Split() Example Syntax VB.NET ASP.NET | Split() | Source Code
Posted by asp.net videos on Saturday, March 5, 2011 · Leave a Comment
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Split Example Syntax VB.NET ASP.NET | Split | Source Code
Summary: – Illustrates using Split with Source Code Syntax Example in VB.NET ASP.NET.
*** 2. Split Syntax ***
Purpose:
Parses a string into a one-dimensional array of one or more
substrings. If the delimiter is not specified, space is used.
If the limit is not specified, all substrings are returned
Syntax:
Split(string[, delimiter][, limit])
| Parameters | Description |
|---|
string | Required – string input that you want to parse into
a one-dimensional array using a delimiter and a limit | | delimiter | Optional – string delimiter that specifies
what separates the fields contained within the input string. If
no delimiter is given, space is used. |
| limit | Optional – integer specifying maximum number of
fields to return to the one-dimensional array. If no limit is specified,
all substrings are returned. |
| Result Data Type | Description |
|---|
string() | Returns a one-dimensional string array that contains all
of the substrings that were returned from the input string. |
*** 3. Split – Quick Example *** |
|---|
Dim strField As String = "This"
TextBox1.Text = "[" + LTrim(strField) + Space(5) + "]" 'Returns [This ] with leading spaces removed
|
*** 4. Split – Full Example *** Split Example Output Screenshot
Step 1: Click on Visual Basic to Cut-n-paste code into Split.aspx.vb
| Imports System | Imports System.IO | Imports System.Data | | ' This example is from http://idealprogrammer.com | ' It shows how you can use Split syntax in VB.NET ASP.NET | '**************************************************************************************** | ' Purpose: Parses a string into a one-dimensional array of one or more | ' substrings. If the delimiter is not specified, space is used. | ' If the limit is not specified, all substrings are returned | ' | ' Syntax: Split(string[, delimiter][, limit]) | ' | ' Parameter1: string - Required - string input that you want to parse into | ' a one-dimensional array using a delimiter and a limit | ' | ' Parameter2: delimiter - Optional - string delimiter that specifies | ' what separates the fields contained within the input string. If | ' no delimiter is given, space is used. | ' | ' Parameter3: limit - Optional - integer specifying maximum number of | ' fields to return to the one-dimensional array. If no limit is specified, | ' all substrings are returned. | ' | ' Result: string() - Returns a one-dimensional string array that contains all | ' of the substrings that were returned from the input string. | ' | ' Quick Example: Dim strField As String = "This" | ' TextBox1.Text = "[" + LTrim(strField) + Space(5) + "]" 'Returns [This ] with leading spaces removed | ' | '**************************************************************************************** | | | Partial Class _Split | Inherits System.Web.UI.Page | | Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load | | Dim strField As String = "This is my string" | Dim aryStrings As Array | | 'split words into array | aryStrings = Microsoft.VisualBasic.Split(strField) | | Dim sb As New StringBuilder | | 'put words back together without spaces | For i = 0 To aryStrings.Length - 1 | sb.Append(aryStrings(i)) | Next | | TextBox1.Text = sb.ToString() 'Returns Thisismystring | | | | End Sub | End Class | |
Step 2: Click on XML to Cut-n-paste code into Split.aspx
| < %@ Page Language="VB" AutoEventWireup="false" CodeFile="Split.aspx.vb" Inherits="_Split" %> | | < !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 "StringManipulation"
- Right-click project name in solution explorer;
- add new folder;
- name of folder could be: StringManipulation
- Add Web Form Named Split 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 Split
- Click on Visual Basic in step 1 at the top of this page to copy code into code-behind Split.aspx.vb
- Click on XML in step 2 above to copy code into web form Split.aspx
- Right-click on Split.aspx in solution explorer and select view in browser
|
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