postback or callback data for validation.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.ArgumentException: Invalid postback or callback argument.  Event validation is enabled using <pages enableEventValidation="true"/> in configuration or <%@ Page EnableEventValidation="true" %> in a page.  For security purposes, this feature verifies that arguments to postback or callback events originate from the server control that originally rendered them.  If the data is valid and expected, use the ClientScriptManager.RegisterForEventValidation method in order to register the postback or callback data for validation.

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:

[ArgumentException: Invalid postback or callback argument.  Event validation is enabled using <pages enableEventValidation="true"/> in configuration or <%@ Page EnableEventValidation="true" %> in a page.  For security purposes, this feature verifies that arguments to postback or callback events originate from the server control that originally rendered them.  If the data is valid and expected, use the ClientScriptManager.RegisterForEventValidation method in order to register the postback or callback data for validation.]
   System.Web.UI.ClientScriptManager.ValidateEvent(String uniqueId, String argument) +2132728
   System.Web.UI.Control.ValidateEvent(String uniqueID, String eventArgument) +108
   System.Web.UI.WebControls.ListBox.LoadPostData(String postDataKey, NameValueCollection postCollection) +274
   System.Web.UI.WebControls.ListBox.System.Web.UI.IPostBackDataHandler.LoadPostData(String postDataKey, NameValueCollection postCollection) +11
   System.Web.UI.Page.ProcessPostData(NameValueCollection postData, Boolean fBeforeLoad) +353
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1194

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Version Information: Microsoft .NET Framework Version:2.0.50727.1433; ASP.NET Version:2.0.50727.1433

当前回答

如果您正在使用gridview,而不是在pageload inside !ispostback中绑定gridview,那么当您单击gridview中的编辑和删除行时,将出现此错误。

 protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
        bindGridview();
        }

其他回答

以上这些方法对我都没用。经过更多的挖掘,我意识到我忽略了2个表单应用在页面上,这是导致问题的原因。

<body>
<form id="form1" runat="server">
<div>
        <form action="#" method="post" class="form" role="form">
        <div>
        ...
        <asp:Button ID="submitButton" runat="server"
        </div>
</div>
</body>

注意,最近ASP。NET已经开始考虑iframes在一个表单标签中包含一个表单标签在iframe文档本身是一个嵌套框架。为了避免这个错误,我不得不将iframe移出form标签。

四分钟前我收到了同样的错误。然后我像你一样研究了半个小时。在所有论坛中,他们通常会说“添加页面enableEvent..”=假或真”。任何提出的解决方案都不能解决我的问题,直到我找到它。不幸的是,问题出在ASP。净按钮。我两秒钟前把它取下来了。我尝试用“imagebutton”替换,但这也是不可接受的(因为它给出了相同的错误)。

最后我已经替换为LinkButton。它似乎起作用了!

我用过DataGrid。其中一列是“选择”按钮。当我点击任何一行的“选择”按钮时,我收到了这个错误消息:

无效的回发或回调参数。事件验证使用配置或 <%@ Page EnableEventValidation="true" %>出于安全考虑,此特性验证回发或回发的参数 回调事件源自最初呈现它们的服务器控件。如果数据是有效的和预期的,则使用 ClientScriptManager。RegisterForEventValidation方法,以便注册回发或回调数据进行验证。

我改了几个密码,最后成功了。我的体验路线:

1)我把页面属性改为EnableEventValidation="false"。但这并没有起作用。(这不仅危险 出于安全原因,我的事件处理程序没有被调用:void Grid_SelectedIndexChanged(对象发送者,EventArgs e)

2)实现ClientScript。渲染方法中的RegisterForEventValidation。但这并没有起作用。

protected override void Render(HtmlTextWriter writer)
{
    foreach (DataGridItem item in this.Grid.Items)
    {
        Page.ClientScript.RegisterForEventValidation(item.UniqueID);
        foreach (TableCell cell in (item as TableRow).Cells)
        {
            Page.ClientScript.RegisterForEventValidation(cell.UniqueID);
            foreach (System.Web.UI.Control control in cell.Controls)
            {
                if (control is Button)
                    Page.ClientScript.RegisterForEventValidation(control.UniqueID);
            }
        }
    }
}

3)我改变了我的按钮类型在网格列从PushButton到LinkButton。它工作!(" ButtonType = " LinkButton”)。我认为如果你可以改变你的按钮到其他控件,如“LinkButton”在其他情况下,它会正常工作。

我也遇到过同样的问题

刚刚添加了一个条件if(!IsPostBack),它工作得很好:)

我用的是数据列表,我的按钮也出现了同样的错误。我只是使用IsPostBack检查和填充我的控件,问题就解决了!太棒了! !