请求验证过程检测到有潜在危险的客户端输入值，对请求的处理已经中止。该值可能指示危及应用程序安全的尝试，如跨站点的脚本攻击。通过在 Page 指令或 <pages> 配置节中设置 validateRequest=false 可以禁用请求验证。但是，在这种情况下，强烈建议应用程序显式检查所有输入。</pages>

Request Validation has detected a potentially dangerous client input value, and processing of the request has been aborted. This value may indicate an attempt to compromise the security of your application, such as a cross-site scripting attack. To allow pages to override application request validation settings, set the requestValidationMode attribute in the httpRuntime configuration section to requestValidationMode="2.0". Example: &lt;httpRuntime requestValidationMode="2.0" /&gt;. After setting this value, you can then disable request validation by setting validateRequest="false" in the Page directive or in the &lt;pages&gt; configuration section. However, it is strongly recommended that your application explicitly check all inputs in this case. For more information, see http://go.microsoft.com/fwlink/?LinkId=153133.

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