protected void BtnBuscar_Click(object sender, EventArgs e) { Controlador.ControladorTareas auxControladorTarea = new Controlador.ControladorTareas(); if (TXTBuscar.Text.Trim() == string.Empty) { TXTBuscar.BorderColor = System.Drawing.Color.Red; AlertaID.Visible = true; ListarTarea(); } else { if (auxControladorTarea.verificarTarea(Convert.ToInt32(TXTBuscar.Text))) { TXTBuscar.BorderColor = System.Drawing.Color.Green; AlertaIDNoExiste.Visible = false; DataTable dt = new DataTable(); dt = auxControladorTarea.BuscarTareaIDEmail((EmailTransferido.Text), Convert.ToInt32(TXTBuscar.Text)); GridTarea.DataSource = dt; GridTarea.DataBind(); AlertaID.Visible = false; } else { TXTBuscar.BorderColor = System.Drawing.Color.Red; AlertaIDNoExiste.Visible = true; } } }