APLICACIONES WEB CON ADO.NET STORE PROCEDURES

Aplicación 1: Default.aspx

Procedimientos Almacenados:

CREATE PROC USPLISTADO_MESES @CAD VARCHAR(30)ASIF(@CAD='Par')BEGINSELECT DISTINCT DATENAME(MONTH,FECHAPEDIDO) AS MES FROM PEDIDOS WHERE MONTH(FECHAPEDIDO)%2=0ENDELSE IF(@CAD='Impar')BEGINSELECT DISTINCT DATENAME(MONTH,FECHAPEDIDO) AS MES FROM PEDIDOS WHERE MONTH(FECHAPEDIDO)%2=1ENDELSE IF(@CAD='Todos')BEGINSELECT DISTINCT DATENAME(MONTH,FECHAPEDIDO) AS MES FROM PEDIDOS END

ASPxListBox1

GridView1

RadioButton1

ASPxRoundPanel1

Label1

GO

CREATE PROC USP_LISTADO_PEDIDOS@MES VARCHAR(30)ASSELECT C.IDCLIENTE,NOMBRECOMPAÑIA,COUNT(P.IDPEDIDO) AS[CANTIDAD PEDIDOS],SUM(PRECIOUNIDAD*CANTIDAD) AS TOTALFROM CLIENTES C,PEDIDOS P,[DETALLES DE PEDIDOS]ODWHERE C.IDCLIENTE=P.IDCLIENTE AND OD.IDPEDIDO=P.IDPEDIDOAND DATENAME(MONTH,FECHAPEDIDO) =@MESGROUP BY C.IDCLIENTE,NOMBRECOMPAÑIAGO

Cadena de Conexión: Crear esta cadena en el Archivo Web.Config.

<connectionStrings> <add name="cn" connectionString="Server=(local);Integrated Security=SSPI;Database=Neptuno"/>

</connectionStrings

Codigo Fuente:

Imports System.DataImports System.Data.SqlClientImports System.Configuration

Partial Class _Default Inherits System.Web.UI.Page Dim cN As New SqlConnection(ConfigurationManager.ConnectionStrings("cn").ConnectionString)

Protected Sub RbaPar_CheckedChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles RbaPar.CheckedChanged Dim cmd As New SqlCommand("USPLISTADO_MESES", cN) cmd.CommandType = CommandType.StoredProcedure cmd.Parameters.Add("@CAD", SqlDbType.VarChar, 30).Value = RbaPar.Text Dim da As New SqlDataAdapter(cmd) Dim tbl As New DataTable da.Fill(tbl) Me.Lstmeses.Items.Clear() For i As Integer = 0 To tbl.Rows.Count - 1 'Llenando al ASPxListBox1 Me.Lstmeses.Items.Add(tbl.Rows(i)(0)) Next End Sub

Protected Sub RbaImpar_CheckedChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles RbaImpar.CheckedChanged Dim cmd As New SqlCommand("USPLISTADO_MESES", cN) cmd.CommandType = CommandType.StoredProcedure cmd.Parameters.Add("@CAD", SqlDbType.VarChar, 30).Value = RbaImpar.Text Dim da As New SqlDataAdapter(cmd) Dim tbl As New DataTable da.Fill(tbl) Me.Lstmeses.Items.Clear() For i As Integer = 0 To tbl.Rows.Count - 1 'Llenando al ASPxListBox1 Me.Lstmeses.Items.Add(tbl.Rows(i)(0)) Next End Sub

Protected Sub RbaTodos_CheckedChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles RbaTodos.CheckedChanged Dim cmd As New SqlCommand("USPLISTADO_MESES", cN) cmd.CommandType = CommandType.StoredProcedure cmd.Parameters.Add("@CAD", SqlDbType.VarChar, 30).Value = RbaTodos.Text Dim da As New SqlDataAdapter(cmd) Dim tbl As New DataTable da.Fill(tbl) Me.Lstmeses.Items.Clear() For i As Integer = 0 To tbl.Rows.Count - 1 'Llenando al ASPxListBox1 Me.Lstmeses.Items.Add(tbl.Rows(i)(0)) Next End Sub

Protected Sub Lstmeses_SelectedIndexChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles Lstmeses.SelectedIndexChanged Dim cmd As New SqlCommand("USP_LISTADO_PEDIDOS", cN) cmd.CommandType = CommandType.StoredProcedure cmd.Parameters.Add("@MES", SqlDbType.VarChar, 30).Value = Lstmeses.Value 'Recuperando el mes seleccionado Dim da As New SqlDataAdapter(cmd) Dim tbl As New DataTable da.Fill(tbl) GridView1.DataSource = tbl 'creamos una variable session Session("pag") = tbl GridView1.DataBind() 'estamos contando todos los registros lblcantidad.Text = tbl.Rows.Count End Sub

