diff --git a/App_Code/ClsInventarios.vb b/App_Code/ClsInventarios.vb
index 34e86a88a..cf04e3794 100644
--- a/App_Code/ClsInventarios.vb
+++ b/App_Code/ClsInventarios.vb
@@ -2258,6 +2258,25 @@ Public Class ClsInventarios
         Return Retorno
     End Function
 
+    Public Function GetExistenciasPSVenta(CveVenta As Integer, CveUsuario As Integer, CveEmpresa As Integer) As Boolean
+        Dim Retorno As Boolean = False
+        DataAdapter("PA_Inv_ExistenciasVentaGET")
+
+        With SqlAdapter.SelectCommand.Parameters
+            .Add("@CveVenta", SqlDbType.Int).Value = CveVenta
+            .Add("@CveUsuario", SqlDbType.Int).Value = CveUsuario
+            .Add("@CveEmpresa", SqlDbType.Int).Value = CveEmpresa
+        End With
+        Try
+            SqlAdapter.Fill(Data)
+            Retorno = True
+        Catch ex As Exception
+            OnError("Ocurrió un error al obtener las existencias de los almacenes.", ex, SqlAdapter.SelectCommand.Parameters.ParametrosInfo())
+        End Try
+
+        Return Retorno
+    End Function
+
     Public Function GetExistenciasProductosLike(PS As String, CveClasificacion As Integer, CveSubProyecto As Integer, Estatus As Integer, AplicaParaVenta As Integer, CveEmpresa As Integer, Optional CveMarca As Integer = -1, Optional MostrarTodosAlmacenes As Boolean = False, Optional CveAlmacen As Integer = -1) As Boolean
         Dim Retorno As Boolean = False
 
diff --git a/Ventas/Ventas.aspx b/Ventas/Ventas.aspx
index bd9fc4df3..57ee0c71f 100644
--- a/Ventas/Ventas.aspx
+++ b/Ventas/Ventas.aspx
@@ -411,6 +411,9 @@
                 <asp:LinkButton ID="LnkCalcularPromociones" runat="server" CausesValidation="False" Text="<i class='fa fa-tag'></i>  Aplicar promociones" OnClick="LnkCalcularPromociones_Click"
                     data-toggle="confirmation" data-popout="true" data-original-title="¿Aplicar Promociones?" data-btn-ok-label="si" />
             </li>
+            <li>
+                <asp:LinkButton ID="LbVerificarExistencia" Visible="false" runat="server"><i class='fa fa-list-alt'></i>Verificar Existencias</asp:LinkButton>
+            </li>
         </ContentTemplate>
         <Triggers>
             <asp:AsyncPostBackTrigger ControlID="LnkImprimir" EventName="Click" />
@@ -1982,7 +1985,7 @@
                                                             <asp:TemplateField>
                                                                 <HeaderTemplate>Producto</HeaderTemplate>
                                                                 <ItemTemplate>
-                                                                    <asp:Literal ID="LtlPS" runat="server" Text='<%# Eval("CodigoPS") %>'></asp:Literal>                                                                    
+                                                                    <asp:Literal ID="LtlPS" runat="server" Text='<%# Eval("CodigoPS") %>'></asp:Literal>
                                                                 </ItemTemplate>
                                                             </asp:TemplateField>
                                                             <asp:TemplateField HeaderText="Serie" Visible="false">
@@ -9281,6 +9284,29 @@
         </div>
     </div>
 
+    <div id="DivModalExistenciaTotal" class="modal ADS fade" role="dialog">
+        <div class="modal-dialog">
+            <div class="modal-content">
+                <div class="modal-header ">
+                    <button type="button" class="close" data-dismiss="modal">&times;</button>
+                    <h4 class="modal-title">Existencias</h4>
+                </div>
+
+                <div class="modal-body">
+                    <asp:UpdatePanel runat="server" ID="UPExist" UpdateMode="Conditional">
+                        <ContentTemplate>
+                            <asp:GridView ID="GvExist" runat="server" AutoGenerateColumns="true" GridLines="None" BorderWidth="0" CssClass="table table-striped table-hover  Widthall">
+                            </asp:GridView>
+                        </ContentTemplate>
+                    </asp:UpdatePanel>
+                </div>
+                <div class="modal-footer">
+                    <button type="button" class="btn btn-danger" data-dismiss="modal">Cancelar</button>
+                </div>
+            </div>
+        </div>
+    </div>
+
 
