解决ASP.NET 4.0 "A potentially dangerous Request.Form value was detected from the client". 错误
2012-07-28 15:15
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在.net中，Request时出现有HTML或Javascript等字符串时，系统会认为是危险性值。立马报错。
（在.aspx文件头中加入这句： <%@ Page validateRequest="false" %>，但还是出现相同错误）
或是修改web.config文件:
<configuration>
< system.web>
<pages validateRequest="false" />
< /system.web>
< /configuration>
但错误依旧。
对.NET 4.0, 应该加上requestValidationMode="2.0" to the httpRuntime configuration section of the web.config :
<httpRuntime requestValidationMode="2.0"/>
结构：<configuration>
<system.web>
<httpRuntime requestValidationMode="2.0">
（在.aspx文件头中加入这句： <%@ Page validateRequest="false" %>，但还是出现相同错误）
或是修改web.config文件:
<configuration>
< system.web>
<pages validateRequest="false" />
< /system.web>
< /configuration>
但错误依旧。
对.NET 4.0, 应该加上requestValidationMode="2.0" to the httpRuntime configuration section of the web.config :
<httpRuntime requestValidationMode="2.0"/>
结构：<configuration>
<system.web>
<httpRuntime requestValidationMode="2.0">
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