سلام من یه ادیتور تکست تو asp اضافه کردم اما وقتی اطلاعات رو توش وارد میکنم رو ثبت میزنم ارور میده این ارورشه

A potentially dangerous Request.Form value was detected from the client (ctl00$ContentPlaceHolder1$content="<p><span style="colo...").

Description: ASP.NET has detected data in the request that is potentially dangerous because it might include HTML markup or script. The data might represent an attempt to compromise the security of your application, such as a cross-site scripting attack. If this type of input is appropriate in your application, you can include code in a web page to explicitly allow it. For more information, see http://go.microsoft.com/fwlink/?LinkID=212874. 

Exception Details: System.Web.HttpRequestValidationException: A potentially dangerous Request.Form value was detected from the client (ctl00$ContentPlaceHolder1$content="<p><span style="colo...").

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