ASP.NET 4.0 取消表单危险字符验证

    /// <summary>

    /// ASP.NET4.0 表单验证类

    /// </summary>

    public class FormRequestValidation : RequestValidator

    {

        public FormRequestValidation() { }

        protected override bool IsValidRequestString(HttpContext context, string value, RequestValidationSource requestValidationSource

            , string collectionKey, out int validationFailureIndex)

        {

            //不验证

            validationFailureIndex = -1; return true;

        }

    }

web.config加上

  <system.web>
    <!--new 添加该节点对request.form的验证进行设定 -->
    <httpRuntime requestValidationType="namespace.FormRequestValidation" />
  </system.web>