RANCANG BANGUN SISTEM PEMESANAN TIKET KERETA API ONLINE BERBASIS WEB

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Friday, October 29, 2021

source code program sederhana php

Imports MySql.Data.MySqlClient
Public Class Login
    Dim cmd As New MySql.Data.MySqlClient.MySqlCommand
    Dim dt As DataTable
    Dim sql As String
    Sub bersih()
        TextBox1.Text = ""
        TextBox2.Text = ""
    End Sub
    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        Try
            Call konek()
            cmd.Connection = conn
            cmd.CommandType = CommandType.Text
            Dim MyAdapter As New MySqlDataAdapter
            Dim sqlquery = "SELECT u.nama, u.passwd " & _
            " FROM user as u" & _
            " WHERE " & _
            " nama = '" & TextBox1.Text & "' " & _
            " AND passwd = '" & TextBox2.Text & "' "
            cmd.Connection = conn
            cmd.CommandText = sqlquery
            MyAdapter.SelectCommand = cmd
            Dim MyData As MySqlDataReader
            MyData = cmd.ExecuteReader()
            conn.Close()
            If MyData.HasRows = 0 Then
                MsgBox("Mohon periksa nama dan password ANDA!", MsgBoxStyle.Exclamation, "Error Login")
            Else
                Loading.Show()
                Me.Hide()
            End If
        Catch ex As Exception
            MsgBox("Ada Kesalahan Login", MsgBoxStyle.MsgBoxRight, "Message")
            MsgBox("Error :" & ex.Message, MsgBoxStyle.Exclamation)
        End Try
        conn.Close()
    End Sub

    Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
        daftar.Show()
    End Sub

    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
        End
    End Sub

    Private Sub Login_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

    End Sub
End Class