Protected Sub GridView1_PageIndexChanging(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.GridViewPageEventArgs) Handles GridView1.PageIndexChanging GridView1.PageIndex = e.NewPageIndex GridView1.DataSource = Session("pag") GridView1.DataBind() End SubEnd Class

Aplicación 2: Default2.aspx Datalist1

Image1

LinkButton1

Label1

RepeatColumns: 3 RepeatDirection: Horizontal

Procedimientos Almacenados:

CREATE PROC USP_LISTADO_PRODUCTOSASSELECT * FROM ARTICULOSGO

CREATE PROC USP_LISTADO_CABE_PRODUCTO@ART_COD CHAR(5)ASSELECT art_cod,art_nom,art_pre FROM ARTICULOSWHERE art_cod=@ART_CODGO

CREATE PROC USP_LISTADO_PEDIDOS @ART_COD CHAR(5)ASSELECT fac_num,A.art_pre,art_can,(A.art_pre*art_can)AS TOTAL FROM Fac_deta F,ARTICULOS AWHERE F.art_cod=A.art_cod AND F.art_cod=@ART_CODORDER BY TOTAL DESCGO

Cadena de Conexión: Crear esta cadena en el Archivo Web.Config.

<connectionStrings> <add name="cn" connectionString="Server=(local);Integrated Security=SSPI;Database=Neptuno"/>

</connectionStrings

Codigo Fuente:

Imports System.DataImports System.Data.SqlClient

Partial Class Default2 Inherits System.Web.UI.Page Dim cn As New SqlConnection(ConfigurationManager.ConnectionStrings("cn").ConnectionString) Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load If Not Page.IsPostBack Then Dim da As New SqlDataAdapter("USP_LISTADO_PRODUCTOS", cn) Dim tbl As New DataTable da.Fill(tbl) DataList1.DataSource = tbl DataList1.DataBind() End If End Sub

Protected Sub DataList1_ItemCreated(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.DataListItemEventArgs) Handles DataList1.ItemCreated For i As Integer = 0 To DataList1.Items.Count - 1 Dim bt As LinkButton = CType(Me.DataList1.Items(i).FindControl("LinkButton1"), LinkButton) Dim cod As String = CType(DataList1.Items(i).FindControl("Label4"), Label).Text bt.Attributes.Add("Onclick", "window.open('Default3.aspx?cod=" & cod & "')") Next End SubEnd Class

Aplicación 2: Default3.aspx

Gridview1

Image1Label1

LinkButton1

ASPxRoundPanel1

ASPxRoundPanel2

Codigo Fuente:

Imports System.DataImports System.Data.SqlClientPartial Class Default3

Inherits System.Web.UI.Page Dim cn As New SqlConnection(ConfigurationManager.ConnectionStrings("cn").ConnectionString) Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load If Not Page.IsPostBack Then Dim cod As String = Request.QueryString("cod") 'Preguntando si el codigo esta vacio If (cod = "") Then Me.Response.Write("<a href='Default2.aspx'>Regresar Pagina Principal</a>") Else lblmensaje.Visible = False Dim cmd As New SqlCommand("USP_LISTADO_CABE_PRODUCTO", cn) cmd.CommandType = CommandType.StoredProcedure cmd.Parameters.Add("@ART_COD", SqlDbType.Char, 5).Value = cod Dim da As New SqlDataAdapter(cmd) Dim tbl As New DataTable da.Fill(tbl) lblproducto.Text = tbl.Rows(0)(1) lblprecio.Text = tbl.Rows(0)(2) Image1.ImageUrl = ".\Productos\" & tbl.Rows(0)(1) & ".jpg" 'AHORA MOSTRANDO EL DETALLE VENDIDO Dim cmd1 As New SqlCommand("USP_LISTADO_PEDIDOS", cn) cmd1.CommandType = CommandType.StoredProcedure cmd1.Parameters.Add("@ART_COD", SqlDbType.Char, 5).Value = cod Dim da1 As New SqlDataAdapter(cmd1) Dim tbl1 As New DataTable da1.Fill(tbl1)

If (tbl1.Rows.Count > 0) Then GridView1.DataSource = tbl1 GridView1.DataBind() Else lblmensaje.Visible = True lblmensaje.Text = "No hay Facturas Vendidas" End If End If End If End Sub

Protected Sub btncancelar_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btncancelar.Click btncancelar.Attributes.Add("Onclick", "window.close()") End Sub

End Class

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