apuntes aspnet.docx
TRANSCRIPT
Din Pais As New Dictionary(Of T String, String)
Pais.Add( ’ MX", "México")
Pais.AddCEU", "Estados Unidos")
Pais.AddCCN", -Canadá")
Console.WriteLine(Pais("MX*) )
<%
Dim Hora As Integer
Hora = hour(Now)
if Hora > 1 2 and Hora < 20 then
Response.Write("Buenas tardes")
else
if Hora > 20 then
Response.Write("Buenas noches")
else
Response.Write(“Buenos dias")
end if
end if
%>
c% Import Name~pace=~System.Data.SqlClient%~ >
< %Dim custDb As SqlConnectionDim cmdSelectCustomers As SqlCommand
Dim dtrcustomers As SqlDataReadercustDb = New SqlConnection("Server=localhost;uid=myID;pwd=m~assword;database=customer")
custDb . Open ( )
cmdSelectCustomers = New SqlCommand( I1Select custFirstName, custLastName FromcustContactM, custDb)
dtrcustomers = cmdSelectCustomers.ExecuteReader~)While dtrCustomers.Read0Response.Write(CStr(dtrCustomers.Item(“custFirtName”) ) & -CStr(dtrCustomers.Item("custLastName")))Response. Write ("<BR>I1)End Whiledtrcustomers. Close ( )custDb. Close ( )% >
Modificar
<% Import Name~pace=~~System.Data.SqlClien%t>~< %Dim custDb As SqlConnectionDim cmdSelectCustomers As SqlCommandDim dtrcustomers As SqlDataReadercustDb = New SqlConnection(~Server=localhost;uid=myID;pwd=m~assword;database=customer")custDb .Open ( )cmdSelectCustomers = New SqlCommand( "Select custFirstName, custLastName FromcustContactW, custDb)dtrcustorners = cmdSelectCustomers.ExecuteReader()If dtrCustomers.HasRows ThenWhile dtrCustomers.Read()Response.Write(CStr(dtrCustomers.1tem(~cstirstNae1& & -CStr(dtrCustomers.Item("custLa~tName~~)))Response .Write ("<BR>")End WhileElseResponse.Write("There are no customers.")End IfdtrCustomers.Close~)custDb. Close (1% >
Insertar
<%@ Import Namespa~e=~System.Data.SqlClient%~>< %Dim custDb As SqlConnectionDim cmdInsertCustomers As SqlCommandcustDb = New SqlConnection(~Server=localhost;uid=myID;pwd=masswordd;a tabase=customeru)cmdInsertCustomers = New SqlCommand("1nsert Into custcontact (custNumber, custFirstName,custLastName) Values ('0987', 'Mike1,l Jonesl)nc,u stDb)
custDb . Open ( )
cmd1nsertCustomers.ExecuteNonQuery~)custDb. Close ( )% >
Borrar
c%@ Import Namespa~e=~System.Dat%a~>c%@ Import Namespa~e=~System.Data.SqlClient%" ><Script Runat="ServerN>Sub Button-Click( S As Object, e As EventArgs )
Dim custDb As SqlConnectionDim cmdDeleteCustomers As SqlCommandcustDb = New SqlConnection(~Server=localhost;uid=myID;pwd=m~assword;database=customerM)cmdDeleteCustomers = New SqlCommand("De1ete custcontact Where custNumber =
@CustNumber1I, custDb)
cmdDeleteCustomers.Parameters.AddWithValue "@CustNumber", txtCustNumber.Text )custDb .Open ( )
cmdDe1eteCustomers.ExecuteNonQuery~)cus tDb . Close ( )
End Sub</Script><html><head><title>New Customer</title></head><body><form Runat="ServerM><b>Customer Number:</b><br><asp:TextBox ID="txtCustNumbern Runat="ServerU />
<P><asp:Button Text="Delete Customer" OnCli~k=~Button-ClickRnu nat="ServerM /><P>