 </asp:Content>
 <asp:Content ID="Content7" ContentPlaceHolderID="JS" runat="Server">
diff --git a/Ventas/Ventas.aspx.vb b/Ventas/Ventas.aspx.vb
index 28d7aa598..c167ad3ec 100644
--- a/Ventas/Ventas.aspx.vb
+++ b/Ventas/Ventas.aspx.vb
@@ -5461,6 +5461,10 @@ Partial Class Ventas
                         UPCondicionesPago.Update()
                     End If
 
+                    If UsuarioActual.Empresa.Funcionalidad(382) = "1" AndAlso DbRowVenta("TipoDocto").ToString().Contiene("Cot", "Rem") Then
+                        LbVerificarExistencia.Visible = True
+                    End If
+
                     'ESCONDE ACCIONES
                     LnkRemisiones.Visible = False
                     LnkPedido2SinFacturar.Visible = False
@@ -40627,5 +40631,65 @@ Partial Class Ventas
         End If
 
     End Sub
+
+    Private Sub LbVerificarExistencia_Click(sender As Object, e As EventArgs) Handles LbVerificarExistencia.Click
+        'RegistraScript(String.Format("AbrirVentana('/Inventarios/PopUpExistenciasAlmacenDT.aspx?CveOrdenCompra={0}',800,547,'N');", CveOrdenCompra))
+        VerificarExistencias()
+    End Sub
+    Private Sub VerificarExistencias()
+        Dim objInv As New ClsInventarios
+        Dim tmpDTPS As DataTable = Nothing
+        If objInv.GetExistenciasPSVenta(CveVenta, UsuarioActual.CveUsuario, UsuarioActual.CveEmpresa) Then
+            tmpDTPS = objInv.DtResultados.Copy()
+        End If
+        objInv.Dispose()
+
+        If tmpDTPS IsNot Nothing Then
+
+            ' limpio los almacenes donde no tiene ningun producto existencia
+            For i As Integer = tmpDTPS.Columns.Count - 1 To 1 Step -1
+                If Not tmpDTPS.Columns(i).ColumnName.Contiene("Producto") AndAlso tmpDTPS.SUM(String.Format("[{0}]", tmpDTPS.Columns(i).ColumnName)) = 0 Then
+                    tmpDTPS.Columns.RemoveAt(i)
+                End If
+            Next
+
+            Dim DtExistencias = tmpDTPS.Clone()
+
+            For i As Integer = 0 To DtExistencias.Columns.Count - 1
+                If DtExistencias.Columns(i).DataType <> GetType(String) Then DtExistencias.Columns(i).DataType = GetType(String)
+            Next
+
+            For Each dr As DataRow In tmpDTPS.Rows
+                DtExistencias.ImportRow(dr)
+            Next
+
+            'FORMATEAR NUEVO DT
+            For j = 0 To DtExistencias.Rows.Count - 1
+                For i As Integer = DtExistencias.Columns.Count - 1 To 1 Step -1
+                    If Not DtExistencias.Columns(i).ColumnName.Contiene("Producto") Then
+                        If DtExistencias.Rows(j)(i).ToString().ToEntero() = 0 Then
+                            DtExistencias.Rows(j)(i) = "-"
+                        Else
+                            DtExistencias.Rows(j)(i) = DtExistencias.Rows(j)(i).ToString().Replace(".0000", "")
+                        End If
+                    End If
+                Next
+            Next
+
+            GvExist.DataSource = DtExistencias
+            GvExist.DataBind()
+
+            'GvExist.Columns(0).ItemStyle.Width = New Unit(200, UnitType.Pixel)
+            'ORDENA HACIA LA DERECHA LAS CANTIDAD - OJO!! NO SE USO GV.COLUMNS.COUNT PORQUE LAS COLUMNAS GENERADAS EN BEHIND NO LAS RECONOCE
+            For index As Integer = 1 To DtExistencias.Columns.Count - 1
+                For Each gvr As GridViewRow In GvExist.Rows
+                    gvr.Cells(index).HorizontalAlign = HorizontalAlign.Right
+                Next
+            Next
+        End If
+
+        RegistraScript("$('#DivModalExistenciaTotal').modal('show');")
+        UPExist.Update()
+    End Sub
 End Class