VB.NET ASP.NET AscW() Source Code Syntax Example

Posted by on Sunday, February 20, 2011 · Leave a Comment 

AscW Example Syntax VB.NET ASP.NET | AscW | Source Code

Summary: – Illustrates using with in VB.NET ASP.NET.

 *** 1. Download Source Code *** 
VB.NET Syntax StringManipulation AscW download Download Source Code for All VB ASP.NET Examples in One Project – source code for hundreds of VB.NET ASP.NET examples neatly organized in a single project.

 *** 2. AscW Syntax *** 


Purpose:
Returns an Integer value representing the
character code corresponding to a character – if string
is used only first character is evaluated.


Syntax:
AscW(char)

Parameters Description
char char

Result Data Type Description
Integer represents the character code that corresponds to a character



Syntax2:
AscW(string)

Parameters Description
string string

Result Data Type Description
Integer represents the character code that corresponds to the
first character in the string


 *** 3. AscW – Quick Example *** 
Dim intAsc as integer = AscW(“T”) ‘ Returns 84

 *** 4. AscW – Full Example *** 

AscW Example Output Screenshot


VB.NET Syntax StringManipulation AscW screenshot


Step 1: Click on Visual Basic to Cut-n-paste code into AscW.aspx.vb

Imports System
Imports System.IO
Imports System.Data
 
 
' This example is from http://idealprogrammer.com
' It shows how you can use AscW syntax in VB.NET ASP.NET
'****************************************************************************************
' Purpose: Returns an Integer value representing the 
' character code corresponding to a character - if string 
' is used only first character is evaluated.
'
' Syntax: 	AscW(char) 
'
' Parameter1: char - char
'
' Result: Integer - represents the character code that corresponds to a character
'
'***********************************************************
'
' Syntax2: AscW(string)
'
' Parameter1: string - string
'
' Result: Integer - represents the character code that corresponds to the 
' first character in the string
'
' *********************************************************
'
' Quick Example: Dim intAsc as integer = AscW("T") ' Returns 84
'
'****************************************************************************************
 
Partial Class _AscW
    Inherits System.Web.UI.Page
 
    Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
        Label1.Text = "Example #1: AscW(""This is my string"")"
        TextBox1.Text = Microsoft.VisualBasic.AscW("This is my string").ToString() ' Returns 84
    End Sub
 
End Class

Step 2: Click on XML to Cut-n-paste code into AscW.aspx

< %@ Page Language="VB" AutoEventWireup="false" CodeFile="AscW.aspx.vb" Inherits="_AscW" %>
 
< !DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
 
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <h1><asp:label ID="Label1" runat="server" Text="Label"></asp:label> </h1>
         <asp:textbox ID="TextBox1" runat="server"></asp:textbox><br />
          <h1><asp:label ID="Label2" runat="server" Text="Label"></asp:label> </h1>
         <asp:textbox ID="TextBox2" runat="server"></asp:textbox><br />
          <h1><asp:label ID="Label3" runat="server" Text="Label"></asp:label> </h1>
         <asp:textbox ID="TextBox3" runat="server"></asp:textbox><br />
 
 
 
    </div>
    </form>
</body>
</html>

Prerequistes:

  1. Install Visual Web Developer 2010
  2. Install SQL Server Express
  3. Download Northwind and Pubs Databases
  4. Attach Northwind Database to Databases in Sql Express
  5. Attach pubs Database to Databases in Sql Express

Notes:

  • You can build your own library of syntax examples by using same web site over and over and just add new web forms to it.

Instructions:

VB.NET ASP.NET Syntax StringManipulation AscW
  1. Use Visual Web Developer 2010
  2. Create new web site;
    • Click File/New Web Site
    • Select ASP.NET Website Template
    • Select Visual Basic for Language
    • name of Web Site could be VBNET_ASPNET_Syntax.
  3. Add New folder named “StringManipulation”
    • Right-click project name in solution explorer;
    • add new folder;
    • name of folder could be: StringManipulation
  4. Add Web Form Named AscW to StringManipulation folder
    • Right-click StringManipulation folder;
    • add new item;
    • Select Web Form
    • Check place code behind in separate file
    • Web Form name could be AscW
  5. Click on Visual Basic in step 1 at the top of this page to copy code into code-behind AscW.aspx.vb
  6. Click on XML in step 2 above to copy code into web form AscW.aspx
  7. Right-click on AscW.aspx in solution explorer and select view in browser

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