Microsoft.Web.Administration.ConfigurationElement.SetAttributeValue C# (CSharp) Method

        public void SetAttributeValue(string attributeName, object value)
        {
            GetAttribute(attributeName).SetValue(SetAttributeValueInner(attributeName, value));
        }

		private bool FillConfigurationElementWithData(ConfigurationElement item2Fill, HttpError error, WebVirtualDirectory virtualDir)
		{
			// code
			Int64 statusCode = 0;
			if (!Int64.TryParse(error.ErrorCode, out statusCode)
				|| statusCode < 400 || statusCode > 999)
				return false;

			// sub-code
			Int32 subStatusCode = -1;
			if (!Int32.TryParse(error.ErrorSubcode, out subStatusCode))
				return false;
			//
			if (subStatusCode == 0)
				subStatusCode = -1;

            // correct error content
            string errorContent = error.ErrorContent;
            if (error.HandlerType.Equals("File"))
            {
                if(error.ErrorContent.Length > virtualDir.ContentPath.Length)
                    errorContent = errorContent.Substring(virtualDir.ContentPath.Length);

                errorContent = FileUtils.CorrectRelativePath(errorContent);
            }

			item2Fill.SetAttributeValue(StatusCodeAttribute, statusCode);
			item2Fill.SetAttributeValue(SubStatusCodeAttribute, subStatusCode);
            item2Fill.SetAttributeValue(PathAttribute, errorContent);

			//
			item2Fill.SetAttributeValue(ResponseModeAttribute, error.HandlerType);
			// We are succeeded
			return true;
		}