How to Delete Data using VB.Net and MySQL Database

In this tutorial “How to Delete Data using VB.Net and MySQL Database”, I will teach you on how you can delete a selected row of data from DatagridView. This feature exists in all application running with a Database system. Please follow all the steps to complete this tutorial.

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.

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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.

Delete Data using VB.Net and MySQL Database Steps.

  1. Add a new button from your toolbox and rename it to “Delete”. The form should look like the image below.

2. Double click your new created button to generate the “button Click Event”.

[vbnet]Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click

End Sub[/vbnet]

3. Insert the following codes below in your “Button Click Event“.

[vbnet]Try
If (MsgBox(“Are you sure you want to delete the item?”, MsgBoxStyle.YesNo) = MsgBoxResult.Yes) Then
Str = “DELETE FROM tablename WHERE id=’1′”
conn.Open()
Dim mysc As New MySqlCommand(Str, conn)
mysc.ExecuteNonQuery()
MsgBox(“Data Deleted!”, MsgBoxStyle.Information)
conn.Close()
End If
Catch ex As Exception
MsgBox(ex.Message)
conn.Close()
End Try[/vbnet]

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