private void CargaDatos()
        {
            var sorted = default(SortOrder);
            var xnomcolumna = string.Empty;
            if ((Examinar.SortedColumn != null))
            {
                xnomcolumna = Examinar.Columns[Examinar.SortedColumn.Index].Name;
                sorted = Examinar.SortOrder;
            }
            var BL = new tb_plla_retencionquintaBL();
            var BE = new tb_plla_retencionquinta();
            BE.perianio = spnperiodo.Value.ToString();
            Tabla = BL.GetAll_CONSULTA(VariablesPublicas.EmpresaID, BE).Tables[0];
            Examinar.AutoGenerateColumns = false;
            Examinar.DataSource = Tabla;

            VariablesPublicas.PintaEncabezados(Examinar);

            Examinar.Sort(Examinar.Columns["nombrelargo"], System.ComponentModel.ListSortDirection.Ascending);
        }
        private void save()
        {
            if (u_Validate())
            {
                if (Examinar.IsCurrentCellInEditMode)
                {
                    Examinar.CommitEdit(DataGridViewDataErrorContexts.Commit);
                }
                Tabla.AcceptChanges();
                for (lc_cont = 0; lc_cont <= Tabla.Rows.Count - 1; lc_cont++)
                {
                    Tabla.Rows[lc_cont]["perianio"] = spnperiodo.Value.ToString();
                }
                Tabla.AcceptChanges();

                var BL = new tb_plla_retencionquintaBL();
                var BE = new tb_plla_retencionquinta();
                BE.perianio = spnperiodo.Value.ToString();
                if (BL.Insert_Update(VariablesPublicas.EmpresaID, BE, Tabla))
                {
                    U_CancelarEdicion(0);
                }
                else
                {
                    Frm_Class.ShowError(BL.Sql_Error, this);
                }
            }
        }
        private void btnCalcular_Click(object sender, EventArgs e)
        {
            var xvmmes = string.Empty;
            if ((cbMes.SelectedValue != null))
            {
                xvmmes = cbMes.SelectedValue.ToString();
            }
            if (xvmmes.Trim().Length == 0)
            {
                MessageBox.Show("Seleccione mes", "Mensaje del Sistema");
                return;
            }

            if (MessageBox.Show("Desea recalcular Renta Quinta" + "\r" + "La información existente será eliminada...?", string.Empty, MessageBoxButtons.YesNo) == DialogResult.Yes)
            {
                var BL = new tb_plla_retencionquintaBL();
                var BE = new tb_plla_retencionquinta();
                BE.perianio = spnperiodo.Value.ToString();
                BE.perimes = xvmmes;
                BE.ntipo = 1;
                tmpcursor = BL.CalcularRta5ta(VariablesPublicas.EmpresaID, BE).Tables[0];
                if (BL.Sql_Error.Length > 0)
                {
                    Frm_Class.ShowError(BL.Sql_Error, this);
                    return;
                }
                else
                {
                    if (tmpcursor.Rows.Count > 0)
                    {
                        Tabla.AcceptChanges();
                        for (lc_cont = 0; lc_cont <= Tabla.Rows.Count - 1; lc_cont++)
                        {
                            Tabla.Rows[lc_cont].Delete();
                        }
                        for (lc_cont = 0; lc_cont <= tmpcursor.Rows.Count - 1; lc_cont++)
                        {
                            Tabla.ImportRow(tmpcursor.Rows[lc_cont]);
                        }
                        Tabla.AcceptChanges();
                    }
                }
            }
        }