SqlDataReader simple (VB.NET)

' put a dataGridView1 control on your form
' and don't forget to insert your SQL Connection string and SQL query into the code

Imports System.Data
Imports System.Data.SqlClient

Public Class Form1

    Private Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase.Load
        ' Render data onto the screen
        DataGridView1.DataSource = FillData("<Your SQL Connection String here>", "<Your SQL Query here>")
    End Sub

    Private Function FillData(strConnection As String, SQLQuery As String) As DataTable
        Dim dt As New DataTable
        ' Open connection
        Using conn As SqlConnection = New SqlConnection(strConnection)
            conn.Open()
            Dim cmd = New SqlCommand(SQLQuery, conn)
            ' Create new DataAdapter
            Using reader As SqlDataReader = cmd.ExecuteReader()
                ' Use DataAdapter to fill DataTable
                Try
                    ' fill the DataTable
                    dt.Load(reader)
                Catch ex As Exception
                End Try
            End Using
        End Using
        ' return the DataTable
        Return dt
    End Function
End Class