How to Used a Module in AutoSuggest and AutoAppend in VB.Net

How to Used a Module in AutoSuggest and AutoAppend in VB.Net

This tutorial is all about How to Used a Module in AutoSuggest and AutoAppend in VB.Net and MySQL Database.

On my first tutorial, I teach you how to How to Create an AutoComplete in a TextBox in VB.Net.

Now, in this Tutorial I will teach you how to use Module in AutoAppend and Suggest in a TextBox in VB.Net and MySQL Database. With this, the record will suggest and append instantly in the Textbox.

What is Visual Basic’s purpose?

The third-generation programming language was created to aid developers in the creation of Windows applications. It has a programming environment that allows programmers to write code in.exe or executable files.

They can also utilize it to create in-house front-end solutions for interacting with huge databases. Because the language allows for continuing changes, you can keep coding and revising your work as needed.

However, there are some limits to the Microsoft Visual Basic download. If you want to make applications that take a long time to process, this software isn’t for you.

That implies you won’t be able to use VB to create games or large apps because the system’s graphic interface requires a lot of memory and space.

Furthermore, the language is limited to Microsoft and does not support other operating systems.

What are the most important characteristics of Visual Basic?

Microsoft Visual Basic for Applications Download, unlike other programming languages, allows for speedier app creation. It has string processing capabilities and is compatible with C++, MFC, and F#.

Multi-targeting and the Windows Presentation Framework are also supported by the system, allowing developers to create a variety of Windows apps, desktop tools, metro-style programs, and hardware drivers.

Let’s Begin:

Open the Visual Basic and Create a New Windows Form Application. After that, create a Module and name it “autoappend”.

Set up the connection from MySQL Database to Visual Basic and declare all the classes are needed.

[vbnet]
Public con As MySqlConnection = New MySqlConnection("server=localhost;user id=root;database=dbemployees")
Public cmd As New MySqlCommand
Public da As New MySqlDataAdapter
Public dt As New DataTable
[/vbnet]

2. After setting up the connection, create a method of AutoAppend and Autosuggest.

[vbnet]
'CREATE A SUB ROUTINE OF THE AUTO SUGGEST AND APPEND
Public Sub autocompletetxt(ByVal sql As String, ByVal txt As TextBox)
Try
dt = New DataTable
'OPENING THE CONNECTION
con.Open()
'HOLDS THE DATA TO BE EXECUTED
With cmd
.Connection = con
.CommandText = sql
End With
'FILLING THE DATA IN THE DATATABLE
da.SelectCommand = cmd
da.Fill(dt)
'SET A VARIABLE AS A ROW OF DATA IN THE DATATABLE
Dim r As DataRow
'CLEARING THE AUTOCOMPLETE SOURCE OF THE TEXTBOX
txt.AutoCompleteCustomSource.Clear()
'LOOPING THE ROW OF DATA IN THE DATATABLE
For Each r In dt.Rows
'ADDING THE DATA IN THE AUTO COMPLETE SOURCE OF THE TEXTBOX
txt.AutoCompleteCustomSource.Add(r.Item(0).ToString)
Next
''''''''''''''''''''''''
Catch ex As Exception
MsgBox(ex.Message)
End Try
'CLOSING THE CONNECTION
con.Close()
da.Dispose()
End Sub
[/vbnet]

Go back to the Form Design and set up the Form just like this.

4. Click the TextBox and go to the Properties. In the “Properties” hit the “AutoComplete Mode” and select “SuggestAppend”. After that, hit the “AutoComplete Source” and select “Costume Source”.

5. after setting up the properties of the TextBox, double click the Form and call the name of the method that you have created in the first load of the Form.

[vbnet]
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Dim sql As String
sql = "SELECT F_NAME FROM employees"
autocompletetxt(sql, TextBox1)
End Sub
[/vbnet]

The database of this project is in here

Finally, Press F5 on the keyboard of you computer to run your project.

Download the complete source code and run it on your computer.

DOWNLOAD HERE

Readers might read also:

• Simple Insert and Show Data from Database in PHP and MYSQL
• How to Save Multiple Data in VB.Net and MySQL Database
• How to Delete Data using VB.Net and MySQL Database

Technology stack and requirements

To run this VB.NET project, you need the following on your development machine:

• Visual Studio 2019 or later. The free Community Edition is enough for building, debugging, and running the project.
• .NET Framework 4.7.2 or higher. Most Windows 10 and 11 systems have it preinstalled through Windows Update.
• MySQL Server 8.0 or MSSQL Express 2019. Choose whichever your capstone panel prefers; both work with VB.NET data adapters.
• MySQL Connector/NET or SqlClient library. Add via NuGet Package Manager inside Visual Studio.
• Crystal Reports (optional). Required only if the project generates printable reports; install the runtime redistributable.

Installing the source code

The download link contains a ZIP archive with the full solution. Extract and set up in five steps:

1. Extract the archive to a folder outside Program Files (avoids permission issues).
2. Open the .sln file in Visual Studio. It loads the full solution with all forms and modules.
3. Restore NuGet packages. Right-click the solution then Restore NuGet Packages if prompted.
4. Import the database. Locate the .sql file in the archive and import via phpMyAdmin (MySQL) or SQL Server Management Studio.
5. Update the connection string in App.config or module code to match your local database name, user, and password.

How to use this project for your BSIT capstone

This VB.NET project maps cleanly to standard BSIT capstone documentation. Suggested chapter alignment:

• Chapter 1 (Introduction). Discuss the problem the system solves in real-world context. Cite Philippine business or academic use cases where a manual process could be replaced.
• Chapter 2 (Review of Related Literature). Compare this system’s features against 5-10 similar published projects. Cite journals like IJERT or IEEE Access for academic-standard sources.
• Chapter 3 (Methodology). Include Use Case Diagram, Data Flow Diagram, Entity Relationship Diagram, and Activity Diagram covering all major workflows in the system.
• Chapter 4 (Results and Discussion). Screenshot each module of the running system with a caption explaining what data it processes and which user role interacts with it.
• Chapter 5 (Conclusion and Recommendations). Identify features that could be added in a Version 2, such as web dashboard, mobile app, or REST API export.

Modules typical of How to Used a Module in AutoSuggest and AutoAppend

• Master data. CRUD forms for the primary entities the system manages, with search and filter.
• Transaction processing. Data entry forms for the day-to-day operations the system automates.
• Reports. Formatted printable output summarizing activity per day, per user, or per category.
• User management. Login with role-based permissions (Admin, Encoder, Viewer).
• Backup and restore. Export database to a .sql or .bak file and restore when needed.

Common enhancements for capstone review

• Modernize the UI. Add Bunifu or Guna UI controls for a more polished, modern appearance.
• Add printable receipts. Integrate a printer preview form with page-setup options.
• Multi-user concurrency. Ensure the database handles simultaneous writes without lost-update errors.
• Web version. Rewrite the front-end in ASP.NET Core or React for a modern deployment path.