Example 12.1: BMI Calculator This BMI calculator is a Visual Basic 2010 program that can calculate the body mass index of a person based on his or her body weight in kilogram and the body height in meter. 'Error in accessing the resource, handle itĪ second option is to use the WebClient class, this provides an easier to use interface for downloading web resources but is not as flexible as HttpWebRequest: Sub Main()ĭim client As WebClient = New WebClient()ĭim data As Stream = client. The argument is a parameter that can pass a value back to the function.There is no limit to the number of arguments you can put in. .net all array C char character characters chars check convert csharp css Directory Extension file files folder get html IO is Java javascript jQuery js list net php Python query remove retrieve select SQL String Strings System to vb. Doing a program that requires 2 web forms, and the program stats 'We have elongated the window so you can see that the order information was passed as a set of Request parameters appended to the URL. If (fr.GetResponse().ContentLength > 0) Thenĭim str As New System.IO.StreamReader(fr.GetResponse().GetResponseStream()) and get are used for setting and getting control parameter. You'll use it like: Tryįr = DirectCast(HttpWebRequest.Create(targetURI), ) library is available in Visual Basic and FORTRAN as a sup- plement to this publication and. Dim id As String Request.Params('RequestId') If you want to process this in as an integer, you can do the following: Dim id As Integer If Integer.TryParse(Request.
You can use the HttpWebRequest class to perform a request and retrieve a response from a given URL. In VB.Net you can do it with the following.
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