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

检查绑定控件的数据。一些无效数据破坏了ValidateEvent。

其他回答

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。

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!

当我在ItemDataBound上添加id时,它没有给我错误,但它没有给我命令名。它返回命令名为空。然后我添加了命令名以及ItemDataBound。然后它解决了同样的问题。谢谢Nilesh,好建议。它起作用了:)

您可以在.aspx页面中尝试类似的操作

add

EnableEventValidation=“false”

你可以随便问任何问题!

对我们来说,问题只在生产环境中随机发生。RegisterForEventValidation没有为我们做任何事情。

最后,我们发现在asp.net应用程序运行的web场中,两台IIS服务器安装了不同的。net版本。所以看起来他们有不同的规则加密asp.net验证散列。更新它们解决了大部分问题。

另外,我们在web中配置了machineKey(compatibilityMode)(在两个服务器中相同),httpRuntime(targetFramework), ValidationSettings:UnobtrusiveValidationMode, pages(renderAllHiddenFieldsAtTopOfForm)。配置两个服务器。

我们使用该站点生成密钥https://www.allkeysgenerator.com/Random/ASP-Net-MachineKey-Generator.aspx

我们花了很多时间来解决这个问题,我希望这对大家有所帮助。

<appSettings>
   <add key="ValidationSettings:UnobtrusiveValidationMode" value="None" />
...
</appSettings>
<system.web>
   <machineKey compatibilityMode="Framework45" decryptionKey="somekey" validationKey="otherkey" validation="SHA1" decryption="AES />
   <pages [...] controlRenderingCompatibilityVersion="4.0" enableEventValidation="true" renderAllHiddenFieldsAtTopOfForm="true" />
   <httpRuntime [...] requestValidationMode="2.0" targetFramework="4.5" />
...
</system.web>