Detailed explanation of ASP.NET system object Request

Request object

　Used toobtain all the information provided by the clientwhen requesting a page or transmitting a Form . It includes the user's HTTP variables, identifiable browsers, cookie information and request addresses stored on the client, etc.

The Request object is an object of the System.Web.httpRequest class. Its

common properties are as follows:

QueryString: Gets the set of HTTP query string variables, mainly used to collect the data sent by Get request in the HTTP protocol

Form: Gets the set of form or page variables, use Used to collect the request data sent by the Post method

ServerVarible: The environment variable collection contains the system information of the server and client

Params: It is A collection of three methods: QueryString, Form and ServerVarible, regardless of which method the parameters are passed

Url: Get URL information about the current request

UserHostName: Get the DNS name of the remote client

UserHostAddress: Get the IP host address of the remote client

IsLocal: Get a Value indicating whether the request is coming from the local computer

Browser: Gets or sets information about the client browser capabilities being requested

Commonly used methods are as follows:

BinaryRead(): Execute binary reading of a specified number of bytes on the current input stream

SaveAs(): Save HTTP request to disk

Partial properties:

protected void Page_Load(object sender, EventArgs e)
        {
            Textbox1.Text = Request.Browser.Browser;
            Textbox2.Text = Request.Url.ToString();
            Textbox3.Text = Request.ContentLength.ToString();
            Textbox4.Text = Request.FilePath;
            Textbox5.Text = Request.HttpMethod;
            Textbox6.Text = Request.UserHostName;
        }

Output result:

Summary: Request is used to obtain various information from the client

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