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Context Property
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Page.Context Property

Gets the HttpContext object associated with the page.

Namespace:  System.Web.UI
Assembly:  System.Web (in System.Web.dll)

protected internal override HttpContext Context { get; }

Property Value

Type: System.Web.HttpContext
An HttpContext object that contains information associated with the current page.

This property provides programmatic access to the context the page runs in, including information about the request, response, session, and application.

The following code example uses the Context property to access the HttpContext.AddError and HttpContext.ClearError methods and the HttpContext.AllErrors property. The example creates three custom exceptions using the AddError method and uses the AllErrors property to load these exceptions to an array. It then writes the array to the containing page and uses the ClearError method to clear all the errors from the Context property.

void Page_Load(Object sender,EventArgs e) 
{
   Response.Write("<h3>Page.Context Example:</h3>");

   // Add three custom exceptions.
   Context.AddError(new Exception(
       "<h3 style='color: red'>New Exception #1.</h3>"));
   Context.AddError(new Exception(
       "<h3 style='color: red'>New Exception #2.</h3>"));
   Context.AddError(new Exception(
       "<h3 style='color: red'>New Exception #3.</h3>"));

   // Capture all the new Exceptions in an array.
   Exception[] errs = Context.AllErrors;

   foreach (Exception ex in errs)
   {
      Response.Write("<p style='text-align:center; ");
      Response.Write("font-weight:bold'>");
      Response.Write(Server.HtmlEncode(ex.ToString()) + "</p>"); 
   }

   // Clear the exceptions so ASP.NET won't handle them.
   Context.ClearError();
}

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1
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