public static object GetColumnValue(this IExcelContext ctx, string col, ColumnValueKind valueKind) => GetColumnValue(ctx, ExcelService.ColToInt(col), valueKind);
public static void ColumnValue(this IExcelContext ctx, string col, object value, ColumnValueKind valueKind) => ColumnValue(ctx, ExcelService.ColToInt(col), value, valueKind);