Imports System.Data.SqlClient
Public Class Form1
    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        Dim connetionString As String
        Dim connection As SqlConnection
        Dim command As SqlCommand
        Dim adapter As New SqlDataAdapter
        Dim ds As New DataSet
        Dim dt As DataTable
        Dim column As DataColumn
        Dim sql As String

		connetionString = "Data Source=ServerName;Initial Catalog=DatabaseName;User ID=UserName;Password=Password"
		sql = "Your SQL Statement Here"
        connection = New SqlConnection(connetionString)

        Try
            connection.Open()
            command = New SqlCommand(sql, connection)
            adapter.SelectCommand = command
            adapter.Fill(ds, "SQL Temp Table")
            adapter.Dispose()
            command.Dispose()
            connection.Close()

            dt = ds.Tables(0)
            For Each column In dt.Columns
                MsgBox(column.ColumnName)
            Next

        Catch ex As Exception
            MsgBox("Can not open connection ! ")
        End Try
    End Sub
End Class