Truncate Example Syntax VB.NET ASP.NET | Truncate | Source Code
Truncate Example Syntax VB.NET ASP.NET | Truncate | Source Code
Summary: – Illustrates using Truncate with Source Code Syntax Example in VB.NET ASP.NET.
Purpose:
takes a decimal or double as input parameter1
and returns the number truncated without the
fractional decimals.
Syntax:
1. Truncate(decimal)
2. Truncate(double)
1. Truncate(decimal)
2. Truncate(double)
| Parameters | Description | Parameter1 |
|---|
| Result Data Type | Description | Result |
|---|
Step 1: Click on Visual Basic to Cut-n-paste code into Truncate.aspx.vb
Imports System Imports System.IO Imports System.Data Imports System.Math '******************************************************************************** ' Purpose: takes a decimal or double as input parameter1 ' and returns the number truncated without the ' fractional decimals. ' ' Syntax: 1. Truncate(decimal) ' 2. Truncate(double) Partial Class _Truncate 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: Truncate(decimal)" TextBox1.Text = String.Format("Truncate(3.5) = {0}", Truncate(3.5)) ' Returns 3 Label2.Text = "Example #2: Truncate(double)" Dim myDouble As Double = 6.5 TextBox2.Text = String.Format("Truncate(myDouble) = {0}", Truncate(myDouble)) ' Returns 6 Label3.Text = "Example #3: Truncate(decimal)" TextBox3.Text = String.Format("Truncate(0.9) = {0}", Truncate(0.9)) ' Returns 0 End Sub End Class |
Step 2: Click on XML to Cut-n-paste code into Truncate.aspx
< %@ Page Language="VB" AutoEventWireup="false" CodeFile="Truncate.aspx.vb" Inherits="_Truncate" %> < !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:
- Install Visual Web Developer 2010
- Install SQL Server Express
- Download Northwind and Pubs Databases
- Attach Northwind Database to Databases in Sql Express
- 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:
|
- Use Visual Web Developer 2010
- 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.
- Add New folder named “Functions”
- Right-click project name in solution explorer;
- add new folder;
- name of folder could be: Functions
- Add New subfolder named “MathFunctions”
- Right-click Functions folder in solution explorer;
- add new folder;
- name of folder could be: MathFunctions
- Add Web Form Named Truncate to MathFunctions folder
- Right-click MathFunctions folder;
- add new item;
- Select Web Form
- Check place code behind in separate file
- Web Form name could be Truncate
- Click on Visual Basic in step 1 at the top of this page to copy code into code-behind Truncate.aspx.vb
- Click on XML in step 2 above to copy code into web form Truncate.aspx
- Right-click on Truncate.aspx in solution explorer and select view in browser
