Imports MySql.Data.MySqlClient Imports System.Data Public Class Form1 'Private cmCustomers As CurrencyManager Dim cadena As String = "Server=instancia sql" Dim dAdap As New SqlClient.SqlDataAdapter("select * from proveedor", cadena) Dim con As New MySqlConnection() Dim da As New MySqlDataAdapter() Dim ds As New DataSet() Dim dr As DataRow Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load MySqlDataAdapter1.SelectCommand.CommandText = "select * from proveedor" MySqlConnection1.Open() MySqlDataAdapter1.Fill(DataSet1) MySqlConnection1.Close() Dim array For Each array In DataSet1.Tables(0).Rows TextBox6.Text = array("IDPROV").ToString TextBox1.Text = array("CODPROV").ToString TextBox2.Text = array("PROVEEDOR").ToString TextBox3.Text = array("DIRECCION").ToString TextBox4.Text = array("TELEFONO").ToString TextBox5.Text = array("CONTACTO").ToString Next End Sub Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click MySqlDataAdapter1.SelectCommand.CommandText = "select * from proveedor where IDPROV='" & TextBox6.Text & "'" MySqlConnection1.Open() Dim leer As MySql.Data.MySqlClient.MySqlDataReader leer = MySqlCommand1.ExecuteReader leer.Read() Try If TextBox6.Text = leer("IDPROV") Then TextBox1.Text = leer("CODPROV") TextBox2.Text = leer("PROVEEDOR") TextBox3.Text = leer("DIRECCION") TextBox4.Text = leer("TELEFONO") TextBox5.Text = leer("CONTACTO") End If Catch ex As Exception MsgBox("No existe", MsgBoxStyle.Information, "Confirmar") End Try MySqlConnection1.Close() End Sub Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click TextBox1.Text = "" TextBox2.Text = "" TextBox3.Text = "" TextBox4.Text = "" TextBox5.Text = "" TextBox6.Text = "" End Sub Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click Dim a, b, c, d, g, f a = TextBox6.Text b = TextBox1.Text c = TextBox2.Text d = TextBox3.Text g = TextBox4.Text f = TextBox5.Text MySqlConnection1.Open() MySqlDataAdapter1.SelectCommand.CommandText = "insert into proveedor values('" + a + "','" + b + "','" + c + "','" + d + "','" + g + "','" + f + "')" MySqlDataAdapter1.Fill(DataSet1) MySqlConnection1.Close() MsgBox("los registro han sido guardados") End Sub Private Sub Button4_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button4.Click Dim a, b, c, d, g, f a = TextBox6.Text b = TextBox1.Text c = TextBox2.Text d = TextBox3.Text g = TextBox4.Text f = TextBox5.Text MySqlDataAdapter1.SelectCommand.CommandText = "update proveedor set CODPROV='" + b + "',PROVEEDOR='" + c + "',DIRECCION='" + d + "',TELEFONO='" + g + "',CONTACTO='" + f + "' where IDPROV='" + a + "'" MySqlDataAdapter1.Fill(DataSet1) MsgBox("los registro han sido actualizados") End Sub Private Sub Button5_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button5.Click Dim el, a a = TextBox6.Text el = MsgBox("desea elimnar", MsgBoxStyle.Critical + MsgBoxStyle.OkCancel, "eliminar") If el = vbOK Then MySqlDataAdapter1.SelectCommand.CommandText = "delete from proveedor where IDPROV='" + a + "'" MySqlConnection1.Open() MySqlDataAdapter1.Fill(DataSet1) MySqlConnection1.Close() MsgBox("los registro han sido ELIMINADOS") End If End Sub End Class